Hemophagocytic lymphohistiocytosis: Difference between revisions
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{{CMG}}; {{AE}} {{RT}} | {{CMG}}; {{AE}} {{RT}} | ||
{{SK}} Hemophagocytic syndrome | {{SK}} Hemophagocytic syndrome, Familial histiocytic reticulosis, Hemophagocytic lymphohistiocytosis - familial, Erythrophagocytic lymphohistiocytosis - familial, Familial haemophagocytic lymphohistiocytosis | ||
==Overview== | ==Overview== |
Revision as of 22:55, 31 July 2012
Hemophagocytic lymphohistiocytosis | |
Light microscopic image of bone marrow showing stromal macrophages containing numerous red blood cells in their cytoplasm | |
ICD-10 | D76.1 |
ICD-9 | 288.4 |
OMIM | 267700 603552 |
DiseasesDB | 31418 |
MeSH | D051359 |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]
Synonyms and keywords: Hemophagocytic syndrome, Familial histiocytic reticulosis, Hemophagocytic lymphohistiocytosis - familial, Erythrophagocytic lymphohistiocytosis - familial, Familial haemophagocytic lymphohistiocytosis
Overview
Hemophagocytic lymphohistiocytosis (HLH)[1] is an uncommon hematologic disorder
Classification
HLH comprises
- Familial (primary) hemophagocytic lymphohistiocytosis (FHL)
- Secondary HLH (SHLH)
Familial forms
FHL, an autosomal recessive disorder, is invariably fatal when untreated. It is associated with defective triggering of apoptosis and reduced cytotoxic activity, resulting in a widespread accumulation of T lymphocytes and activated macrophages.
There are four types, and each is associated with a specific gene:
References
- ↑ Fisman DN (2000). "Hemophagocytic syndromes and infection". Emerging Infect. Dis. 6 (6): 601–8. doi:10.3201/eid0606.000608. PMC 2640913. PMID 11076718.
- Fisman DN (2000). "Hemophagocytic syndromes and infection". Emerging Infect. Dis. 6 (6): 601–608. PMID 11076718.
- Henter JI, Samuelsson-Horne A, Aricò M; et al. (2002). "Treatment of hemophagocytic lymphohistiocytosis with HLH-94 immunochemotherapy and bone marrow transplantation". Blood. 100 (7): 2367–2373. doi:10.1182/blood-2002-01-0172. PMID 12239144.
External links
- http://www.hrtrust.org/library/HLHSymptomsSignsAndDiagnosis.html
- Histiocytosis at eMedicine
- http://www.histio.org
- http://www.jonahchuang.com
- http://www.elyseyu.com
- http://www.ethanmichaelsmith.com
- http://www.savejonah.com