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Radiological features in generalized lipodystrophy
1Department of Radiology, Rikshospitalet, National Hospital, Oslo, Norway.
Acta Paediatrica (Oslo, Norway : 1992). Supplement
|June 1, 1996
Summary
Generalized lipodystrophy, a rare condition, presents significant skeletal abnormalities, organ enlargement, and fat distribution changes. Long-term follow-up reveals distinct radiological findings in congenital versus acquired forms.
Area of Science:
- Endocrinology
- Radiology
- Genetics
Background:
- Generalized lipodystrophy is a rare disorder characterized by a near-complete absence of adipose tissue.
- It can be congenital (inherited) or acquired.
Purpose of the Study:
- To summarize the radiological findings in patients with generalized lipodystrophy over a 38-year follow-up period.
- To compare the skeletal and organ manifestations in congenital and acquired forms.
Main Methods:
- Longitudinal follow-up of eight patients (seven congenital, one acquired).
- Utilized various radiological techniques including ultrasonography, computerized tomography, and pneumoencephalography.
Main Results:
- Advanced skeletal age and variable bone density changes (sclerosis progressing to osteolysis) were observed in congenital lipodystrophy.
- Acquired lipodystrophy showed mild osteoporotic bones without cystic changes.
- Hepatomegaly, splenomegaly with fatty infiltration, and lack of subcutaneous/intraabdominal fat were common in both types.
- Congenital cases exhibited dilated brain ventricles and basal cisterns, cardiomegaly, and enlarged kidneys.
Conclusions:
- Generalized lipodystrophy has distinct long-term radiological features affecting multiple organ systems.
- Radiological assessment is crucial for characterizing the phenotype and monitoring disease progression.