[Ultrasonography of subclinical primary testicular tumors. Apropos of a Sertoli cell tumor].
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The authors report an original case of an adult presenting with a bilateral Sertoli cell testicular tumour in whom one of the impalpable lesions was detected by routine ultrasonography. This appears to be the first reported description of the ultrasonographic appearance of such a subclinical tumour. The review of 20 published cases reporting the appearance of impalpable primary tumours reveals that in the great majority of cases the echostructure is hypoechoic and therefore does not present any histological specificity, and that these tumours tend to be essentially seminomas or Leydig cell tumours. The indications for scrotal ultrasonography in the detection and follow-up of scrotal tumours are discussed.
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