histiocytosis

Introduction

presence of increased numbers of histiocytes

Classification

• group L: Langerhans cell histiocytosis & Erdheim-Chester disease
• group C: non-Langerhans cell histiocytosis involves skin (Juvenile Xanthogranuloma)
• group M: includes malignant histiocytosis
• group R: includes Rosai-Dorfman disease
• Group H: includes hemophagocytic lymphohistiocytosis

More general terms

• leukocyte disorder

More specific terms

• Erdheim-Chester disease
• generalized eruptive histiocytoma (nodular non-X histiocytosis)
• infection associated hemophagocytic syndrome
• Langerhans cell histiocytosis (LCH); histiocytosis X
• lymphohistiocytosis
• malignant histiocytosis; true histiocytic lymphoma; reticulosarcoma; histiocytic medullary reticulosis
• multicentric reticulohistiocytosis; lipoid dermatoarthritis
• sea-blue histiocytosis
• sinus histiocytosis
• sinus histiocytosis with massive lymphadenopathy; Rosai-Dorfman disease

Patient information

histiocytosis patient information