The Secondary Opening

The Secondary Opening

The typical pilonidal sinus has three holes in the midline called primary sinuses.

There is usually a single secondary opening off to left. This secondary opening is usually higher than the primary midline pits. But, this is not always the case!

What Is Pilonidal Sinus?

What Is Pilonidal Sinus?

In the early days, doctors thought pilonidal sinus was a dimple in the bum crack present since birth. For this reason, traditionally surgeons would perform a wide excision of the area. An open wound would then take months to heal. In some patients the condition still recurred!