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"The phlebographic study was made on ten patients with varicocele in this department during two years period from May, 1978 to April, 1980. 1. The number of internal spermatic vein was between 1 and 4, showing the highest incidence in 2 vessels (5 cases). 2. The diameter of internal spermatic vein was between 2 and 6 mm, showing the highest incidence in 3 mm (4 cases) and long standing large varicocele developed collateral venous channel (2 cases). 3. Left renal vein-internal spermatic confluence was joined right angle in all cases and internal spermatic vein was demonstrated convoluted, atonic, wide structure without constriction, indicating valvular insufficiency in 6 cases."
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