Ahmed Desouki Hamed Omara  <br/><br/>
A compaarative prospective randomized study of flap closure of pilonidal sinus versus primary closure and healing by secondary intention /  
 دراسة مقارنة بين طرق العلاج الجراحى للناصور العصعصى بالجراحة الشرجية الجلدية مع الاستئصال الجراحى 
Ahmed Desouki Hamed Omara ; Supervised Mostafa Soliman , Ashraf Elsebaie 
 - Cairo :   Ahmed Desouki Hamed Omara ,   2009 
 - 166p. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of General Surgery 
<br/><br/> Pilonidal sinus disease is considered as a chronic intermittent inflammatory process rarely occuurring in congenital cases as extensions of sinus and dura to neural canal .Lately the theory for congenital etiology has been replaced by a theory involving hair insertion to the natal cleft 
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<br/><br/><label>Subjects--Index Terms: </label>Anatomy and definition Etiology and Pathogenesis Incidence