Gross Description -- Left Lower Quadrant Pain and Diarrhea


GROSS DESCRIPTION:

The specimen is received in three parts.

Part 1:

Part 1 is received fresh labeled "anus". It consists of a 0.4 x 0.2 x 0.2 fragment of tan mucosa. A frozen section is done. The remainder of the frozen tissue is submitted in cassette 1A.

Part 2:

Part 2 is received fresh labeled "rectal mucosa". It consists of a cylindrical portion of ragged hemorrhagic soft tissue with irregular margins. The mucosa is gray-pink and erythematous. In total it measures 4.5 x 2.0 x 1.0 cm. The specimen is entirely submitted in 2A and 2B.

Part 3:

Part 3 is received fresh labeled "bowel, colon and rectum". It consists of a 73.0 cm. segment of distal colon and rectum. The proximal circumference is 6.0 cm. the distal circumference is 9.0 cm. Attached to the specimen is 73.0 x 8.0 x 5.0 cm. of adipose tissue. Within the adipose tissue approximately 78 lymph nodes ranging from 0.2 to 1.2 cm. are found. On opening the specimen the colonic mucosa is tan and has retained folds with focal areas of edema. The rectal mucosa, starting at the colorectal junction, is hemorrhagic and streaked with linear ulceration. The junction between the colon and the rectum is well demarcated. The ulcer extends to the distal resection line. The segment of rectum is 18.0 cm. long, and the ulcers range from 0.5 to 1.5 cm. Lymph nodes are submitted in 3A through 3H, 3I is the proximal resection margin, 3J is the distal resection margin 3K,LM is representative sections of colon, 3N,O,PQ are sections of rectum.


MICROSCOPIC DESCRIPTION

FINAL DIAGNOSIS


Case 

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