The seagull excision technique for pilonidal sinus disease
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By
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C. Sahin
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S. Leventoglu
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October 23, 2025
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Clinical Scorecard: The Seagull Technique for Surgical Management of Pilonidal Sinus Disease
At a Glance
| Category | Detail |
| Condition | Pilonidal sinus disease, a chronic infection of the natal cleft skin and subcutaneous tissue |
| Key Mechanisms | Off-midline advancement flap technique with tension-free closure and lateralization of the natal cleft |
| Target Population | Patients aged 18 years and older with pilonidal disease type 3, 4, or 5 (Tezel classification), excluding acute abscess or asymptomatic cases |
| Care Setting | Surgical management in an operative setting under spinal anesthesia |
Key Highlights
- Seagull technique uses a gluteal advancement flap shaped like seagull wings for off-midline closure
- Significantly lower surgical site infection (2%) and wound complication rates (12%) compared to Bascom cleft lift
- Recurrence rates comparable to cleft lift (4% vs 6%) with similar pain and cosmetic outcomes
Guideline-Based Recommendations
Diagnosis
- Clinical diagnosis based on symptoms: pain, swelling, erythema, discharge in the natal cleft
- Use Tezel classification to stage disease; include types 3-5 for surgical intervention
Management
- Select seagull or cleft lift technique for patients without acute abscess and with midline sinus tracts
- Perform surgery under spinal anesthesia in prone jackknife position
- Administer prophylactic cefazolin 2 g preoperatively
- Excise all pathological tissue with seagull-shaped off-midline incision extending 4–5 cm superior to anal verge
- Elevate and advance a 1 cm thick, 3 cm wide lateral flap medially for tension-free closure
- Place Jackson-Pratt drain and close wound in layers with absorbable sutures
Monitoring & Follow-up
- Postoperative evaluations at 1 week, 1 month, 3 months, and 6 months for wound healing, complications, and recurrence
- Remove drain on postoperative days 4–5
- Advise avoidance of sitting for first postoperative week
- Assess pain on postoperative day 1 and cosmetic outcomes at 6 months
Risks
- Potential for surgical site infection and wound complications, though reduced with seagull technique
- Recurrence risk remains present; similar between seagull and cleft lift techniques
- Increased tension and risk if sinus tracts are closer than 4–5 cm to anal verge, contraindicating seagull technique
Patient & Prescribing Data
Adults with pilonidal sinus disease type 3-5 without acute abscess
Seagull technique offers lower infection and complication rates with comparable recurrence and cosmetic results to cleft lift
Clinical Best Practices
- Surgeons should have experience with advancement flap procedures and detailed knowledge of natal cleft anatomy
- Ensure meticulous hemostasis and flap mobilization for tension-free closure
- Avoid seagull technique if sinus tracts are too close to anal verge to prevent tension
- Recommend patients avoid sitting for one week and delay return to physical labor for at least four weeks
- Use prophylactic antibiotics and proper wound drainage to minimize complications
References