Anal fissure - Better Health Channel - Extra hole above anal medical
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Read about anal fistulas, small tunnels that develop in the skin near the anus. The end of the fistula might be visible as a hole in the skin near your anus, although this may be difficult for you to see yourself. When to get medical advice. A sacral dimple is a small indentation in the lower back, just above or within Most sacral dimples are harmless and don't need any medical intervention. centimeters or more above the opening of the anus; marked by a tuft of of extra skin); deep, meaning that there appears to be a hole inside the.