39-year-old male experienced in 1994 intense lower back pain after lifting weights, with spontaneous resolution. In 2006, he again experienced lower back pain radiating into both thighs. A lumbar MRI showed degenerative changes and EMG test showed L5 nerve root irritation. His physical examination demonstrated increased reflexes and a concern for cervical stenosis was entertained. Further cervical MRI and lumbar studies showed arthritic changes, and the thoracic MRI showed evidence of spinal cord compression. The surgeon suggested posterior thoracic laminectomy.

48-year-old male underwent laparoscopic cholecystectomy for symptomatic cholelithiasis. During post-surgery he developed intense abdominal colics and a situation of hepatitis, probably from medicines as the tests carried out. Performed tests revealed changes of haematic values related to the hepato-renal function. MR-cholangiography showed cystic formation in the right lobe of the liver, and tumor markers that gave evidence of an increase of alpha-fetoprotein which should be monitored.

45-year-old male who presented with acute onset of flaccid paraparesis more pronounced on the left, sensation of current shocks in both legs and sensory level from the umbilicus downwards. The symptoms have reached their pick within less than a day. On examination the left lower limb was plegic and the right lower limb was partially weak. EMG was interpreted as demyelinating sensorimotor neuropathy. MRI showed hyperintense signals at the dorsal terminal segment of the marrow consistent with myelitis.