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

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Pasolini M. P., Della Valle G., Pagano T. B., Miele F., Paciello O., Fatone G., Greco M.

Folia Morphologica

2016

tom 75

nr 2

Scant information is available on the ultrasonographic appearance of different testicular tumours 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 tumour of the undescended testis was suspected. Ultrasound findings guided a provisional diagnosis of teratoma that was confirmed by histology following surgical removal of the tumour. Due to the correspondence between ultrasonographic and morphological features, trans-abdominal ultrasonography was conclusive in the preoperative planning. (Folia Morphol 2016; 75, 2: 211–215)

Ograniczanie wyników

1 Folia Morphologica

1 Della Valle G.

1 Fatone G.

1 Greco M.

1 Miele F.

1 Paciello O.

1 Pagano T. B.

1 Pasolini M. P.

1 2016

Wyniki wyszukiwania

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