Joined: Feb 2013
Posts: 1,472
Likes: 11
From: Near St. Louis, Missouri
Bikes: Giant Defy Advanced, Breezer Doppler Team, Schwinn Twinn Tandem, Windsor Tourist, 1954 JC Higgens
Not me. Closest to it would be boils from a bad case of saddle sores decades ago. Also some butt callouses (Spel?) from contact with the saddle.
I highly suggest that you ask your doctor about the problem.