ILEAL DUPLICATIONS

Vaginal and Uterine Duplications

Demographics The true prevalence of vaginal and uterine duplications is unknown because the anomaly may not manifest until the reproductive years of the individual.2 Although a prevalence of 3.2% in the healthy fertile population has been quoted in one study, another study quoted an incidence of 0.1–0.5%.3, 4 Rackow and associates reported an incidence of 3–4% in fertile and infertile women, 5–...

Ureteric Duplications and Ureterocoeles

Introduction Duplications of the ureter represent one of the most common anomalies of the urinary tract. Duplications may be complete or incomplete and can be associated with functioning renal moieties with orifices that open into the bladder. Duplications are often completely asymptomatic and often come to light only in the course of investigations for other reasons. Clinical problems are the ...

Thoracic foregut duplications.

Congenital duplications may arise anywhere in the gastrointestinal tract. Midgut duplications are the most common; foregut duplications (oesophagus, stomach, and the first and second part of the duodenum) account for approximately one third of all duplications. ' Foregut duplication cysts arise either as posterior mediastinal oesophageal duplications, or as foregut duplications from within the ...

MECP2 Duplications in Symptomatic Females

Xq28 microduplications including the MECP2 gene constitute a 100% penetrant X-linked syndrome in males caused by overexpression of normal MeCP2 protein. A small number of cases of affected females have been reported. This can be due to the location of the duplicated material into an autosome, but it can also be due to the location of the duplicated material into one of the X chromosomes and ran...

Timing of Whole Genome Duplications