Abstract：
OBJECTIVES:To report the long-term results in 7 patients (including the 5-year results in 3 patients) after high-intensity focused ultrasonography (HIFU) combined with irradiation to treat testicular tumors in a solitary testis. METHODS:Transcutaneous HIFU ablation of testicular tumors is based on a technique using a piezoceramic transducer operating at 4.0 MHz with a site intensity of 1600 to 2000 W/cm2. In a Phase II trial, 7 patients with the typical sonographic pattern of a tumor in a solitary testis were treated with transcutaneous HIFU, as a minimally invasive organ-preserving approach, followed 6 weeks later by prophylactic testicular irradiation (range 18 to 20 Gy). The aim was to ablate the entire cancer in a single therapeutic HIFU session. In all 7 patients, the contralateral testis had previously been removed because of testicular cancer. RESULTS:One patient received two cycles of chemotherapy for a single suspicious retroperitoneal lymph node diagnosed 6 months after HIFU. The other 6 protocol-treated patients remained tumor free at a mean follow-up of 42 months (range 3 to 93). One patient, who had refused postoperative irradiation, developed a recurrent tumor within 6 months. No patient showed any signs of clinical hypogonadism, and the International Index of Erectile Function score was normal for all patients. No androgen substitution was necessary. The only adverse effect noted was a small thermal lesion of the scrotum in 1 patient. CONCLUSIONS:Despite the lack of tumor histologic examination, transcutaneous HIFU followed by irradiation permits a minimally invasive, organ-preserving, curative treatment for tumors in a solitary testis.
journal_name
Urologyjournal_title
Urologyauthors
Kratzik C,Schatzl G,Lackner J,Marberger Mdoi
10.1016/j.urology.2005.12.001subject
Has Abstractpub_date
2006-06-01 00:00:00pages
1269-73issue
6eissn
0090-4295issn
1527-9995pii
S0090-4295(05)01732-2journal_volume
67pub_type
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