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Xanthoma disseminatum: a case with extensive mucous membrane involvement
Journal of the American Academy of Dermatology
|August 1, 1991
Summary
A rare non-X histiocytosis case presented with skin papules and gastric xanthomas. Immunohistochemical studies confirmed the histiocytic infiltrate diagnosis.
Area of Science:
- Dermatology
- Gastroenterology
- Pathology
Background:
- Histiocytosis encompasses a group of rare disorders characterized by an abnormal proliferation of histiocytes.
- Non-X histiocytosis is a classification for histiocytic disorders not fitting the criteria for Langerhans cell histiocytosis (LCH) or other defined types.
Observation:
- A 37-year-old male presented with erythematous to brownish papules on the face, chest, and groin, forming plaques.
- Endoscopic evaluation identified small xanthomatous papules within the gastric mucosa.
Findings:
- Biopsy of the affected areas revealed a dense infiltrate composed of histiocytes, foam cells, Touton giant cells, and inflammatory cells.
- Immunohistochemical analysis of the cellular infiltrate confirmed the diagnosis of non-X histiocytosis.
Implications:
- This case highlights the importance of considering non-X histiocytosis in the differential diagnosis of unusual skin lesions and gastrointestinal findings.
- Accurate diagnosis through histopathological and immunohistochemical examination is crucial for appropriate patient management and understanding of histiocytic disorders.