title: Tailgut Cyst and Perineal Hydatid Cyst: A Case Report with Multimodality Imaging Findings.
abstract: A tailgut cyst is a rare developmental lesion and usually is located in the retrorectal or presacral space. Extrahepatic hydatid disease has been reported in several locations including the pelvis and it often poses a diagnostic challenge. There are very few reported cases of primary perineal hydatid cysts. We present the multimodality imaging findings of a tailgut cyst and concurrent perineal hydatid disease in a 32-year-old male patient.
authors.affiliation: Ministry of National Guard, Health Affairs, King Abdulaziz Medical City, Medical Imaging Department, Riyadh, Saudi Arabia.
authors.forename: Ibtisam Musallam
authors.identifier: 0000-0002-1325-6756
authors.initials: IM
authors.lastname: Aljohani
authors.affiliation: College of Medicine, Medical Imaging Department, Al-Qassim University, Buraydah, Saudi Arabia.
authors.forename: Khalefa Ali
authors.initials: KA
authors.lastname: Alghofaily
authors.affiliation: Mallinckrodt Institute of Radiology, Washington University, St. Louis, MO, USA.
authors.forename: Sebastian R
authors.identifier: 0000-0003-4025-7604
authors.initials: SR
authors.lastname: McWilliams
authors.affiliation: King Faisal Specialist Hospital & Research Center, Department of Radiology, P.O. Box 3354, Riyadh 1121, Saudi Arabia.
authors.forename: Mnahi
authors.identifier: 0000-0002-6231-7914
authors.initials: M
authors.lastname: Bin Saeedan