Transpubic variant of congenital prepubic sinus on magnetic resonance imaging

Congenital prepubic sinus is a very rare urogenital anomaly that manifests as a tubular structure of varying histological findings that drains to the skin overlying the pubic symphysis. This tract has been observed to course above, below or, in only a handful of cases, directly through the pubis. We...

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Bibliographic Details
Published in:Pediatric radiology 2020-06, Vol.50 (7), p.1010-1012
Main Authors: Lei, Brandon Z., Wu, Gregory, Polito, Laura, Horowitz, Mark, Neuman, Jeremy
Format: Article
Language:English
Subjects:
Adolescent
Case Report
Case reports
Cutaneous Fistula - diagnostic imaging
Cutaneous Fistula - surgery
Diagnosis
Humans
Imaging
Magnetic Resonance Imaging
Male
Medicine
Medicine & Public Health
Neuroradiology
Nuclear Medicine
Oncology
Pathogenesis
Pediatrics
Pubic Symphysis - abnormalities
Radiology
Sinuses
Surgery
Teenagers
Ultrasound
Urogenital Abnormalities - diagnostic imaging
Urogenital Abnormalities - surgery
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Summary:Congenital prepubic sinus is a very rare urogenital anomaly that manifests as a tubular structure of varying histological findings that drains to the skin overlying the pubic symphysis. This tract has been observed to course above, below or, in only a handful of cases, directly through the pubis. We report a case of congenital prepubic sinus with this unusual transpubic course in an 18-year-old man. The patient was initially taken to the operating room for excision of a presumed inclusion cyst. At the time of surgery, the collection was found to track proximally and was excised down to the level of the pubic symphysis. Subsequent magnetic resonance (MR) imaging established the diagnosis of congenital prepubic sinus. We describe the different anatomical courses of congenital prepubic sinus, hypotheses of its pathogenesis, and the use of MR imaging in both diagnosis and surgical planning.
ISSN:0301-0449
1432-1998
DOI:10.1007/s00247-020-04619-y