splenic mesothelial cyst
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Synopsis
cystic lesion
- unifocal
- multifocal
Size: microscopic size to 2 cm in diameter
thin-walled, semitranslucent, filled with clear or yellowish fluid or gelatinous contents
cysts were with a single layer of flattened or cuboid mesothelial cells (CK+, calretinin+)
diffuse squamous cell metaplasia
cells focally forming small papillae
vacuolated cells
no mucus
Immunohistochemistry
CK +
calretin +
Differential diagnosis
splenic lymphangiomas (9060604)
splenic lymphangiomatosis (9060604)
See also
mesothelial cysts
diaphragmatic mesothelial cyst
hepatic mesothelial cyst
splenic mesothelial cyst
References
Arber DA, Strickler JG, Weiss LM. Splenic mesothelial cysts mimicking lymphagiomas. Am J Surg Pathol. 1997 Mar;21(3):334-8. PMID: 9060604