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.

Synonyms: Histiocytoses, Histiocytosis

Instance information

comment

general or unspecified; prefer specifics; do not confuse with HISTIOCYTOSIS X see HISTIOCYTOSIS, LANGERHANS-CELL ,90

identifier

D015614

Instance relations