Figure 4.

Cavernosograms of a 57-year-old man in the para-arterial vein group. (A) While the tip of a 19-gauge scalp needle (white asterisk) was positioned in the corpus cavernosum, the para-arterial veins (white arrow), the right cavernosal vein (white arrowhead) and the deep dorsal vein (white curved arrow) were shown following injection of the contrast medium (white asterisk); (B) the para-arterial veins (white arrow) and the deep dorsal vein (white curved arrow) were shown more prominently while the deep dorsal vein and the cavernosal vein were seen beneath the symphysis pubis, and the right femoral vein (white cross) was seen as well; (C) the deep dorsal vein (white curved arrow) and the para-arterial veins (white arrow) with few circumflex veins were presented while the right femoral vein (white cross) was well-demonstrated.