COLON

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).

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.

46-year-old male with right colon (cecal) mass.

Procedure: Partial right colectomy.

Gross: The specimen consists of a resected cecum measuring 9 cm. in length with a maximal diameter of 6 cm.

A 46 yr old male, history of pain in abdomen and weight loss of 15kgs over eight month period.

65-year-old female with hematochezia.

Procedure: Colonoscope with endoscopic polypectomy.

Gross: The specimen consists of 4 tan, irregular tissue fragments, measuring 0.2 to 0.3 cm.

Microscopic Photo. A tubular adenoma with proliferation of neoplastic tubules.

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.