Endoscopic Observations for the Diagnosis of Olfactory Disturbance

Spontaneous Cerebrospinal Fluid Rhinorrhea Through the Cribriform Plate Fistula Cured by Endonasal Surgery: Transseptal Submucoperiosteal Obliteration of the Olfactory Cleft

“…A fine endoscope is useful in determining whether CSF is leaking directly from the cribriform plate. A fine rigid endoscope with 90‐degree and 60‐degree view angles (1.7 mm in diameter, SES‐A7007; Olympus, Tokyo, Japan) is routinely used at our clinic to investigate the olfactory cleft for examination of olfactory impairment 12 …”