Menière's disease - roentgenologic diagnosis

Area of Science:

• Radiology
• Otolaryngology
• Anatomy

Background:

• Menière's disease diagnosis relies on clinical symptoms.
• Radiologic assessment of the vestibular aqueduct is crucial for surgical planning.
• Accurate imaging can guide procedures like saccotomy.

Purpose of the Study:

• To evaluate the role of tomographic reproducibility of vestibular aqueducts in Menière's disease diagnosis.
• To highlight the importance of the vestibular aqueduct's external aperture characteristics for preoperative planning.
• To correlate periaqueductal and infra labyrinthine pneumatization with endolymphatic sac anatomy.

Main Methods:

• Tomographic imaging of the vestibular aqueducts.
• Analysis of external aperture size and location relative to semicircular canals.
• Assessment of periaqueductal and peri-infralabyrinthine pneumatization patterns.

Main Results:

• Vestibular aqueduct tomographic reproducibility is not a reliable diagnostic criterion for Menière's disease.
• External aperture size and location provide valuable preoperative information.
• Lack or sparseness of periaqueductal pneumatization is common in Menière's disease.
• Pneumatization patterns influence the position of the endolymphatic sac's extraosseous part.

Conclusions:

• Radiologic diagnosis in Menière's disease should focus on external aperture details, not reproducibility.
• Imaging of the vestibular aqueduct's external aperture aids in understanding endolymphatic sac anatomy for surgery.
• Pneumatization patterns are key factors in vestibular aqueduct morphology and endolymphatic sac location.