polygonal/diarrhea

Fibrolamellar hepatocellular carcinoma (FL-HCC) is a unique variant of hepatocellular carcinoma. The majority of cases present with nonspecific symptoms like vague abdominal pain, weight loss and fatigue. Ruptured FL-HCC occurs rarely and mortality in the acute phase is very high. We report a rare

Thirty-two of 51 cattle infected with Mycobacterium paratuberculosis had chronic enteritis, chronic lymphangitis or mesenteric lymphadenopathy, or all three, at slaughter. Granulomatous inflammatory lesions were mild to advanced and predominantly involved the distal small intestine. Rectal

In the current study, a case of a cardiac ganglioneuroma with systemic metastases in a cat is described. A 12-year-old male neutered Japanese domestic cat was brought to a veterinary hospital for dysorexia, coughing, vomiting, and diarrhea. Ultrasonography revealed a mass adjacent to the right

We have attempted to characterize a group of bronchopulmonary neoplasms that share certain structural features with true carcinoids but appear distinctly more pleomorphic and behave far more aggressively. In reviewing our files from 1973 to 1982, 11 such neoplasms were identified; the original

Medullary thyroid cancer is a rare neuroendocrine neoplasm that arises from the parafollicular C cells that produce calcitonin, a hormone essential for the regulation of calcium metabolism. It accounts for 4%-10% of all thyroid cancers. In most cases (75%-80%), it is sporadic, while in other cases

An intestinal carcinoid with multiple metastases was identified in a 5-year-old male Shih Tzu with a clinical history of anemia, fatigue, anorexia, vomiting, intermittent diarrhea, intestinal bleeding, and progressive emaciation. There was a yellowish-white mass 15 mm in diameter in the anterior

A 61-year-old Japanese man had a gradually growing, red-colored nodule in his umbilicus from 3 years ago. He had no symptoms such as hot flush, diarrhea or wheezing. Computed tomography detected a 3.0 cm × 3.0 cm enhanced nodule on the umbilical portion, inguinal and axillary lymph node swelling,