Shuang Li1, Bo Chen2, Xin Fang1, Min Wan3, Dehong Cao2, He Xu4,5, Liangren Liu2, Qiang Wei2, Jianqun Yu1. 1. Department of Radiology, West China Hospital, Sichuan University, Chengdu, China. 2. Department of Urology, West China Hospital, Sichuan University, Chengdu, China. 3. Department of Ultrasonography, West China Hospital, Sichuan University, Chengdu, China. 4. Department of Urology, The Third People's Hospital of Chengdu, Chengdu, China. 5. The Affiliated Hospital of Southwest Jiaotong University, Chengdu, China.
Abstract
BACKGROUND: There is a concerning underdiagnosis of testicular and/or epididymal tuberculosis (TB). A lack of clinician awareness has led to many patients undergoing unnecessary surgeries. The purpose of this series was to enhance understanding of testicular and/or epididymal TB based on clinical, ultrasonic, computed tomography (CT), and magnetic resonance imaging (MRI) features from the past decade. METHODS: We retrospectively investigated the medical records of 69 patients diagnosed with testicular and/or epididymal TB from 2008 to 2019. All participants were diagnosed by confirmation of Mycobacterium tuberculosis in the histopathology of resected samples. Baseline characteristics, ultrasonic, CT, and MRI features were collected for analysis. RESULTS: A total of 69 patients with a median age of 43.5 years were included in the study. Testicular-epididymis TB, epididymal TB, and testicular TB were confirmed in 31 (44.9%), 26 (37.7%), and 12 (17.4%) patients, respectively. In sonography, testicular TB and epididymal TB imaging features are significantly different (P<0.001). Diffusely enlarged lesion heterogeneously (33/58, 56.9%) is most common in the epididymis, and miliary type (18/39, 46.2%) is most common in the testis. On enhanced CT, annular or multilocular enhancement pattern (19/21, 90.5%) was the characteristic manifestation of our patients. CONCLUSIONS: Laboratory findings [especially T lymphocyte spot test for tuberculosis infection (T-SPOT.TB)], accompanied by scrotal sonography and enhanced CT examinations, can help distinguish testicular and/or epididymal TB from other etiologies. 2021 Quantitative Imaging in Medicine and Surgery. All rights reserved.
BACKGROUND: There is a concerning underdiagnosis of testicular and/or epididymal tuberculosis (TB). A lack of clinician awareness has led to many patients undergoing unnecessary surgeries. The purpose of this series was to enhance understanding of testicular and/or epididymal TB based on clinical, ultrasonic, computed tomography (CT), and magnetic resonance imaging (MRI) features from the past decade. METHODS: We retrospectively investigated the medical records of 69 patients diagnosed with testicular and/or epididymal TB from 2008 to 2019. All participants were diagnosed by confirmation of Mycobacterium tuberculosis in the histopathology of resected samples. Baseline characteristics, ultrasonic, CT, and MRI features were collected for analysis. RESULTS: A total of 69 patients with a median age of 43.5 years were included in the study. Testicular-epididymis TB, epididymal TB, and testicular TB were confirmed in 31 (44.9%), 26 (37.7%), and 12 (17.4%) patients, respectively. In sonography, testicular TB and epididymal TB imaging features are significantly different (P<0.001). Diffusely enlarged lesion heterogeneously (33/58, 56.9%) is most common in the epididymis, and miliary type (18/39, 46.2%) is most common in the testis. On enhanced CT, annular or multilocular enhancement pattern (19/21, 90.5%) was the characteristic manifestation of our patients. CONCLUSIONS: Laboratory findings [especially T lymphocyte spot test for tuberculosis infection (T-SPOT.TB)], accompanied by scrotal sonography and enhanced CT examinations, can help distinguish testicular and/or epididymal TB from other etiologies. 2021 Quantitative Imaging in Medicine and Surgery. All rights reserved.
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