rare; raised, flat, violet-colored bumps on the glans of the penis; sometimes have fine white streaks and a smooth surface; lesions often appear in a ring or a line; may also occur on wrists, shins, buccal mucosa;
Ix in addition to bloods, blood cultures, etc may include:
XR to visualize extent of subcutaneous air
US
CT scan
emergent IV antibiotics and surgery
Penile Mondor's disease (PMD) - thrombus of dorsal vein
a rare genetic condition which causes thrombophlebitis of the dorsal vein of the penis (as well as potentially other body regions such as chest, abdominal wall, upper arm)
may affect any age who are sexually active
thrombophlebitis usually occurs following either:
very frequent or rough sex
trauma to the penis
use of a penile vacuum
clinical features:
swollen dorsum of penis with a tender, rope-like vein on the dorsum
often have difficulty passing urine
diagnosis
ultrasound
Mx
abstinence from sex for 2-4 weeks or until symptoms fully resolve