Stenvers projection

Stenvers_projection is a radiographic projection used in the field of radiology to visualize the petrous part of the temporal bone and its surrounding structures. This projection is named after Dutch radiologist, Dr. Berend Stenvers.

Indications

Stenvers_projection is primarily used to assess the petrous part of the temporal bone, which houses the inner ear structures. It is often used in cases of suspected temporal_bone_fracture, cholesteatoma, otitis_media, and other conditions affecting the inner ear.

Technique

The patient is positioned in a prone position with the head tilted 45 degrees towards the affected side. The x-ray tube is angled 12 degrees caudally and centered over the external auditory meatus. The resulting image provides a detailed view of the petrous part of the temporal bone and its surrounding structures.

Interpretation

Interpretation of the Stenvers_projection involves assessing the petrous part of the temporal bone for any signs of fracture, infection, or other abnormalities. The surrounding structures, including the mastoid air cells, middle ear, and inner ear, are also evaluated.

Limitations

While the Stenvers_projection provides a detailed view of the petrous part of the temporal bone, it may not be suitable for all patients. Those with neck or spine injuries may not be able to tolerate the required head positioning. Additionally, this projection may not provide adequate visualization of other parts of the temporal bone or skull base.

See Also

• Radiology
• Temporal_bone
• X-ray

References

• Stenvers, B. (1959). Diagnostic x-ray technique in the ear, nose and throat practice. Archives of otolaryngology, 69(5), 609-619.