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Xanthoma disseminatum with massive intracranial involvement
1Department of Pathology, University of Pittsburgh Medical Center, Pennsylvania, USA.
Clinical Neuropathology
|November 1, 1995
Summary
Xanthoma disseminatum, a rare non-X histiocytopathy, can cause severe central nervous system (CNS) disease. This case highlights extensive brainstem and meningeal involvement, leading to significant neurological deficits and poor prognosis.
Area of Science:
- Neurology
- Pathology
- Dermatology
Background:
- Xanthoma disseminatum (XD) is a rare non-X histiocytopathy characterized by widespread xanthomas.
- Its pathogenesis remains uncertain, and central nervous system (CNS) involvement is uncommon but associated with a poor prognosis.
Observation:
- A patient with XD developed numerous, large intracranial dural-based xanthomatous tumors requiring repeated neurosurgical interventions.
- Late-stage disease progression included quadriparesis, ataxia, ophthalmoplegia, and bulbar palsy due to intraparenchymal brainstem infiltration.
Findings:
- Autopsy revealed extensive meningeal and intraparenchymal CNS disease, along with widespread systemic infiltrates.
- Detailed gross and microscopic pathology, immunohistochemistry, ultrastructural, and biochemical analyses are presented.
- This case is exceptional for the extensive CNS disease observed in XD.
Implications:
- The case underscores the potential for severe, progressive CNS complications in xanthoma disseminatum.
- Understanding the pathology of CNS involvement is crucial for managing this rare condition.
- Further research into the pathogenesis of XD is needed to improve patient outcomes.