tailgut

post·a·nal gut

an extension of the hindgut caudal to the point at which the anal opening is formed.
Synonym(s): postcloacal gut, tailgut

tailgut

(tāl′gŭt)
A transient diverticulum of the endodermal cloaca of the embryo that extends to the anal opening.
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References in periodicals archive ?
We present the multimodality imaging findings of a retrorectal/presacral tailgut cyst with concomitant hydatid disease of the perineum.
The histopathologic examination of the resected retrorectal cyst revealed a benign tailgut cyst.
Laparotomy, done with the above possibilities and a tailgut cyst or rectal duplication cyst in mind, revealed an immobile retroperitoneal, tense, cystic swelling occupying the entire pelvic cavity.
Tailgut cysts can be diagnosed at all ages but are seen more commonly in middle-age females.
Tailgut cysts are believed to originate from the remnants of the embryonic hindgut.
There are two types of enteric cysts, tailgut cysts (so-called retro rectal cyst-hamartomas or mucin-secreting cysts) and cystic rectal duplication.
The retrorectal cystic hamartoma, also referred to as a tailgut cyst, is believed to originate from the vestigial elements of the embryonic hindgut.
Teratomas, epidermoid and dermoid cysts, rectal duplication cysts and anal cysts may share similar characteristics with a tailgut cyst.
Retrorectal cyst hamartoma (RCH), also commonly known as tailgut cyst, is a rare benign cystic lesion located in the retrorectal space and is believed to derive from persistence of embryologic remnants of the post anal gut (tailgut), which appears at the 3.
Differential diagnoses are numerous, including cystic lymphangioma, mucinous cystadenoma, cystic teratoma, cystic mesothelioma, mullerian cyst, epidermoid cyst, tailgut cyst, bronchogenic cyst, cystic changes in a solid neoplasm, pseudomyxoma retroperitoneal, perianal mucinous carcinoma, pancreatic pseudocyst, lymphocele, urinoma, hematoma, cystadenoma of mesonephric origin, and cavernous hemangioma Dinesh [8].