JOURNAL ARTICLE

Ultrasound-guided core-needle biopsy of the testis for focal indeterminate intratesticular lesions

Edmund Soh, Laurence H Berman, John W Grant, Nigel Bullock, Michael V Williams
European Radiology 2008, 18 (12): 2990-6
18642000
The aim of this study was to evaluate ultrasound (US)-guided core-needle testicular biopsy. Twelve biopsies were performed in eleven patients, under US guidance using disposable 16- or 18-gauge needles, between April 2003 and October 2006. Details were entered on a database and records reviewed 9 months to 3 years after biopsy. Final diagnoses were based on histology of the biopsy, open surgical resection where performed, and interval follow-up. Biopsies were well tolerated and no complications were encountered apart from a single minor testicular haemorrhage. Benign histology was demonstrated on the core-needle samples of six patients and US follow-up was compatible with these diagnoses. Of five patients whose core-needle biopsies yielded malignancy, two patients had primary testicular tumours; both have been treated successfully with orchiectomy and chemotherapy. Three patients with haematological malignancies had successful chemotherapy without orchiectomy; one of these three underwent post-chemotherapy biopsy demonstrating resolution. There are four main clinical scenarios when core-needle testicular biopsy is performed in our institution: (1) lesions with equivocal malignant US features, (2) discrepancy between radiological and clinical findings, (3) suspected malignant process where orchiectomy is unnecessary, e.g. lymphoma, (4) atrophic testes, where it is frequently difficult to differentiate malignancy from the heterogeneous echo pattern.

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