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Histiocytosis

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Definition: General term for the abnormal appearance of histiocytes in the blood. Based on the pathological features of the cells involved rather than on clinical findings, the histiocytic diseases are subdivided into three groups: HISTIOCYTOSIS, LANGERHANS CELL; HISTIOCYTOSIS, NON-LANGERHANS-CELL; and HISTIOCYTIC DISORDERS, MALIGNANT.  "abnormal appearance of histiocytes in the blood" (usually in tissue); GEN or unspecified only; prefer specifics; do not confuse with HISTIOCYTOSIS X see HISTIOCYTOSIS, LANGERHANS-CELL   
Examples Histiocytic Disorders, Malignant; Histiocytosis, Langerhans-Cell; Histiocytosis, Non-Langerhans-Cell 		Other names Histiocytoses
 
SubstanceCAS Registry & nameCategoriesSource
Histiocytosis with joint contractures and sensorineural deafness  0   *Contracture *Hearing Loss, Sensorineural *Histiocytosis.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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