Journal of Korean Society of Ultrasound in Medicine 2011;30(2): 123-126.
Sonographic Finding of Extravaginal Testicular Torsion in a Neonate: A Case Report.
Jee Young Son, Young Jun Kim, Hee Sun Park, Hae Jeong Jeon, Hyoung Keun Park, Sung Hyun Paick, Hyeong Gon Kim, Yong Soo Lho, So Dug Lim, Sung Il Jung
1Department of Radiology, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea. radsijung@kuh.ac.kr
2Department of Urology, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea.
3Department of Pathology, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea.
  Published online: June 1, 2011.
ABSTRACT
Extravaginal testicular torsion is known to be the predominant mechanism of the torsion in fetuses and neonates. In this torsion, twisting of the spermatic cord occurs outside the sac of the tunica vaginalis in the scrotum. Herein, we describe the sonographic findings of an extravaginal testicular torsion in a newborn baby who presented with a hard scrotal mass. Gray-scale ultrasound (US) showed hypoechoic linear striations in the testis with a thick hyperechoic peritesticular rim. Surgical exploration revealed an extravaginally twisted testis.
Keywords: Testis; Torsion; Neonate
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