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Neuroendocrine tumour arising inside a retro-rectal tailgut cyst: report of two cases and a review of the literature

Spada, Francesca and Pelosi, Giorgio and Squadroni, Michela and Lorizzo, Katia and Farris, Antonio and De Braud, Filippo and Fazio, Nicola (2011) Neuroendocrine tumour arising inside a retro-rectal tailgut cyst: report of two cases and a review of the literature. ecancermedicalscience, Vol. 5 , p. 1-5. eISSN 1754-6605. Article.

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DOI: 10.3332/ecancer.2011.201

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Abstract

Tailgut cysts (or retro-rectal cyst-hamartomas (RCHs)) are developmental abnormalities consisting of multiloculated cysts lined by squamous, transitional or glandular epithelium which, albeit rarely, may give rise to malignant transformations. Carcinoid tumours arising in the presacral region are extremely rare and usually benign, and only a few are described in the literature. Case 1: A 63-year-old female diagnosed as having bilateral ovarian cysts underwent surgery to remove a right adnexial mass that was histopathologically diagnosed as a well-differentiated carcinoid tumour. She is currently disease free after 18 months of follow-up. Case 2: A 41-year-old-female diagnosed with hepatic metastases and a solid pelvic mass arising from a moderately differentiated neuroendocrine carcinoma is currently alive with disease after having undergone surgical removal of the mass and several medical treatments. We here describe two different clinical histories of well- and moderately differentiated neuroendocrine tumours (NETs) arising from tailgut cysts in the prerectal space together with a review of the relevant literature.

Item Type:Article
ID Code:5675
Status:Published
Refereed:Yes
Uncontrolled Keywords:Retro-rectal cyst-hamartomas (RCHs), neuroendocrine tumours (NETs), presacral region
Subjects:Area 06 - Scienze mediche > MED/06 Oncologia medica
Divisions:001 Università di Sassari > 03 Istituti > Clinica medica generale e terapia medica
Publisher:Cancer Intelligence
eISSN:1754-6605
Copyright Holders:© the authors; licensee ecancermedicalscience
Deposited On:28 Mar 2011 10:34

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