Fig. 4
From: The value of magnetic resonance neurography in evaluation of sciatic neuropathy
A 45-year-old female patient (a known case of seronegative arthropathy), presented clinically with severe right sciatic pain referred to the right buttock and thigh with numbness and weakness. Electrophysiological studies showed prolonged F wave latency, + ve ipsilateral straight leg raising test. Sagittal LS MRI shows no significant disk lesions (A). Pelvic MRN shows thickened and high signals in the right sciatic nerve with bilateral sacro-iliitis, more on the right side (Arrows in B and C)