1) 日本小児泌尿器科学会学術委員会 (編) : 停留精巣診療ガイドライン. 日小児泌会誌14 : 117─152, 2005
2) Kolon TF, Herndon CD, Baker LA, et al : Evaluation and treatment of cryptorchidism : AUA guideline. J Urol 192 : 337─345, 2014
3) Shibata Y, Kojima Y, Hayashi Y, et al : Optimal cutoff value of contralateral testicular size for prediction of absent testis in Japanese boys with nonpalpable testis. Urology 76 : 78─81, 2010
4) Zundel S, Blumenstock G, Herrmann-Werner A, et al : Undescended testis? How best to teach the physical examination. J Pediatr Urol 12 : 406.e1─406.e6, 2010
5) Kanaroglou N, To T, Zhu J, et al : Inappropriate Use of Ultrasound in Management of Pediatric Cryptorchidism. Pediatrics 136 : 479─486, 2015
6) Adesanya OA, Ademuyiwa AO, Evbuomwan O, et al : Preoperative localization of undescended testes in children : comparison of clinical examination and ultrasonography. J Pediatr Urol 10 : 237─240, 2014
7) Kantarci M, Doganay S, Yalcin A, et al : Diagnostic performance of diffusion-weighted MRI in the detection of nonpalpable undescended testes : comparison with conventional MRI and surgical findings. AJR Am J Roentgenol 195 : W268─W273, 2010
8) Kojima Y, Mizuno K, Hayashi Y, et al : Laparoscopic management of nonpalpable testis : new treatment strategy. J Endourol 25 : 635─640, 2011
9) Kanemoto K, Hayashi Y, Kojima Y, et al : Accuracy of ultrasonography and magnetic resonance imaging in the diagnosis of non-palpable testis. Int J Urol 12 : 668─672, 2005
10) Kato T, Kojima Y, Hayashi Y, et al : Findings of fat-suppressed T2-weighted and diffusion-weighted magnetic resonance imaging in the diagnosis of non-palpable testes. BJU Int 107 : 290─294, 2011
11) Mizuno K, Kojima Y, Kamisawa H, et al : Feasible etiology of vanishing testis regarding disturbance of testicular development : histopathological and immunohistochemical evaluation of testicular nubbins. Int J Urol 19 : 450─456, 2012
12) Mizuno K, Kojima Y, Hayashi Y, et al : Elucidation of distinctive genomic DNA structures in patients with 46,XX testicular disorders of sex development using genome-wide analyses. J Urol 192 : 534─541, 2014
13) Kojima Y, Mizuno K, Nakane A, et al : Long-term physical, hormonal, and sexual outcome of males with disorders of sex development. J Pediatr Surg 44 : 1491─1496, 2009
14) Mizuno K, Kojima Y, Nishio H, et al : Transumbilical laparoendoscopic single-site gonadectomy for Turner's syndrome with Y-chromosome mosaicism. J Pediatr Urol 8 : e39─e42, 2012