histiocytosis

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What is histiocytosis?

Histiocytosis is a general name for a group of syndromes that involve an abnormal increase in the number of immune cells called histiocytes.

There are three major classes of histiocytoses:

  • Langerhans cell histiocytosis, which is also called histiocytosis X
  • Malignant histiocytosis syndrome (now known as T-cell lymphoma)
  • Non-Langerhans cell histiocytosis (also known as hemophagocytic syndrome)

This article focuses only on Langerhans cell histiocytosis (histiocytosis X).

Alternative Names:

Histiocytosis X; Langerhans cell histiocytosis; Eosinophilic granuloma; Pulmonary histiocytosis X; Nonlipid reticuloendotheliosis; Pulmonary Langerhans cell granulomatosis; Hand-Schuller-Christian disease; Letterer-Siwe disease

What are the causes, incidence and risk factors associated with histiocytosis?
What are the symptoms associated with histiocytosis?
What are the treatment options for histiocytosis?
Posts on histiocytosis (54)
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- Sep 21, 2009
Hi everyone... My daughter is 7 years old, she has had Diabetes Insipidus since the age of ...
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- Nov 21, 2007
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- Oct 03, 2006
I had a right axillary tumor removed that was 7.5x6.5x2cm which included the removal of fiv...
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- Sep 25, 2006
hi i had a lymphnode removed 4 yrs ago and it said that it was benign but that it had sinus...
sinus histiocytosis - Undiagnosed Symptoms Community
- Sep 25, 2006
hi i had a lymphnode taken out about 4 yrs ago and it said that there was sinus histiocytos...
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- Apr 08, 2000
Dr., I have heard of several methods to remove spider veins from the face. I only h...
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