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Case 298

Surgical Pathology Case
 

CLINICAL INFORMATION

 

A 81 years old male recently noted increasing difficulty in passing bowel movements which are string-like. Evaluation suggested an anal margin mass and anal stenosis. Colonoscopy negative for any lesion. A biopsy of the anal lesion was performed.

GROSS DESCRIPTION

 

The specimen consists of a skin ellipse measuring 2.2 x 1.4 x 0.5 cm with a 1.1 cm central lesion measuring 1.1 cm.

     
 
 

HE, 2

HE, 4

 
 

HE, 20

HE, 40

 
 

HE, 40

HE, 40

     
 

Click here for diagnosis and discussion.

 

Source: Department of Pathology, Creighton University Medical Center, Omaha, NE

Photo: Zenggang Pan

Discussion: Zenggang Pan