Introduction: Pancreatic heterotopia has been described most frequently in stomach and duodenum. Isolated occurrence of heterotopic pancreas in ileum is exceptional and is usually discovered incidentally during surgery. In rare cases, heterotopic pancreas has been reported as a lead point of ileoileal intussusception. Case Report: A one-year-old boy was presented with recent onset of constipati...

Heterotopic glial tissue is very rare in the orbit. Our case was an adult, which is unique since most cases reported in literature involve children. We describe a case of a 60-year-old man who presented with an orbital mass, which histopathologically revealed heterotopic glial tissue.

Heterotopic cardiomyocytes (CMC) have been described in the wall of pulmonary veins including intraparenchymatous branches, in various species of laboratory animals. Brief note is given here of their morphology including electron microscopy and immunohistological findings. From the current literature hints concerning arrhythmogenic activity of heterotopic CMC in pulmonary vessels in the possibl...

Cyst formation is an uncommon pathologic finding in heterotopic pancreas. It is sometimes reported in a duodenal location but very rarely in a gastric location and leads to very large lesions of unusual endoscopic and radiographic appearance. Two cases of gastric heterotopic pancreas are described in which cystic zones in the gastric wall were found at preoperative ultrasound or computed tomogr...

Heterotopic pregnancy refers to the presence of simultaneous pregnancies in two different implantation sites, generally one intra-uterine pregnancy and one extra-uterine pregnancy (usually tubal). This is a rare case of a heterotopic pregnancy involving concurrent intra-uterine pregnancy and caesarean section scar pregnancy (CSEP). CSEPs are at a high risk of bleeding and uterine rupture, carry...

BACKGROUND Ovarian autotransplantation has shown increasing promise as a clinical method for the preservation of fertility and hormonal function. However, information regarding the success rate of this type of transplantation is limited. We hypothesized that results vary according to the site of the ovarian transplantation. To test this hypothesis, fresh or cryopreserved ovarian strips were aut...

Human cortical malformations often result in severe forms of epilepsy. Although the morphological properties of cells within these malformations are well characterized, very little is known about the function of these cells. In rats, prenatal methylazoxymethanol (MAM) exposure produces distinct nodules of disorganized pyramidal-like neurons (e.g., nodular heterotopia) and loss of lamination in ...

Background: An ovarian heterotopic pregnancy is a rare entity associated with life-threatening consequences in case of delayed diagnosis. Case: A 33-year-old nulliparous woman with idiopathic primary infertility underwent a cycle of ovulation induction using Clomiphene Citrate and intrauterine insemination. Although the patient was asymptomatic, the ultrasound demonstrated a missed abortion wit...

Using a previously described murine heterotopic corneal allograft model, we examined the roles of delayed-type hypersensitivity (DTH) and cytotoxic T lymphocytes (CTL) in corneal allograft rejection. We have previously shown that normal C57BL/6 mice consistently reject heterotopic corneal allografts within 14 days of grafting. These hosts develop antigen-specific CTL responses but no evidence o...

Heterotopic pregnancy is defined as intrauterine and extrauterine pregnancy entity coexisting simultaneously and which has been on the rise in recent years with the development of assisted reproductive techniques. We report 4 cases of heterotopic pregnancy, three of them resulting from assisted reproductive technologies and a spontaneous case. We also describe the methods used for diagnosis, th...