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beta-Sitosterolemia with generalized eruptive xanthomatosis
H Hidaka1, H Sugiura, T Nakamura
1Third Department of Medicine, Shiga University of Medical Science, Japan.
Endocrine Journal
|February 1, 1997
Summary
This study describes the first case of sitosterolemia presenting with eruptive xanthomatosis in a child. The findings highlight the importance of considering sitosterolemia in diagnosing hypercholesterolemia with xanthomas.
Area of Science:
- Lipidology
- Dermatology
- Genetics
Background:
- Sitosterolemia is a rare genetic disorder of lipid metabolism.
- It is characterized by impaired intestinal excretion of plant sterols and cholesterol.
Observation:
- A six-year-old girl presented with generalized eruptive xanthomatosis and hypercholesterolemia.
- Histological examination confirmed the lesions as xanthomas.
- Family screening revealed hypercholesterolemia in her mother and one sibling.
Findings:
- Plasma sterol analysis revealed elevated plant sterols (phytosterols) and cholestanol in the proband and affected sibling.
- This case is the first documented instance of eruptive xanthomatosis in a patient with sitosterolemia.
Implications:
- Sitosterolemia should be included in the differential diagnosis for patients with tuberous or eruptive xanthomas and hypercholesterolemia.
- Early diagnosis is crucial as sitosterolemia is treatable with diet and medication.