55-year-old female with acute-on-chronic, rapidly progressive numbness and weakness. She first noted numbness and tingling in her feet over 8 years ago, but with rapid progression over the past year up to her trunk and hands. She presented to the ER after falling in the house, laying on the floor for hours, unable to be lifted by her husband. Examination revealed several bruises, symmetric wasting of upper and lower extremity muscles, proximal greater than distal weakness, loss of pinprick, vibration and temperature sensation from toes up to the thighs. She was areflexic with bowel and bladder incontinence and urine retention of 1L on arrival. She gave a history of excessive alcohol intake since her teenage years, with a heavy increase in intake over the COVID pandemic due to loss of employment and depression.
Low folic acid, ESR 72, CT abdomen notable for steatohepatitis, fecal loading and urine retention. CSF analysis showed no albumino-cytological dissociation.
Autoimmune workup, RPR, B12, serum copper, CSF paraneoplastic panel, CT chest, MRI brain and complete spine were unremarkable.
EMG/NCV showed moderate, length dependent, sensory-motor axonal polyneuropathy.