The usefulness of sequential isotopic angiography of the scrotum for study of the varicocele.

132 patients were examined by Sequential Isotopic Scrotal Angiography (SISA) to determine whether or not they had primary varicoceles. The results with SISA were more reliable than those of clinical examination and scrotal telethermography. It is a rapid, simple and essentially harmless procedure that also provides pictures that can clearly present the situation to the patient. The principal indications for the examination are to confirm the presence of small varicoceles and to look for clinically non-detectable (subclinical) varicoceles.