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Atallah A. Shaaban<br />
112<br />
<strong>Basic</strong> <strong>Urology</strong><br />
- Two forms:<br />
a) Hard painless papilliferous mass.<br />
b) Ulcerative with indurated base.<br />
- Local infection is common causing evil-smelling discharge which<br />
later becomes blood-stained.<br />
- Concomitant balano-posthitis.<br />
- Enlarged inguinal lymph nodes: inflammatory or infiltrative (fixed<br />
or even ulcerating).<br />
PRIAPISM: (Table 13)<br />
Low-flow (ischemic priapism):<br />
- Persistant or prolonged (>4hours), painful, purposeless (in the<br />
absence of sexual stimulation) penile erection.<br />
- More common.<br />
- Cavernosal blood gas analysis shows hypoxia and acidosis due<br />
to ischemia of corpus cavernosa and veno-occlusive mechanism<br />
(pO 2 60, pH
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