Extrarectal mass: A tailgut cyst

Costello, Declan; Schofield, A.L.; Stirling, R. W.; Theodorou, N. A.

doi:10.1177/014107680009300214

Cited by 9 publications

(6 citation statements)

References 5 publications

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“…We indeed observed in one case for which postoperative MR imaging had been performed that the main cyst had been resected along with its neighbor smaller cysts, whereas the small cysts down the canal anal had been left in place. Even though the surgical removal of such associated cysts may be impossible, they have to be preoperatively identified with MRI because their persistence may explain recurrence or infection [17,18]. The present series supports that MRI is suitable for preoperative evaluation of tailgut cyst.…”

Section: Discussionsupporting

confidence: 71%

Tailgut cysts: MRI findings

et al. 2008

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Magnetic resonance imaging (MRI) features of 11 surgically resected pelvic tailgut cysts were analyzed with reference to histopathologic and clinical data. Homogeneity, size, location, signal intensity, appearance and presence of septa and/or nodules and/or peripheral rim and involvement of surrounding structures were studied. Histological examination demonstrated 11 tailgut cysts (TGC), including one infected TGC and one TGC with a component of adenocarcinoma. Lesions (3-8 cm in diameter) were exclusively or partly retrorectal in all cases but one, with an extension down the anal canal in five cases. Lesions were multicystic in all patients but one. On T1-weighted MR images, all cystic lesions contained at least one hyperintense cyst. The peripheral rim of the cystic lesion was regular and non or moderately enhancing in all cases but the two complicated TGC. Nodular peripheral rim and irregular septa were seen in the degenerated TGC. Marked enhancement of the peripheral structures was noted in the two complicated TGC. Pelvic MRI is a valuable tool in the preoperative evaluation of TGC.

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Section: Discussionsupporting

confidence: 71%

Tailgut cysts: MRI findings

et al. 2008

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“…The eligible papers and Table give a good impression of the typical case. The relative risk for malignant transformation was raised in the case of finding nodular thickening of the cyst wall on radiology ( P = 0.0023).…”

Section: Resultsmentioning

confidence: 99%

Malignant transformation of tailgut cysts is significantly higher than previously reported: systematic review of cases in the literature

et al. 2019

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Aim The best treatment for tailgut cysts has not been firmly established. We report a systematic review of the cases in the available literature in order to provide an evidence base for treatment. Method A systematic search of articles wholly or partly in English was made of PubMed, Embase and Google Scholar; additional studies were discovered by searching reference lists and contacting authors directly. Search terms ‘tailgut cyst’, ‘tail gut cyst’, ‘retrorectal hamartoma’ and ‘retrorectal tumour’ were used for case reports or case series; no publication date restrictions were imposed. Only studies with histological confirmation of diagnosis and reporting the age and gender of patients were included. Papers were excluded by consensus between the first two authors. Results A total of 196 individual cases were analysed in detail including 51 cases of neoplasia. The overall rate of neoplastic transformation was 26.6%. Although the male:female cyst incidence ratio was 1:4, men over 18 had a significantly greater relative risk of neoplasm at 1.94 (P = 0.0055). Radiological evidence of nodular thickening of the cyst wall significantly increased the relative risk of the presence of cancer (P = 0.0023). Conclusions Current orthodoxy that these are not dangerous embryological remnants is unfounded and may be false. The available data suggest the risk of malignant transformation is high and will apply to any residual tissue after excision. The same rationale behind total mesorectal excision in rectal cancer applies to tailgut cysts. Consequently they should be resected with similar oncological margins.

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“…The most important complications of these cysts are infection and malignant change. 4 5 11 Infection is the most frequent complication, occurring in 30 to 50% of patients. 9 This infection may manifest as pelvic pain, a local abscess, and a secondary perianal or anorectal fistula with discharge of pus.…”

Section: Discussionmentioning

confidence: 99%

Giant Presacral Tailgut Cyst Mimicking Rectal Duplication in a Girl: Report of a Pediatric Case

García-Palacios

Méndez

Rodríguez-Barca

et al. 2013

Eur Jnl Ped Surg Reports

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Tailgut cyst, or retrorectal cystic hamartoma, is a rare congenital lesion found in the presacral space. The lession has been infrequently reported in medical literature. It is most common in middle-aged women and is rare in children. We report a case of a tailgut cyst mimicking a rectal duplication in an 8-year-old child. Excision and histological examination of the mass confirmed the tailgut cyst.

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Extrarectal mass: A tailgut cyst

Cited by 9 publications

References 5 publications

Tailgut cysts: MRI findings

Tailgut cysts: MRI findings

Malignant transformation of tailgut cysts is significantly higher than previously reported: systematic review of cases in the literature

Giant Presacral Tailgut Cyst Mimicking Rectal Duplication in a Girl: Report of a Pediatric Case

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