histiocytosis


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his·ti·o·cy·to·sis

 (hĭs′tē-ō′sī-tō′sĭs)
n. pl. his·ti·o·cy·to·ses (-sēz)
Any of several diseases characterized by the abnormal proliferation of histiocytes in the tissues or organs.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.histiocytosis - a blood disease characterized by an abnormal multiplication of macrophages
blood disease, blood disorder - a disease or disorder of the blood
Hand-Schuller-Christian disease, Schuller-Christian disease - inflammatory histiocytosis associated with disturbance of cholesterol metabolism; occurs chiefly in young children and is characterized by cystic defects of the skull and diabetes insipidus
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

histiocytosis

n histiocitosis f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
They have been categorized into subtypes based on their location, enzyme histochernistry, ultrastructure, and immunohistochemical features, and are further classified into 5 groups designated by the WHO, as follows: LC histiocytosis (LCH); LCS; interdigitating dendritic cell sarcoma/tumor (IDCS/T); follicular dendritic cell sarcoma/ tumor (FDCS/T); dendritic cell sarcoma, not otherwise specified (6).
The differential diagnosis of these findings includes Langerhans cell histiocytosis (CH), which would stain positively for CD68 and also S100 protein.
Exacerbation of these fusion pathways may be involved in two diseases of unknown etiology: rheumatoid arthritis (RA) and a rare disease called Langerhans cell histiocytosis (LCH).
Keywords: Sinus histiocytosis with massive lymphadenopathy, Rosai-Dorfman disease, Ascites.
Magnetic resonance imaging also revealed heterogenous pituitary gland, thickened stalk, and loss of a hot signal (T1 weighted) of the posterior pituitary, which was suggestive of Langerhans cell histiocytosis. Cerebral fluid sampling and pituitary stalk biopsy were considered deferred.
Phoebe Lannigan, seven, was diagnosed with Langerhans Cell Histiocytosis - which caused numerous tumours to develop around her body, including her arm, skull and ribs - when she was just two years old.
Kids with Langerhans cell histiocytosis seem to be prone to it.
* The differential diagnosis for eruptive xanthoma includes xanthoma disseminatum, non-Langerhans cell histiocytoses (eg, generalized eruptive histiocytosis), and cutaneous mastocytosis.
Erdheim-Chester disease: evidence for a disease entity different from Langerhans cell histiocytosis? Three cases with detailed radiological and immunohistochemical analysis.
Memorial donations in memory of Patricia may be made to The Histiocytosis Association at https://www.histio.org/ or mailed to Histiocytosis Association, 332 N.
To the Editor: Langerhans cell histiocytosis (LCH) is a rare disease that usually occurs in the first two decades of life.[1] Multisystem-LCH (MS-LCH) mainly affects youth.
The most common histiocytic disorder, Langerhan's cell histiocytosis (LCH) involves the clonal proliferation of activated dendritic cells and macrophages.