A Case of Neonatal Testicular Torsion : Diagnosis by Ultrasonography

Kai Hiroki, Matsuo Susumu

doi:10.11164/jjsps.48.7_1065

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新生児精巣捻転症の1例 : 特に超音波所見についての考察
症例報告新生児精巣捻転症の1例 : 特に超音波所見についての考察
ショウレイホウコクシンセイジセイソウネンテンショウノ 1レイ : トクニチョウオンパショケンニツイテノコウサツ

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Abstract

This report presents a Japanese neonate with testicular torsion. He showed a painless left testicular mass at the age of 3 days. Imaging studies with ultrasonography and computed tomography suggested a testicular neoplasm. Therefore, testicular resection was performed at the age of 5 days. The pathological diagnosis of the resected testis was a hemorrhagic infarction. The cause of testicular torsion in neonates is different from those in infants or in older children. Most cases of neonatal testicular torsion are caused by twisting of the scrotal contents together with tunica vaginalis before fixation to the scrotal subcutaneous tissue. Patients with antenatal testicular torsion do not have definitive symptoms of acute scrotum and local pain. Therefore, the correct preoperative diagnosis and salvage of the affected testis is difficult. Confirmation of the testicular blood supply by color Doppler may misinterpret viability of an affected testis because of extensive blood supplies to the testis. The salvage of an affected testis may be possible if ultrasonography reveals a homogeneous pattern in the testis. It is therefore important to check for the presence of any type of contralateral testicular disorder, because bilateral testicular torsion has been reported by some authors.

Journal

Journal of the Japanese Society of Pediatric Surgeons

Journal of the Japanese Society of Pediatric Surgeons 48 (7), 1065-1069, 2012

The Japanese Society of Pediatric Surgeons

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