A sinus tract, or small channel, may originate from the source of infection and open to the surface of the skin. Material from the<unk>  may drain through the<unk>  sinus.  A<unk> <unk>  is usually painful, but with draining, the patient might not feel pain.
Pilonidal cyst physical examination
Chancroid physical examination
Amenorrhea physical examination
Cystitis physical examination
Dermoid cyst physical examination
Scrotal mass physical examination
Urethritis physical examination
Prostatitis physical examination