Pathology Quiz Online
Clinical History: A 30 year old male with a large retroperitoneal mass.
CT-scan images and MRI demonstrated a lobulated encapsulated soft tissue mass
containing cystic areas
and hypertrophied blood vessels.
Gross:
Large irregular, lobulated mass .
Cut surface reveals a greyish - yellow
tumour mass with areas of cyst formation, blood clot and calcification.
Immunohistochemistry: S100 protein positive.
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