Nontyphoidal Salmonella is a type of well-known foodborne pathogen that causes gastroenteritis, bacteremia, and subsequent focal infection. Moreover, colonic ulcers, caused by nontyphoidal Salmonella infection, are considered uncommon in children. We report on the case of a 32-month-old healthy female with diffuse left-side colonic ulcers that presented with copious hematochezia, caused by a Sa...

Multiple primary cancers are defined as multiple occurrences of malignant neoplasm of different histologic origin in the same individual. The synchronous occurrence of triple distinct cancers in the same patient is very rare. Herein, we report an extremely rare case of synchronous triple primary cancers of the rectum, thyroid gland and uterine cervix; all were detected during the work-up for he...

Question: A 78-year-old woman presented with 500 mL hematochezia, hypotension, and a hemoglobin level of 5.4 g/dL. She had a history of right hemilobectomy of the liver and hepatojejunostomy for Klatskin tumor IIIA at other institutions 2 years before. Her medical history also included mitral regurgitation. Emergency esophagogastroduodenoscopy revealed a large, bluish, rugged mass with a smooth...

Amyloidosis is characterized by a deposition of insoluble fibrils in various organs and tissues. Amyloid deposition, in the gastrointestinal track, provokes a dysfunction of the organ, due to an accumulation of fibrils, and causes a variety of clinical symptoms and endoscopic findings. Primary amyloidosis in the gastrointestinal tract is rarely reported in Korea. We experienced a case of recurr...

Mucosal prolapse polyps (MPPs) are rare inflammatory lesions that are part of the mucosal prolapse syndrome. We present the case of a 40-year-old male with history of constipation referred to our institution with suspected rectal malignancy due to hematochezia and a palpable rectal mass. Colonoscopy revealed a 25 mm wide lesion suggestive of subepithelial origin but with marked erythema and ero...