This study was performed to assess the accuracy of high-resolution sonography in measuring penile carcinoma. The sonographic measurement of tumor extent was compared with clinical and pathologic measurements. The tumor extent measured by gross pathologic evaluation on cut sections of the fresh penectomy specimen was used as the definitive standard. The error in measuring the extent of tumor by sonography was not related to the site of the tumor. There was no significant association between echogenicity and tumor morphology or grade.
Sonography gives a more accurate estimate of penile tumor extent than does physical examination.
Routine use of sonography for such measurements should enable preservation of more of the penis. Penile metastasis is rare. It occurs in the advanced stage of genitourinary cancer, with many other metastases in various organs. All 7 patients with penile metastasis of renal cell cancer, reported in the Japanese literature, died within a year. Our case was not the exception.