Scant information is available on the ultrasonographic appearance of different testicular tumors in the stallion. Preoperative ultrasound imaging and gross and microscopic features of a testicular teratoma in a horse is described. An asymptomatic 4 years old cryptorchid Arabian horse was admitted for orchiectomy. Combined transabdominal and inguinal ultrasound examination revealed a large complex ovoid mass, containing both solid and cystic elements with internal echoes, located dorsally to the superficial inguinal ring. Two main hypoechoic cavities divided by a linear hyperechoic septum were evident, with a hyperechoic circular structure inside the lumen of the largest one. A tumor of the undescended testis was suspected. Ultrasound findings guided a provisional diagnosis of teratoma that was confirmed by histology following surgical removal of the tumor. Due to the correspondence between ultrasonographic and morphological features, trans-abdominal ultrasonography was conclusive in the preoperative planning.

Mature teratoma arising from an undescended testis in a horse: comparison between ultrasonographic and morphological features / Pasolini, MARIA PIA; DELLA VALLE, Giovanni; Pagano, TERESA BRUNA; Miele, Federica; Paciello, Orlando; Fatone, Gerardo; Greco, Michele. - In: FOLIA MORPHOLOGICA. - ISSN 0015-5659. - 75:2(2016), pp. 211-215. [10.5603/FM.a2015.0088]

Mature teratoma arising from an undescended testis in a horse: comparison between ultrasonographic and morphological features

PASOLINI, MARIA PIA;DELLA VALLE, GIOVANNI;PAGANO, TERESA BRUNA;MIELE, FEDERICA;PACIELLO, ORLANDO
;
FATONE, GERARDO;GRECO, MICHELE
2016

Abstract

Scant information is available on the ultrasonographic appearance of different testicular tumors in the stallion. Preoperative ultrasound imaging and gross and microscopic features of a testicular teratoma in a horse is described. An asymptomatic 4 years old cryptorchid Arabian horse was admitted for orchiectomy. Combined transabdominal and inguinal ultrasound examination revealed a large complex ovoid mass, containing both solid and cystic elements with internal echoes, located dorsally to the superficial inguinal ring. Two main hypoechoic cavities divided by a linear hyperechoic septum were evident, with a hyperechoic circular structure inside the lumen of the largest one. A tumor of the undescended testis was suspected. Ultrasound findings guided a provisional diagnosis of teratoma that was confirmed by histology following surgical removal of the tumor. Due to the correspondence between ultrasonographic and morphological features, trans-abdominal ultrasonography was conclusive in the preoperative planning.
2016
Mature teratoma arising from an undescended testis in a horse: comparison between ultrasonographic and morphological features / Pasolini, MARIA PIA; DELLA VALLE, Giovanni; Pagano, TERESA BRUNA; Miele, Federica; Paciello, Orlando; Fatone, Gerardo; Greco, Michele. - In: FOLIA MORPHOLOGICA. - ISSN 0015-5659. - 75:2(2016), pp. 211-215. [10.5603/FM.a2015.0088]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/613701
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