title: Umbilical pilonidal sinus.
authors.affiliation: Department of Surgery, Kaiser Permanente Medical Center, Santa Clara, Calif. 95051-5386, USA.
authors.forename: J H
authors.initials: JH
authors.lastname: McClenathan
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005122:Exudates and Transudates; D006204:Hair Removal / Q000379:methods*; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology; D010864:Pilonidal Sinus / Q000150:complications / Q000175:diagnosis* / Q000601:surgery*; D016896:Treatment Outcome; D014472:Umbilicus