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Pathology Quiz Case - 12

Dr Sampurna Roy MD

                                                                                                   

 

Clinical History:  A 62 year old man with a yellow-tan, ulcerated plaque (3.5 cm in diameter) on the right side of the face. The tumour was excised with a 2cm margin. 

Further examination of the patient showed no evidence of any internal visceral neoplasm or any other associated cutaneous lesion.

The patient had no family history of any visceral malignancy.

Special Stains:  Frozen section stained with Oil red O shows abundant lipid within the vacuolated cells.

Immunohistochemistry: The tumour cells show positive reaction for epithelial membrane antigen (EMA) but is negative for carcinoembryonic antigen (CEA) and S100 protein.

                 

Diagnosis

  Dart

 


 

 

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