The patient presents with non-healing ulcers of the neck and one of the external auditory canals. Diagnosis is confirmed by injecting methylene blue dye into the neck opening, and dye coming out of the opening in the external auditory canal. Computerized tomography fistulogram can yield more accurate results regarding the course of the fistula.
Collaural fistula
Cimino fistula
Urachal fistula
Vaginitis emphysematosa
Urachal diverticulum
Galactocele
Chirurgia magna
Urachal cyst