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Related Experiment Videos

Cystic appendix epididymis: a sonomorphologic study.

Fatih Kantarci1, Harun Ozer, Ibrahim Adaletli

  • 1Department of Radiology, Cerrahpasa Medical Faculty, Istanbul University, 34300 Istanbul, Turkey. fatihkan@yahoo.com

Surgical and Radiologic Anatomy : SRA
|October 1, 2005
PubMed
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Cystic appendix epididymis is common on ultrasound, often appearing stalked with simple cysts. This finding should not be confused with a torsed testicular appendage, aiding accurate diagnosis.

Area of Science:

  • Urology
  • Radiology
  • Medical Imaging

Background:

  • Testicular appendages, including the appendix testis and appendix epididymis, are common findings during scrotal ultrasound.
  • Cystic changes in these structures can sometimes mimic other scrotal pathologies.

Purpose of the Study:

  • To characterize the sonographic appearance of cystic appendix epididymis.
  • To differentiate cystic appendix epididymis from other scrotal abnormalities, particularly testicular torsion.

Main Methods:

  • Prospective ultrasound evaluation of 272 patients (544 testes) for scrotal complaints.
  • Identification and classification of testicular appendages, focusing on cystic appendix epididymis morphology (stalk presence, cyst size).

Main Results:

Related Experiment Videos

  • Testicular appendages were identified in 61.9% of testes; appendix epididymis in 17.6%.
  • Cystic appendix epididymis was observed in 36.4% of appendix epididymides.
  • The most frequent morphology was stalked appendix epididymis with nonseptated, unilocular cysts (31.4%).

Conclusions:

  • Cystic appendix epididymis is a frequent sonographic finding.
  • Understanding its typical morphology is crucial to avoid misdiagnosis, especially differentiating it from testicular appendage torsion.