Is it dangerous to have a perfectly round bald spot on your scalp?

Is it dangerous to have a perfectly round bald spot on your scalp?

1. Introduction Discovering a perfectly round bald spot on the scalp is an alarming experience, but from a purely physiological standpoint, it is typically not dangerous or life-threatening. This highly specific clinical presentation—a sharply circumscribed area of total hair loss surrounded by entirely normal, healthy hair—is the classic hallmark of alopecia areata. This dermatological condition … Read more