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Inguinal percutaneous ultrasound to locate cryptorchid testes
Author(s) -
Coomer R. P. C.,
Gorvy D. A.,
McKane S. A.,
Wilderjans H.
Publication year - 2016
Publication title -
equine veterinary education
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 31
eISSN - 2042-3292
pISSN - 0957-7734
DOI - 10.1111/eve.12419
Subject(s) - medicine , ultrasound , percutaneous , abdomen , false positive paradox , laparotomy , radiology , laparoscopy , inguinal hernia , surgery , inguinal canal , hernia , machine learning , computer science
Summary Standing laparoscopic removal of abdominally retained cryptorchid testes may reduce patient morbidity and speed recovery compared with traditional laparotomy because anaesthesia is avoided and skin incisions are smaller. Reliably locating the testis preoperatively is therefore optimal to avoid unnecessary surgical morbidity and expense. We describe and review the results of a simple method of location using ultrasound scanning of the inguinal region, with a negative result indicating abdominal retention. One hundred and twenty‐seven horses with 141 cryptorchid testes were identified. Eighty‐five testes were identified inguinally: 56 abdominal. Two inguinally retained testes were not observed on ultrasound (false negatives) and 2 testes were considered inguinal but subsequently had to be removed from the abdomen (false positives). Sensitivity of inguinal ultrasound to predict the location of cryptorchid testes was therefore 98% and specificity 97%. The technique described herein proved a reliable technique to locate cryptorchid testes prior to surgery, minimising morbidity and cost. Suspect cryptorchids with no external evidence of testes should undergo a screening blood test prior to this ultrasound method of diagnosis.

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