释义 |
sicca complex sic·ca com·plexdryness of the mucous membranes, as of the eyes and mouth, in the absence of a connective tissue disease such as rheumatoid arthritis.sicca complex The constellation of symptoms related to generalised mucosal drying, which is most often associated with Sjögren syndrome but may occur in amyloidosis, haemochromatosis, hyperlipoproteinaemia types IV and V, sarcoidosis, vitamin C and/or A deficiency, scleroderma, and other connective tissue diseases. Targeted tissues • Eyes—xeroconjunctivitis due to decreased tears; thick, “ropy” secretions on the inner canthus; foreign body (tired, itchy, sandy) sensation; and decreased visual acuity. • Mouth—xerostomia with decreased salivation due to lymphocyte infiltration and duct obstruction, with soreness, adhesion of food to mucosa, “dry cracker” sign, angular cheilitis, fissuring of the tongue, and acceleration of caries.sicca complex Symptoms related to generalized mucosal drying, affecting Eyes–xeroconjunctivitis due to ↓ tears, thick, 'ropy' secretions on the inner canthus, foreign body–tired, itchy, sandy sensation, ↓ visual acuity Mouth–xerostomia with ↓ salivation due to lymphocyte infiltration and duct obstruction, with soreness, adhesion of food to mucosa, 'cracker' sign, angular cheilitis, lingual fissuring, acceleration of caries. See Dry eye, Dry mouth. sic·ca com·plex (sik'ă kom'pleks) Dryness of the mucous membranes, as of the eyes and mouth, in the absence of a connective tissue disease such as rheumatoid arthritis. sic·ca com·plex (sik'ă kom'pleks) Dryness of mucous membranes, as of eyes and mouth, in the absence of a connective tissue disease. |