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CSF cytology and HIV serology were both negative. EMG, however, confirmed the clinical findings of polyradiculopathy. T1W and T2W MRI of the lumbar spine demonstrated diffuse thickening of the nerve roots of the cauda equina, which enhanced following intravenous gadolinium administration (Figs. 1 and 2). No parenchymal involvement was seen.
Lumbar bulging disc â Spanning from the waist to the hips, the lumbar region of the spine includes five, or sometimes six, vertebrae described as L1-L5 (and L6). Lumbar disc problems are the most widespread cause of lower back pain, which can be dull, sharp or burning and radiate to the buttocks, legs and feet. Lumbar bulging discs can also result in weakness, numbness and tingling in the legs, as well as muscle spasms. Symptoms of a lumbar bulging disc can worsen with coughing, sneezing and bending. When a lumbar bulging disc exerts pressure on the sciatic nerve, the resulting symptoms are commonly referred to as sciatica. In rare cases, patients with a lumbar bulging disc might experience a loss of bladder or bowel control.