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Use of contrast-enhanced ultrasonography in chronic pathologic canine testes

Volta, A.; Manfredi, S.; Vignoli, M.; Russo, M.; England, G.C.W.; Rossi, F.; Bigliardi, E.; Di Ianni, F.; Parmigiani, E.; Bresciani, C.; Gnudi, G.

Authors

A. Volta

S. Manfredi

M. Vignoli

M. Russo

G.C.W. England

F. Rossi

E. Bigliardi

F. Di Ianni

E. Parmigiani

C. Bresciani

G. Gnudi



Abstract

Contrast-enhanced ultrasound with sulphur hexafluoride microbubbles was performed in seven healthy dogs without a history of reproductive pathology and with histologically confirmed normal testes and in 42 dogs with chronic scrotal anomalies. All dogs underwent orchiectomy and histological examination. Enhancement patterns and perfusion parameters (peak intensity and regional blood flow) of testes of healthy dogs and testes with chronic lesions were compared. Fourteen non-pathologic and 60 pathologic testes were considered. Forty testes were neoplastic (24 interstitial cell tumours, 9 seminomas, 7 Sertoli cell tumours), 20 were non-neoplastic (16 testicular degenerations, 2 chronic orchitis, 1 testicular atrophy, 1 interstitial cell hyperplasia). In healthy dogs, the contrast medium flow had a rapid homogeneous wash-in and wash-out, with a short peak phase. With contrast ultrasound, testes that were inhomogeneous with a hyperenhancing pattern were associated with neoplasia (sensitivity: 87.5%, specificity: 100%). Lesions with persistent inner vessels and a hypoto-isoechoic background were significantly associated with seminomas (sensitivity: 77.8%, specificity: 100%). Testes with non-neoplastic lesions were characterized by a scant/moderate homogeneous enhancement. Perfusion parameters were higher in neoplastic lesions. Contrast ultrasound was a feasible diagnostic tool in the assessment of testicular lesions, with hyperenhancement being an important feature in the diagnosis of malignancy.

Journal Article Type Article
Publication Date Apr 1, 2014
Journal Reproduction in Domestic Animals
Print ISSN 0936-6768
Electronic ISSN 1439-0531
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 49
Issue 2
APA6 Citation Volta, A., Manfredi, S., Vignoli, M., Russo, M., England, G., Rossi, F., …Gnudi, G. (2014). Use of contrast-enhanced ultrasonography in chronic pathologic canine testes. Reproduction in Domestic Animals, 49(2), doi:10.1111/rda.12250
DOI https://doi.org/10.1111/rda.12250
Keywords contrast-ultrasound, testis, neoplasia, chronic lesions, dog
Publisher URL http://onlinelibrary.wiley.com/doi/10.1111/rda.12250/abstract
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information This is the peer reviewed version of the following article: Volta, A., Manfredi, S., Vignoli, M., Russo, M., England, G., Rossi, F., Bigliardi, E., Di Ianni, F., Parmigiani, E., Bresciani, C. and Gnudi, G. (2014), Use of Contrast-Enhanced Ultrasonography in Chronic Pathologic Canine Testes. Reprod Dom Anim, 49: 202–209, which has been published in final form at http://dx.doi.org/10.1111/rda.12250. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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