Expected headings
"Types"
"Fluoroscopy"
"First branchial cleft fistulae are rare congenital malformations arising from the branchial apparatus during embryogenesis 1-5. They are often in close relation to the parotid gland, facial nerve, external auditory canal and the anterior neck near the angle of the mandible 1,2,5. Diagnosis can be established clinically and confirmed using various imaging modalities, including fistulography, ultrasound, CT and MRI 1-5."
"histologically include squamous epithelium, cartilage and adnexal structures"
"MRI provides a high degree of soft-tissue resolution and can be used to define lesions 2. However, Ultrasound and CT fistulography are more widely used."