Adrenal
Pseudocyst
Epidemiology:
Common
sites:
Gross features:
- cyst contents
hemorrhagic fibrinous material
Histologic features:
- lacks endothelial
or epithelial lining
- wall composed of
dense fibrous tissue
- areas of calcification
in wall
- foci of chronic
inflammation
- hemosiderin
deposition
- abundant elastic
tissue occasionally
- entrapped nests of
adrenal cortical cells
- dilated,
thin-walled vascular channels
Immunophenotype:
Marker:
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Sensitivity:
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Specificity:
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Molecular features:
Other features:
- may develop as
lymphangioendothelial cysts that undergo episodes of hemorrhage,
fibrosis, and hemosiderin deposition
- may occur in
Beckwith-Wiedemann syndrome
References: