Abstract
Congenital cyst and fistula of the dorsum of the nose is a rare congenital entity. We report a new case of dorsum nasal fistula in a 5 years old male patient that communicates the frontal region with the subcutaneous surface. Radiologic imaging showed a median 5mm defect, in the projection of the metopic suture that leads to a communication between the frontal region and the skin figure. Complete resection was performed by an external approach with vertical incision of the cyst. The histological diagnosis was consistent with a dermoid fistulized cyst. The follow-up displayed unremarkable finding, the patient did not present any diplopia nor decreased visual acuity, or any signs of meningitis or cerebrospinal fluid rhinorrhoea, or saddle nose.
Highlights
Midline fistula of nasal dorsum is deemed a rare congenital anomaly, most often sporadic
We document a new case of dorsum nasal fistula in a 5 years old male enfant that communicates the frontal region with the subcutaneous surface
The most accepted theory is that of Pratt [2], itself emerge from the work of Grunwald [13]. This theory states that nasal dermoid sinus cysts (NDSCs) is the result of incomplete regression of the diverticula of dura;; that is formed up to the end of the second month
Summary
Midline fistula of nasal dorsum is deemed a rare congenital anomaly, most often sporadic. Salhi ENT and Neck and Head surgery department, University Hospital of Marrakech, Morocco. We document a new case of dorsum nasal fistula in a 5 years old male enfant that communicates the frontal region with the subcutaneous surface.
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