Aim: this prospective study was undertaken to evaluate the results after asymmetric excision and primary closure with a 
lateralized wound in patients with Sacrococcygeal pilonidal sinus disease (SPSD). 
Methods: from February 2002 to November 2004, a total number of 40 patients with SPSD (recurrent in 9 patients) were 
treated by asymmetric excision and primary closure with a lateralized wound in our colorectal surgery unit. They were 
32males and 8 females with a mean age 26.02 years. Patients were followed up thereafter for about 6- 31 months 
(mean 20.02 ± 6.49). 
Results: recurrence had occurred in 2(5%) patients; wound infection had occurred in 1(2.5%) patient, wound dehiscence in 2(5%) patients and subcutaneous seroma in 3 (7.5%) patients. the mean hospital stay was 6.6 ± 2.2 days and complete healing was achieved in a mean period of 15.8 days 
Conclusion: the asymmetric excision with a lateralized wound closure is simple and excellent option for treatment of 
primary or recurrent SPSD with a low recurrence rate, low morbidity, short hospital stay and good long-term results