Category Archives: Skin

What Causes Pilonidal Cyst on the Tailbone?

Causes of Pilonidal Cyst at the Base of Spine Q: Near the base of my spine/tailbone, I noticed what I thought was a small cyst a few days ago. It has now gotten bigger, probably at least the size of a golf ball but not necessarily circular. There is pain while sitting up straight or […]

Flat Plaque Like Growth on Penis

Penile Plaque Lesions Q: I am 21 years old. I have a flat growth, about the size of pinky fingernail, on my penis for about two and a half years. It has some dark spots in it. It does not bleed or hurt. There is no discharge. But I feel pinching sensation in it and […]

Infected Sebaceous Cyst in Armpit

An Infected Cystic Swelling in the Armpit Q: I’m a female and I’m 30 years old. I have had a small pea size lump in my arm pit for about 3 years. I woke up 3 days ago with the lump started hurting and was the size of a walnut. The next day it had […]