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Testicular atrophy after mumps orchitis: ultrasonographic findings

Ultrasonography 2020년 39권 3호 p.266 ~ 271
최현일, 양달모, 김현철, 김상원, 정현석, 문성경, 임주원,
소속 상세정보
최현일 ( Choi Hyeon-Il ) - Kyung Hee University Hospital at Gangdong Department of Radiology
양달모 ( Yang Dal-Mo ) - Kyung Hee University Hospital at Gangdong Department of Radiology
김현철 ( Kim Hyun-Cheol ) - Kyung Hee University Hospital at Gangdong Department of Radiology
김상원 ( Kim Sang-Won ) - Kyung Hee University Hospital at Gangdong Department of Radiology
정현석 ( Jeong Hyun-Seok ) - Kyung Hee University Hospital at Gangdong Department of Radiology
문성경 ( Moon Sung-Kyung ) - Kyung Hee University Hospital Department of Radiology
임주원 ( Lim Joo-Won ) - Kyung Hee University Hospital Department of Radiology

Abstract


Purpose: The purpose of this study was to describe the ultrasonographic findings of testicular atrophy after mumps orchitis.

Methods: We retrospectively reviewed the case files of eight patients (14 to 24 years old; mean, 17 years) with mumps orchitis and testicular atrophy who were treated between January 2011 and September 2017. On gray-scale and color Doppler, the ultrasonographic features of volume, shape, echogenicity, and degree of blood flow in the testes were analyzed as part of both initial and follow-up ultrasonography. The duration between the initial diagnosis of mumps orchitis and the ultrasonographic diagnosis of testicular atrophy after mumps orchitis ranged from 25 to 230 days (mean, 95.9 days).

Results: Of the eight patients with testicular atrophy after mumps orchitis, the testes were affected unilaterally in seven patients (6 right-sided and 1 left-sided) and bilaterally in one patient. The affected testes (n=9) were 23%-55% (mean, 44.7%) smaller in volume (mean, 6.3±2.0 mL) than the contralateral normal testes (n=7) (mean, 10.8±2.3 mL) on follow-up ultrasonography (P=0.001). The shape of the atrophic testes was oblong in seven cases and elliptical in two cases. The atrophic testes were either heterogeneously hypoechoic with multiple hyperechoic islands (n=7) or heterogeneously hyperechoic (n=2). On follow-up color Doppler ultrasonography, the degree of vascularity of the atrophic testis was either similar to (n=3) or lower than (n=6) that of the contralateral testis.

Conclusion: On ultrasonography, atrophic testes after mumps orchitis tended to exhibit an oblong shape, heterogeneous low echogenicity with multiple hyperechoic islands, and decreased vascularity.

키워드

Testis; Mumps; Mumps orchitis; Testicular atrophy; Ultrasonography; Color Doppler ultrasonography

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