INTRODUCTION Heterotopic pancreatic cancer in the duodenum is a very rare disease. Only twelve cases have been reported worldwide to date. We report a rare case of malignant transformation of heterotopic pancreas (Heinrich type III) in the duodenum with long-term survival of the patient, and review the 12 cases in the literature. CASE PRESENTATION A 75-year-old Japanese man was admitted to ou...

Abstract Background Meckel’s diverticulum is the most frequent congenital anomaly of gastrointestinal tract. It can invert or invaginate into small intestine lumen. usually associated with heterotopic tissue elements. Case presentation We present a case inverted Meckel's diverticulum, clinically and radiologically diagnosed as intestinal obstruction due to intussusceptions. The diagnosis was su...

Heterotopic or ectopic pancreas is pancreatic tissue present at an abnormal location which not connected to the main pancreas. They are predominantly located in gastrointestinal tract, with stomach being most common site. Mostly asymptomatic, they usually detected incidentally during surgeries for other conditions. Preoperative diagnosis very difficult and definitive histopathological examinati...

that is lying outside its normal location and it lacks any anatomic or vascular connections with the pancreas. It is also described as pancreatic heterotopia, a term coined by Barbosa et al. (1) in 1946. The frequency of heterotopic pancreas has been estimated to be 1 case per 500 explorations of the upper abdomen or 0.6-13.7% of autopsies (2). Heterotopic pancreatic tissue may be found anywher...

Introduction: Heterotopic gastrointestinal cyst of the oral cavity is an extremely rare lesion with fewer than 40 cases reported in the English literature. It usually involves the soft tissue covering the floor of the mouth and the tongue. Lining of this lesion resembles gastric or intestinal mucosa. Case Report: In this report we describe the lesion in two boys and discuss their pathogenesis.

Heterotopic pancreas is defined as pancreatic tissue found outside its normal localization without vascular or anatomic communication with the pancreatic gland. It is usually diagnosed incidentally, but it may also be responsible for acute clinical pictures. We discuss an interesting case of ectopic pancreas associated with type II esophageal atresia and presenting with gastrointestinal acute b...