Adenosquamous carcinoma colon is a rare neoplasm of colon and is said to have an aggressive course and thus poorer prognosis. Here we have described a case of adenosquamous carcinoma colon in an elderly female patient, presenting with typical features of a colonic malignancy, but with a rapidly deteriorating clinical course and liver metastasis.

Granular cell tumor (GCT) is an uncommon, usually benign neoplasm; however, a malignant potential has been described. Malignant GCT is an extremely rare neoplasm showing rapid growth and invasion into adjacent muscles, lymph nodes, or vessels, or even distant metastasis. We recently experienced a case of a histologically benign or atypical but clinically malignant GCT, with invasion of the lymp...

Intussusception is an uncommon pathology in the adult population. Most intussusception cases result from underlying pathological lead point, oftentimes a malignant neoplasm. We report case of male patient who presented with abdominal pain and currant jelly diarrhea. The underwent laparoscopic right hemicolectomy biopsy affected colon did not show any point. remains important differential diagno...

Mixed neuroendocrine-non-neuroendocrine neoplasm (MiNEN) is defined as a tumor composed of cells originating from neuroendocrine in the embryonic intestine and elements epithelial adenocarcinoma. To determine differentiation grade MiNEN, proliferation index was used, for which at least 500 were examined. MiNEN rare that most frequently found lower gastrointestinal tract. We present clinical case ...

Adenosquamous carcinoma of the colon consisting of both glandular and squamous histopathologic features is a rare colorectal neoplasm. Metastasis commonly occurs in right and transverse colon. A 71-year-old Caucasian man presented with a four-month history of intermittent rectal bleeding. Pathologic analysis of biopsy specimen revealed an adenosquamous carcinoma of sigmoid colon. Sigmoid resect...

A 47-year-old man presented with intussusception of the colon and was found to have a large tubulo-villous adenoma high grade dysplasia, transforming into adenocarcinoma. The bowel adjacent polyp showed florid vascualr proliferation, mimicking vascular neoplasm. However, there were no signs atypia or malignancy in lesion. We illustrate an example chronic obstruction inducing hypoxia, leading ne...