COLON

55-year-old man with a rectal polyp during CRC screening.

Procedure: colonoscopy with polypectomy.

Gross: a pink polypoid tissue fragment measuring 0.9 cm.

55-year-old female with polyp surveillance.

Procedure: colonoscopy with biopsies.

Micro: see photos. H&E stain. 10x to 40x.

65-year-old male with GI bleeding.

Colonoscopy exam was performed and found a 1.3 cm. colon polyp at the hepatic flexture.

Gross: Received is a 1.3 cm. tan polyp. The specimen is trisected.

Middle-age man with screen lonoscope for polyps.

Gross: Received is a 4 mm. pink polypoid mucosal biopsy tissue. The specimen is bisected. All embedded.

Micro: see photos (4X to 40X).

89-year-old male with GI bleeding and a colon polyp in ascending colon.

Procedure: biopsy of colon polyp.

Photos showing histology, special stains, and IHC stains.

77-year-old female with abdominal pain, absent bowel sound, and distention of abdomen.

Procedure: right colectomy

Gross: The specimen consists of a resected right colon with connected terminal i

Microscopic Photo. Rectal polyp biopsy showing proliferation of islands and sheets of monotonous cells in laminar propria. Surface denudation of colon mucosa is also noted. H&E Stain.

29-year-old female with colon obstruction secondary to a sigmoid mass.