title: Torsed and Nontorsed Inguinal Undescended Testis: Comparison of Computed Tomography Findings.
abstract: OBJECTIVE
  The aim of this study was to compare the computed tomography imaging features of a torsed inguinal testis with nontorsed inguinal testes.
  
  
  METHODS
  Computed tomography scans of patients with undescended testes were retrospectively collected (2011-2016). Imaging features of nontorsed undescended testis were compared with a case of an inguinal torsed testis. Observations included location of the undescended testis, size (length × width) and texture of each testis, peritesticular findings, position of testicular vessels, and enhancement patterns.
  
  
  RESULTS
  Twelve nontorsed inguinal undescended testes were compared with 1 torsed undescended testicle. Torsed testis was larger than nontorsed (44 × 27 mm vs 32.9 ± 6.1 × 22.9 ± 4.9 mm), surrounded by fat stranding and fluid, with heterogeneous texture, enhancement of its outer layers, and an upward kink of its vessels.
  
  
  CONCLUSIONS
  Because torsed undescended testis can mimic a groin abscess and because torsion is a medical emergency, radiologists should be aware of this entity and its distinguishing imaging features. Color Doppler examination can ascertain absence/reduction of blood flow.
authors.affiliation: From the Department of Radiology, Chaim Sheba Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
authors.forename: Eyal
authors.initials: E
authors.lastname: Klang
authors.forename: Nadin
authors.initials: N
authors.lastname: Kanaan
authors.forename: Michalle
authors.initials: M
authors.lastname: Soudack
authors.forename: Yeruham
authors.initials: Y
authors.lastname: Kleinbaum
authors.forename: Zehava
authors.initials: Z
authors.lastname: Heiman
authors.forename: Steve
authors.initials: S
authors.lastname: Raskin
authors.forename: Marianne Michal
authors.initials: MM
authors.lastname: Amitai
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003456:Cryptorchidism / Q000150:complications* / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013086:Spermatic Cord Torsion / Q000150:complications* / Q000000981:diagnostic imaging*; D013737:Testis / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed / Q000379:methods*; D055815:Young Adult