Comparison of Laser Destruction of Pilonidal Sinus Disease (SILAC) and Bascom II Procedure.

Inclusion Criteria

• •1. Written informed consent
• •2. Chronic primary or recurrent pilonidal sinus at the remission stage.
• •3. Presence or absence of secondary orifices.
• •4. Planned surgical treatment with excision of pilonidal sinus.
• •5. Location of the orifices should not be less than 1 cm.
• •6. Location of secondary orifices less 2 cm from the natal cleft.
• •7. Distance between bilateral symmetrical positions of secondary orifices should not be more than 2 cm.
• •8. Length of the sinus in the greatest dimension, according to the ultrasound of the soft tissue of the sacrococcygeal region, should not exceed 7 cm.
• •9. Sinus diameter (width) in the greatest dimension should not exceed 3 cm, according to the ultrasound of the soft tissues of the sacrococcygeal region.
• •10. Sinus must be located directly under the skin, according to the ultrasound findings.
• •11. Lack of fixation of the cavity to the coccyx, when evaluating data on pelvic contrast-enhanced magnetic resonance imaging (MRI)
• •1\. Acute pilonidal sinus abscess 2. The secondary openings (orifice) position more than 3 cm from the midline. 3. Length of the cavity in the greatest dimension, according to the results of ultrasound examination, exceeds 6 cm 4. Width (diameter) of the sinus in the greatest dimension, according to the results of the ultrasound, more than 3 cm.
• •5\. ASA \> III. 6. Predictable impossibility of following the protocol 7. Pregnancy