英语词汇“lateral abscess”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	lateral abscess
释义	DictionarySeelateralEncyclopediaSeeabscessMedicalSeeANTECUBITAL ABSCESS: Antecubital abscess opened to allow drainage of infectionA localized collection of pus in any body part, resulting from invasion of a pyogenic bacterium or other pathogen. Staphylococcus aureus, e.g., methicillin-resistant S. aureus (MRSA), is a common cause. The abscess is surrounded by a membrane of variable strength created by macrophages, fibrin, and granulation tissue. Abscesses can disrupt function in adjacent tissues and can be life threatening in some circumstances, e.g., in the lung or within the peritoneal cavity. illustration; inflammation; pus; suppuration; ACUTE ABSCESS acute abscess An abscess associated with significant inflammation, producing intense heat, redness, swelling, and throbbing pain. The tissue over the abscess becomes elevated, soft, and eventually unstable (fluctuant) and discolored as the abscess comes to a head (points). An abscess can rupture spontaneously or be drained via an incision. If it is left untreated, the pathogens may spread to adjacent tissues or to other parts of the body via the bloodstream. Appearance of or increase in fever may indicate sepsis. illustration alveolar abscess An abscess around the root of a tooth in the alveolar cavity. It is usually the result of necrosis and infection of dental pulp following dental caries. See: periapical abscess amebic abscess An abscess caused by Entamoeba histolytica. Synonym: endamebic abscess anorectal abscess An abscess in the ischiorectal fossa. It may occur in patients with Crohn disease, diabetes mellitus, or anal fissures more often than in other patients. Incision, drainage, and antibiotics usually provide effective treatment. Synonym: rectal abscess; Synonym: ischiorectal abscess apical abscess 1. An abscess at the apex of a lung.2. Periapical abscess. appendicular abscess An abscess around an inflamed or ruptured vermiform appendix. axillary abscess An abscess or multiple abscesses in the axilla, e.g., in patients with hidradenitis suppurativa. Bartholin abscess See: Bartholin, Caspar (the younger) bicameral abscess An abscess with two pockets. bile duct abscess An abscess of the bile duct. Synonym: cholangitic abscess biliary abscess An abscess of the gallbladder. It is an infrequent complication of cholangitis or obstruction of the bile duct. bone abscess Brodie abscess. brain abscess An intracranial abscess involving the brain or its membranes. It is seldom primary but usually occurs secondary to infections of the middle ear, nasal sinuses, face, or skull or from contamination from penetrating wounds or skull fractures. It may also have a metastatic origin arising from septic foci in the lungs (bronchiectasis, empyema, lung abscess), in bone (osteomyelitis), or in the heart (endocarditis). Infection of nerve tissue by the invading organism results in necrosis and liquefaction of the tissue, with edema of surrounding tissues. Brain abscesses may be acute, subacute, or chronic. Their clinical manifestations depend on the part of the brain involved, the size of the abscess, the virulence of the infecting organism, and other factors. Synonym: cerebral abscess; intracranial abscess Symptoms Symptoms may include headache, fever, vomiting, malaise, irritability, seizures, or paralysis. Treatment The usual treatment is chemotherapy. Surgical drainage may be required. breast abscess Mammary abscess. Brodie abscess See: Brodie, Sir Benjamin Collins bursal abscess An abscess in a bursa. canalicular abscess A breast abscess that discharges into the milk ducts. caseous abscess An abscess in which the pus has a cheesy appearance. cerebral abscess Brain abscess. cholangitic abscess Biliary abscess. chronic abscess An abscess with pus but without signs of inflammation. It usually develops slowly as a result of liquefaction of tuberculous tissue. It may occur anywhere in or on the body but more frequently in the spine, hips, genitourinary tract, and lymph glands. Symptoms may be very mild. Pain, when present, is caused by pressure on surrounding parts; tenderness is often absent. Chronic septic changes accompanied by afternoon fever may occur. Amyloid disease may develop if the abscess persists for a prolonged period. Synonym: cold abscess circumtonsillar abscess Peritonsillar abscess. cold abscess Chronic abscess. collar-button abscesses Two pus-containing cavities, one larger than the other, connected by a narrow channel. dental abscess An acute inflammatory infection within the maxilla or mandible. See: periapical abscess; periodontal abscess dentoalveolar abscess Periapical abscess. diffuse abscess An abscess not circumscribed by a well-defined capsule. dry abscess An abscess that disappears without pointing or breaking. embolic abscess Metastatic abscess. emphysematous abscess An abscess containing air or gas, produced by organisms such as Clostridium perfringens. Synonym: gas abscess; tympanitic abscess endamebic abscess Amebic abscess. epidural abscess Extradural abscess. extradural abscess An abscess on the dura mater, an occasional cause of back pain in febrile patients, usually in those who inject drugs. Synonym: epidural abscess fecal abscess An abscess containing both pus and stool. Synonym: stercoraceous abscess; stercoral abscess filarial abscess An abscess caused by parasitic infection with microfilariae. follicular abscess An abscess in a follicle. fungal abscess An abscess caused by a fungus, e.g., mycetoma. Synonym: mycotic abscess gas abscess Emphysematous abscess. gingival abscess An abscess of the gum. helminthic abscess Worm abscess. hemorrhagic abscess An abscess containing blood. hepatic abscess Liver abscess. hot abscess Acute abscess. hypostatic abscess Metastatic abscess. idiopathic abscess An abscess of unknown cause. iliac abscess An abscess in the iliac region. iliopsoas abscess An abscess in the psoas and iliacus muscles. It typically results from a local or regional spread of an intestinal or renal abscess or from a blood-borne infection, e.g., after a drug injection. Synonym: psoas abscess intracranial abscess Brain abscess. intradural abscess An abscess within the layers of the dura mater. intraperitoneal abscess Peritoneal abscess. ischiorectal abscess Anorectal abscess. kidney abscess An abscess in the kidney, typically following pyelonephritis or a blood-borne infection. The most common causative organisms are gram-negative bacteria from the lower urinary tract that spread to the kidneys and Staphylococcus aureus from a blood-borne infection. Immunocompromised patients may develop abscesses caused by Nocardia, Candida, or Aspergillus. Occasionally, Mycobacterium tuberculosis and Echinococcus are responsible agents. Synonym: renal abscess Treatment Antimicrobial agents are used in combination with surgical drainage. Occasionally, nephrectomy or retroperitoneal exploration is required. lacrimal abscess An abscess in a lacrimal gland or in a lacrimal duct. lateral alveolar abscess An abscess in periodontal tissue. liver abscess , abscess of the liverAn abscess in the liver caused by pathogenic organisms such as those of species of Bacteroides, Streptococcus, Staphylococcus, or Entamoeba histolytica. Symptoms The patient will have high fevers; sweats and chills; and an enlarged, painful, tender liver. Pus may be obtained by aspiration. Prognosis Embolic (multiple) abscesses are generally fatal. Liver abscesses may heal after they have been evacuated and treated with antibiotics. See: hepatic abscess lumbar abscess An abscess in the lumbar region. lung abscess An abscess in lung tissue, caused by anaerobic bacteria such as Staphylococcus aureus or Nocardia species. lymphatic abscess An abscess of a lymph node. mammary abscess An abscess in the female breast, esp. one involving the glandular tissue. It usually occurs during lactation or weaning. Synonym: breast abscess mastoid abscess An abscess of the mastoid portion of the temporal bone. metastatic abscess A secondary abscess at a distance from the focus of infection. Synonym: embolic abscess; hypostatic abscess; wandering abscess miliary abscesses Multiple small embolic abscesses. milk abscess A mammary abscess during lactation. mycotic abscess Fungal abscess. nocardial abscess An abscess caused by Nocardia, e.g., in the lung). orbital abscess An abscess in the orbit of the eye. palatal abscess An abscess in a maxillary tooth, erupting toward the palate. palmar abscess An abscess in the tissues of the palm of the hand. pancreatic abscess An abscess of pancreatic tissue, usually as a complication of acute pancreatitis or abdominal surgery. parafrenal abscess An abscess on the side of the frenulum of the penis. parametric abscess An abscess between the folds of the broad ligaments of the uterus. paranephric abscess An abscess in the tissues around the kidney. Synonym: perinephric abscess parapancreatic abscess An abscess in the tissues adjacent to the pancreas. Synonym: peripancreatic abscess parietal abscess A periodontal abscess arising in the periodontal tissue other than the orifice through which the vascular supply enters the dental pulp. parotid abscess An abscess of the parotid gland. pelvic abscess An abscess of the pelvic peritoneum, esp. in the pouch of Douglas. It may arise as a complication of a sexually transmitted disease or diverticulitis. perianal abscess An abscess of the skin around the anus. It usually results from obstruction of intestinal crypts and subsequent fistula formation in the skin. Synonym: periproctic abscess periapical abscess An abscess at the apex of a tooth, usually resulting from dental caries or tooth trauma. It may be classified further as an acute periapical abscess, a chronic periapical abscess, a periapical granuloma, or a radicular cyst. Synonym: apical abscess (2); dentoalveolar abscess pericemental abscess An alveolar abscess not involving the apex of a tooth. pericoronal abscess Pericoronitis. peridental abscess An abscess of periodontal tissue. perinephric abscess Paranephric abscess. periodontal abscess An acute or chronic abscess found in the gingiva, periodontal pockets, or periodontal ligament. peripancreatic abscess Parapancreatic abscess. peripleuritic abscess An abscess in the tissue surrounding the parietal pleura. periproctic abscess Perianal abscess. peritoneal abscess An abscess within the peritoneal cavity usually following peritonitis. It is usually caused by enteric bacteria, e.g., Escherichia coli, enterococci, or Klebsiella. Synonym: intraperitoneal abscess peritonsillar abscess An abscess of the tissue around the tonsillar capsule. Needle aspiration of the abscess, with subsequent antibiotic therapy, is an effective treatment in 90% of cases. Synonym: circumtonsillar abscess periureteral abscess An abscess in the tissue around a ureter. periurethral abscess An abscess in tissue surrounding the urethra. perivesical abscess An abscess in tissue around the urinary bladder. pneumococcic abscess An abscess due to infection with pneumococci. prelacrimal abscess An abscess of the lacrimal sac, producing an inflamed, tender swelling at the inner canthus of the eye. premammary abscess A subcutaneous or subareolar abscess of the mammary gland. prostatic abscess An abscess within the prostate gland. protozoal abscess An abscess caused by a protozoon. psoas abscess Iliopsoas abscess. pulp abscess 1. An abscess in the pulp chamber of a tooth.2. An abscess of the tissues of the pulp of a finger. pyemic abscess A metastatic abscess, usually multiple, due to pyogenic organisms. rectal abscess Anorectal abscess. renal abscess Kidney abscess. retrocecal abscess An abscess located behind the cecum. It is an occasional, severe complication of a ruptured appendix or Crohn disease. retromammary abscess An abscess between the mammary gland and the chest wall. retroperitoneal abscess An abscess located between the peritoneum and the posterior abdominal wall. It may arise from an abscess in the kidney or from the spread of an intraperitoneal infection posteriorly. retropharyngeal abscess An abscess of the lymph nodes in the walls of the pharynx. It sometimes simulates diphtheritic pharyngitis. Etiology Staphylococcus aureus and group A hemolytic streptococcus are the most common pathogens. Symptoms Typically, a history of pharyngitis is elicited. This is followed by high fever, dysphagia, and refusal to eat. The condition progresses to respiratory distress with hyperextension of the head (“sniffing position”), tachypnea, labored breathing, and drooling. An exquisitely tender bulge in the pharyngeal wall is usually evident. Treatment A retropharyngeal abscess, if fluctuant, should be treated with incision and drainage. If recognized before becoming fluctuant, the abscess should be treated with antibiotics, intravenously administered if the patient is unable to swallow. retrovesical abscess An abscess behind the bladder. root abscess A colloquial and veterinary term for periapical abscess. runaround abscess A colloquial term for a bacterial infection that surrounds a fingernail; a paronychia. sacrococcygeal abscess An abscess over the sacrum and coccyx. septicemic abscess An abscess resulting from septicemia. spermatic abscess An abscess of the seminiferous tubules. spinal abscess An abscess due to necrosis of a vertebra. splenic abscess An abscess of the spleen. It may arise either from the spread of infection from a neighboring organ (that is, a diverticular abscess or a ruptured gastric ulcer) or from hematogenous spread in patients with infective endocarditis. stercoraceous abscess Fecal abscess stercoral abscess Fecal abscess. sterile abscess An abscess from which microorganisms cannot be cultivated, an occasional complication of intramuscular injection. stitch abscess An abscess formed about a stitch or suture. streptococcal abscess An abscess caused by streptococci. subaponeurotic abscess An abscess beneath an aponeurosis or fascia. subarachnoid abscess An abscess of the midlayer of the covering of the brain and spinal cord. subareolar abscess An abscess underneath the areola of the mammary gland, sometimes draining through the nipple. subdiaphragmatic abscess An abscess beneath the diaphragm, e.g., an hepatic, splenic, or interperitoneal abscess. Synonym: subphrenic abscess subdural abscess An abscess beneath the dura of the brain or spinal cord. subfascial abscess An abscess beneath the fascia. subgaleal abscess An abscess beneath the galea aponeuroticai (the epicranial aponeurosis). subpectoral abscess An abscess beneath the pectoral muscles. subperiosteal abscess A bone abscess below the periosteum. subperitoneal abscess An abscess between the parietal peritoneum and the abdominal wall. subphrenic abscess Subdiaphragmatic abscess. subscapular abscess An abscess between the serratus anterior and the posterior thoracic wall. subungual abscess An abscess beneath the fingernail. It may follow injury from a pin, needle, or splinter. sudoriparous abscess An abscess of a sweat gland. suprahepatic abscess An abscess in the suspensory ligament between the liver and the diaphragm. syphilitic abscess An abscess occurring in the tertiary stage of syphilis, esp. in bone. thecal abscess A spinal epidural abscess. thymus abscess An abscess of the thymus. tonsillar abscess Acute suppurative tonsillitis. tooth abscess Alveolar abscess. tropical abscess An amebic abscess of the liver. tuberculous abscess Chronic abscess. tubo-ovarian abscess An abscess involving both the fallopian tube and the ovary. It is typically transmitted sexually. tympanitic abscess Emphysematous abscess. tympanocervical abscess An abscess arising in the tympanum and extending to the neck. tympanomastoid abscess An abscess of both the tympanum and the mastoid. urethral abscess An abscess in the urethra. urinary abscess An abscess caused by escape of urine into the tissues. urinous abscess An abscess that contains pus and urine. verminous abscess Worm abscess. wandering abscess Metastatic abscess. warm abscess Acute abscess. worm abscess An abscess caused by or containing insect larvae, worms, or other animal parasites. Synonym: helminthic abscess; verminous abscessillustration abscess A cavity full of PUS surrounded by inflamed or dying tissue, or by dense fibrous tissue which cuts off the blood supply to the centre. Abscesses are nearly always caused by INFECTION and the organisms concerned often persist within them. Some, however, become sterile. They can seldom be effectively treated with antibiotics and must be opened and the contents drained surgically for proper resolution. See also ANTIBIOMA. abscess a collection of PUS surrounded by an inflamed area in any tissue or organ of an animal. abscess An accumulation of pus located in infected tissue. ab·scess (ab'ses) 1. Circumscribed collection of purulent exudate. 2. Cavity formed by liquefactive necrosis within solid tissue.[L. abscessus, a going away] ">abscess infection" href="javascript:eml2('davisTab', 'a05.jpg')">ANTECUBITAL ABSCESS: Antecubital abscess opened to allow drainage of infectionA localized collection of pus in any body part, resulting from invasion of a pyogenic bacterium or other pathogen. Staphylococcus aureus, e.g., methicillin-resistant S. aureus (MRSA), is a common cause. The abscess is surrounded by a membrane of variable strength created by macrophages, fibrin, and granulation tissue. Abscesses can disrupt function in adjacent tissues and can be life threatening in some circumstances, e.g., in the lung or within the peritoneal cavity. illustration; inflammation; pus; suppuration; ACUTE ABSCESS acute abscess An abscess associated with significant inflammation, producing intense heat, redness, swelling, and throbbing pain. The tissue over the abscess becomes elevated, soft, and eventually unstable (fluctuant) and discolored as the abscess comes to a head (points). An abscess can rupture spontaneously or be drained via an incision. If it is left untreated, the pathogens may spread to adjacent tissues or to other parts of the body via the bloodstream. Appearance of or increase in fever may indicate sepsis. illustration alveolar abscess An abscess around the root of a tooth in the alveolar cavity. It is usually the result of necrosis and infection of dental pulp following dental caries. See: periapical abscess amebic abscess An abscess caused by Entamoeba histolytica. Synonym: endamebic abscess anorectal abscess An abscess in the ischiorectal fossa. It may occur in patients with Crohn disease, diabetes mellitus, or anal fissures more often than in other patients. Incision, drainage, and antibiotics usually provide effective treatment. Synonym: rectal abscess; Synonym: ischiorectal abscess apical abscess 1. An abscess at the apex of a lung.2. Periapical abscess. appendicular abscess An abscess around an inflamed or ruptured vermiform appendix. axillary abscess An abscess or multiple abscesses in the axilla, e.g., in patients with hidradenitis suppurativa. Bartholin abscess See: Bartholin, Caspar (the younger) bicameral abscess An abscess with two pockets. bile duct abscess An abscess of the bile duct. Synonym: cholangitic abscess biliary abscess An abscess of the gallbladder. It is an infrequent complication of cholangitis or obstruction of the bile duct. bone abscess Brodie abscess. brain abscess An intracranial abscess involving the brain or its membranes. It is seldom primary but usually occurs secondary to infections of the middle ear, nasal sinuses, face, or skull or from contamination from penetrating wounds or skull fractures. It may also have a metastatic origin arising from septic foci in the lungs (bronchiectasis, empyema, lung abscess), in bone (osteomyelitis), or in the heart (endocarditis). Infection of nerve tissue by the invading organism results in necrosis and liquefaction of the tissue, with edema of surrounding tissues. Brain abscesses may be acute, subacute, or chronic. Their clinical manifestations depend on the part of the brain involved, the size of the abscess, the virulence of the infecting organism, and other factors. Synonym: cerebral abscess; intracranial abscess Symptoms Symptoms may include headache, fever, vomiting, malaise, irritability, seizures, or paralysis. Treatment The usual treatment is chemotherapy. Surgical drainage may be required. breast abscess Mammary abscess. Brodie abscess See: Brodie, Sir Benjamin Collins bursal abscess An abscess in a bursa. canalicular abscess A breast abscess that discharges into the milk ducts. caseous abscess An abscess in which the pus has a cheesy appearance. cerebral abscess Brain abscess. cholangitic abscess Biliary abscess. chronic abscess An abscess with pus but without signs of inflammation. It usually develops slowly as a result of liquefaction of tuberculous tissue. It may occur anywhere in or on the body but more frequently in the spine, hips, genitourinary tract, and lymph glands. Symptoms may be very mild. Pain, when present, is caused by pressure on surrounding parts; tenderness is often absent. Chronic septic changes accompanied by afternoon fever may occur. Amyloid disease may develop if the abscess persists for a prolonged period. Synonym: cold abscess circumtonsillar abscess Peritonsillar abscess. cold abscess Chronic abscess. collar-button abscesses Two pus-containing cavities, one larger than the other, connected by a narrow channel. dental abscess An acute inflammatory infection within the maxilla or mandible. See: periapical abscess; periodontal abscess dentoalveolar abscess Periapical abscess. diffuse abscess An abscess not circumscribed by a well-defined capsule. dry abscess An abscess that disappears without pointing or breaking. embolic abscess Metastatic abscess. emphysematous abscess An abscess containing air or gas, produced by organisms such as Clostridium perfringens. Synonym: gas abscess; tympanitic abscess endamebic abscess Amebic abscess. epidural abscess Extradural abscess. extradural abscess An abscess on the dura mater, an occasional cause of back pain in febrile patients, usually in those who inject drugs. Synonym: epidural abscess fecal abscess An abscess containing both pus and stool. Synonym: stercoraceous abscess; stercoral abscess filarial abscess An abscess caused by parasitic infection with microfilariae. follicular abscess An abscess in a follicle. fungal abscess An abscess caused by a fungus, e.g., mycetoma. Synonym: mycotic abscess gas abscess Emphysematous abscess. gingival abscess An abscess of the gum. helminthic abscess Worm abscess. hemorrhagic abscess An abscess containing blood. hepatic abscess Liver abscess. hot abscess Acute abscess. hypostatic abscess Metastatic abscess. idiopathic abscess An abscess of unknown cause. iliac abscess An abscess in the iliac region. iliopsoas abscess An abscess in the psoas and iliacus muscles. It typically results from a local or regional spread of an intestinal or renal abscess or from a blood-borne infection, e.g., after a drug injection. Synonym: psoas abscess intracranial abscess Brain abscess. intradural abscess An abscess within the layers of the dura mater. intraperitoneal abscess Peritoneal abscess. ischiorectal abscess Anorectal abscess. kidney abscess An abscess in the kidney, typically following pyelonephritis or a blood-borne infection. The most common causative organisms are gram-negative bacteria from the lower urinary tract that spread to the kidneys and Staphylococcus aureus from a blood-borne infection. Immunocompromised patients may develop abscesses caused by Nocardia, Candida, or Aspergillus. Occasionally, Mycobacterium tuberculosis and Echinococcus are responsible agents. Synonym: renal abscess Treatment Antimicrobial agents are used in combination with surgical drainage. Occasionally, nephrectomy or retroperitoneal exploration is required. lacrimal abscess An abscess in a lacrimal gland or in a lacrimal duct. lateral alveolar abscess An abscess in periodontal tissue. liver abscess , abscess of the liverAn abscess in the liver caused by pathogenic organisms such as those of species of Bacteroides, Streptococcus, Staphylococcus, or Entamoeba histolytica. Symptoms The patient will have high fevers; sweats and chills; and an enlarged, painful, tender liver. Pus may be obtained by aspiration. Prognosis Embolic (multiple) abscesses are generally fatal. Liver abscesses may heal after they have been evacuated and treated with antibiotics. See: hepatic abscess lumbar abscess An abscess in the lumbar region. lung abscess An abscess in lung tissue, caused by anaerobic bacteria such as Staphylococcus aureus or Nocardia species. lymphatic abscess An abscess of a lymph node. mammary abscess An abscess in the female breast, esp. one involving the glandular tissue. It usually occurs during lactation or weaning. Synonym: breast abscess mastoid abscess An abscess of the mastoid portion of the temporal bone. metastatic abscess A secondary abscess at a distance from the focus of infection. Synonym: embolic abscess; hypostatic abscess; wandering abscess miliary abscesses Multiple small embolic abscesses. milk abscess A mammary abscess during lactation. mycotic abscess Fungal abscess. nocardial abscess An abscess caused by Nocardia, e.g., in the lung). orbital abscess An abscess in the orbit of the eye. palatal abscess An abscess in a maxillary tooth, erupting toward the palate. palmar abscess An abscess in the tissues of the palm of the hand. pancreatic abscess An abscess of pancreatic tissue, usually as a complication of acute pancreatitis or abdominal surgery. parafrenal abscess An abscess on the side of the frenulum of the penis. parametric abscess An abscess between the folds of the broad ligaments of the uterus. paranephric abscess An abscess in the tissues around the kidney. Synonym: perinephric abscess parapancreatic abscess An abscess in the tissues adjacent to the pancreas. Synonym: peripancreatic abscess parietal abscess A periodontal abscess arising in the periodontal tissue other than the orifice through which the vascular supply enters the dental pulp. parotid abscess An abscess of the parotid gland. pelvic abscess An abscess of the pelvic peritoneum, esp. in the pouch of Douglas. It may arise as a complication of a sexually transmitted disease or diverticulitis. perianal abscess An abscess of the skin around the anus. It usually results from obstruction of intestinal crypts and subsequent fistula formation in the skin. Synonym: periproctic abscess periapical abscess An abscess at the apex of a tooth, usually resulting from dental caries or tooth trauma. It may be classified further as an acute periapical abscess, a chronic periapical abscess, a periapical granuloma, or a radicular cyst. Synonym: apical abscess (2); dentoalveolar abscess pericemental abscess An alveolar abscess not involving the apex of a tooth. pericoronal abscess Pericoronitis. peridental abscess An abscess of periodontal tissue. perinephric abscess Paranephric abscess. periodontal abscess An acute or chronic abscess found in the gingiva, periodontal pockets, or periodontal ligament. peripancreatic abscess Parapancreatic abscess. peripleuritic abscess An abscess in the tissue surrounding the parietal pleura. periproctic abscess Perianal abscess. peritoneal abscess An abscess within the peritoneal cavity usually following peritonitis. It is usually caused by enteric bacteria, e.g., Escherichia coli, enterococci, or Klebsiella. Synonym: intraperitoneal abscess peritonsillar abscess An abscess of the tissue around the tonsillar capsule. Needle aspiration of the abscess, with subsequent antibiotic therapy, is an effective treatment in 90% of cases. Synonym: circumtonsillar abscess periureteral abscess An abscess in the tissue around a ureter. periurethral abscess An abscess in tissue surrounding the urethra. perivesical abscess An abscess in tissue around the urinary bladder. pneumococcic abscess An abscess due to infection with pneumococci. prelacrimal abscess An abscess of the lacrimal sac, producing an inflamed, tender swelling at the inner canthus of the eye. premammary abscess A subcutaneous or subareolar abscess of the mammary gland. prostatic abscess An abscess within the prostate gland. protozoal abscess An abscess caused by a protozoon. psoas abscess Iliopsoas abscess. pulp abscess 1. An abscess in the pulp chamber of a tooth.2. An abscess of the tissues of the pulp of a finger. pyemic abscess A metastatic abscess, usually multiple, due to pyogenic organisms. rectal abscess Anorectal abscess. renal abscess Kidney abscess. retrocecal abscess An abscess located behind the cecum. It is an occasional, severe complication of a ruptured appendix or Crohn disease. retromammary abscess An abscess between the mammary gland and the chest wall. retroperitoneal abscess An abscess located between the peritoneum and the posterior abdominal wall. It may arise from an abscess in the kidney or from the spread of an intraperitoneal infection posteriorly. retropharyngeal abscess An abscess of the lymph nodes in the walls of the pharynx. It sometimes simulates diphtheritic pharyngitis. Etiology Staphylococcus aureus and group A hemolytic streptococcus are the most common pathogens. Symptoms Typically, a history of pharyngitis is elicited. This is followed by high fever, dysphagia, and refusal to eat. The condition progresses to respiratory distress with hyperextension of the head (“sniffing position”), tachypnea, labored breathing, and drooling. An exquisitely tender bulge in the pharyngeal wall is usually evident. Treatment A retropharyngeal abscess, if fluctuant, should be treated with incision and drainage. If recognized before becoming fluctuant, the abscess should be treated with antibiotics, intravenously administered if the patient is unable to swallow. retrovesical abscess An abscess behind the bladder. root abscess A colloquial and veterinary term for periapical abscess. runaround abscess A colloquial term for a bacterial infection that surrounds a fingernail; a paronychia. sacrococcygeal abscess An abscess over the sacrum and coccyx. septicemic abscess An abscess resulting from septicemia. spermatic abscess An abscess of the seminiferous tubules. spinal abscess An abscess due to necrosis of a vertebra. splenic abscess An abscess of the spleen. It may arise either from the spread of infection from a neighboring organ (that is, a diverticular abscess or a ruptured gastric ulcer) or from hematogenous spread in patients with infective endocarditis. stercoraceous abscess Fecal abscess stercoral abscess Fecal abscess. sterile abscess An abscess from which microorganisms cannot be cultivated, an occasional complication of intramuscular injection. stitch abscess An abscess formed about a stitch or suture. streptococcal abscess An abscess caused by streptococci. subaponeurotic abscess An abscess beneath an aponeurosis or fascia. subarachnoid abscess An abscess of the midlayer of the covering of the brain and spinal cord. subareolar abscess An abscess underneath the areola of the mammary gland, sometimes draining through the nipple. subdiaphragmatic abscess An abscess beneath the diaphragm, e.g., an hepatic, splenic, or interperitoneal abscess. Synonym: subphrenic abscess subdural abscess An abscess beneath the dura of the brain or spinal cord. subfascial abscess An abscess beneath the fascia. subgaleal abscess An abscess beneath the galea aponeuroticai (the epicranial aponeurosis). subpectoral abscess An abscess beneath the pectoral muscles. subperiosteal abscess A bone abscess below the periosteum. subperitoneal abscess An abscess between the parietal peritoneum and the abdominal wall. subphrenic abscess Subdiaphragmatic abscess. subscapular abscess An abscess between the serratus anterior and the posterior thoracic wall. subungual abscess An abscess beneath the fingernail. It may follow injury from a pin, needle, or splinter. sudoriparous abscess An abscess of a sweat gland. suprahepatic abscess An abscess in the suspensory ligament between the liver and the diaphragm. syphilitic abscess An abscess occurring in the tertiary stage of syphilis, esp. in bone. thecal abscess A spinal epidural abscess. thymus abscess An abscess of the thymus. tonsillar abscess Acute suppurative tonsillitis. tooth abscess Alveolar abscess. tropical abscess An amebic abscess of the liver. tuberculous abscess Chronic abscess. tubo-ovarian abscess An abscess involving both the fallopian tube and the ovary. It is typically transmitted sexually. tympanitic abscess Emphysematous abscess. tympanocervical abscess An abscess arising in the tympanum and extending to the neck. tympanomastoid abscess An abscess of both the tympanum and the mastoid. urethral abscess An abscess in the urethra. urinary abscess An abscess caused by escape of urine into the tissues. urinous abscess An abscess that contains pus and urine. verminous abscess Worm abscess. wandering abscess Metastatic abscess. warm abscess Acute abscess. worm abscess An abscess caused by or containing insect larvae, worms, or other animal parasites. Synonym: helminthic abscess; verminous abscessillustration abscess A cavity full of PUS surrounded by inflamed or dying tissue, or by dense fibrous tissue which cuts off the blood supply to the centre. Abscesses are nearly always caused by INFECTION and the organisms concerned often persist within them. Some, however, become sterile. They can seldom be effectively treated with antibiotics and must be opened and the contents drained surgically for proper resolution. See also ANTIBIOMA. abscess a collection of PUS surrounded by an inflamed area in any tissue or organ of an animal. abscess An accumulation of pus located in infected tissue. ab·scess (ab'ses) 1. Circumscribed collection of purulent exudate. 2. Cavity formed by liquefactive necrosis within solid tissue.[L. abscessus, a going away] FinancialSeeLateral
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