histiocytic lesion

An aggregate of histiocytes, which may be benign, indeterminant, or malignant in proliferative potential; to reduce confusion, it has been suggested that histiocytoses be subdivided into different categories Histiocytic lesions-Behavior classification
Benign • Familial histiocytosis with eosinophilia A chronic disease of infants with recurring bacterial infections, diarrhea, eczema, alopecia, associated with immunodeficiency • Sinus histiocytosis with massive lymphadenopathy Rosai-Dorfman disease A disease most common in adolescent blacks with massive cervical lymphadenopathy as well as enlargement of extranodal (orbit, skin, bone, salivary gland, testis) lymphoid tissues • Virus-associated hemophagocytic syndrome A condition induced by viral infections, often accompanied by abnormal liver function tests, coagulation assays and pancytopenia Pathology Histiocyte hyperplasia, hemophagocytosis and replacement of native bone marrow elements Intermediate • Histiocytosis X, aka Langerhans' cell histiocytosis, see there. • Reactive hemophagocytic syndrome, see there. Malignant • Histiocytic medullary reticulosis see there. • Histiocytic proliferations, eg—acute monocytic leukemia (FAB M3), histiocytic lymphoma see there, malignant histiocytosis–see there.

单词	histiocytic lesion
释义	histiocytic lesion histiocytic lesion An aggregate of histiocytes, which may be benign, indeterminant, or malignant in proliferative potential; to reduce confusion, it has been suggested that histiocytoses be subdivided into different categories Histiocytic lesions-Behavior classification Benign • Familial histiocytosis with eosinophilia A chronic disease of infants with recurring bacterial infections, diarrhea, eczema, alopecia, associated with immunodeficiency • Sinus histiocytosis with massive lymphadenopathy Rosai-Dorfman disease A disease most common in adolescent blacks with massive cervical lymphadenopathy as well as enlargement of extranodal (orbit, skin, bone, salivary gland, testis) lymphoid tissues • Virus-associated hemophagocytic syndrome A condition induced by viral infections, often accompanied by abnormal liver function tests, coagulation assays and pancytopenia Pathology Histiocyte hyperplasia, hemophagocytosis and replacement of native bone marrow elements Intermediate • Histiocytosis X, aka Langerhans' cell histiocytosis, see there. • Reactive hemophagocytic syndrome, see there. Malignant • Histiocytic medullary reticulosis see there. • Histiocytic proliferations, eg—acute monocytic leukemia (FAB M3), histiocytic lymphoma see there, malignant histiocytosis–see there.
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