In the event of recurrent infection, pilonidal or sacro-coccygeal cysts must be completely removed, and the skin must be sutured. No curettage, laser therapy, phenol treatment, endoscopic procedures or operations that cause an open wound should be carried out. Indeed, a sacro-coccygeal cyst can be completely removed, and the skin sutured during an ambulatory session, enabling the patient to go home immediately.
The removal of a sacro-coccyx cyst was published in the Medical Video Journal www.crpub.org, in the Other Techniques section. The intervention, performed by Dr. Capurro, describes all the procedures necessary to obtain the desired result. Among these is not trusting the ultrasound.

Complete removal of a sacro coccygeal cyst and immediate skin suture