Lateral Decubitus Digital Subtraction Myelography: Tips, Tricks, and Pitfalls

Area of Science:

• Medical Imaging
• Neurosurgery
• Radiology

Background:

• Spinal cerebrospinal fluid (CSF) leaks can cause significant neurological symptoms.
• Accurate localization of CSF leaks is crucial for effective treatment.
• Spontaneous spinal CSF leaks and CSF-venous fistulas require precise diagnostic methods.

Purpose of the Study:

• To highlight the diagnostic value of digital subtraction myelography (DSM) for spinal CSF leaks.
• To emphasize the utility of lateral decubitus DSM in diagnosing CSF-venous fistulas.
• To provide guidance on techniques and potential challenges in DSM.

Main Methods:

• Digital subtraction myelography (DSM) for spinal CSF leak detection.
• Lateral decubitus digital subtraction myelography for CSF-venous fistula assessment.
• Comparison of DSM techniques with conventional myelography.

Main Results:

• DSM is an excellent tool for assessing various CSF leak types.
• Lateral decubitus DSM is increasingly used for CSF-venous fistula diagnosis.
• DSM requires specific equipment, supplies, and techniques distinct from CT/fluoroscopy.

Conclusions:

• Digital subtraction myelography is vital for diagnosing spinal CSF leaks.
• Familiarity with DSM techniques, pitfalls, and artifacts enhances diagnostic accuracy.
• Lateral decubitus DSM offers specific advantages for CSF-venous fistula evaluation.