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Diagnosis: Image Findings from MR Neurography
Animation: These images demonstrate image findings observed in severe cases of piriformis syndrome when MR Neurography is used with soft tissue MR pelvis imaging protocols.
(A) Coronal T2-weighted neurographic image section. The yellow arrows indicate the sciatic nerves at the point of passage through the sciatic notch - the sciatic nerve on the left demonstrates hyperintensity.
(B) Axial T1-weighted MR image showing asymmetry in the size of the piriformis muscles. This may reflect either hypertrophy on the right or atrophy and spasm on the left. Muscle spasm may change the shape and hardness of a muscle without altering its total volume.
(C) Curved reformat image of the sacral spinal nerves, lumbo-sacral plexus and proximal sciatic nerves again showing the hyperintensity consistent with irritation of the left sciatic nerve and its antecedents.
(D) Axial T2-weighted image showing hyperintensity and loss of fascicluar detail in the left sciatic nerve at the point of passage through the sciatic notch.
Piriformis Syndrome Information | Piriformis Syndrome Diagnosis | Piriformis Syndrome Treatment | |||||||||
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Dr. Aaron Filler is the world’s leading expert in treatment of nerve pain. He has revolutionized nerve-pain treatment by inventing several new technologies. One such technology, MR Neurography, enables doctors to use an MRI scanner to examine nerves — previously a difficult-to-impossible tissue to see through MR imaging. Dr. Filler's research in axonal transport is leading to a whole new generation of advanced pain medications. He has developed many new “minimal access” surgery methods that allow him to treat complex nerve problems with small outpatient surgeries. He has also pioneered the use of the Open MRI scanner to do surgeries and other therapies with the ultra-high precision and safety of the magnetic resonance imaging. 
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