presenting a risky difficult case, 34/m, quadruparetic, large intra spinal cord tumor with whole cord syrinx, successfully removed, patient recovering with improved movements after initial complete paralysis due to spinal shock

18yrs/F with Chronic LBA, Progressive lower limb weakness and sensory impairment,patent sphincter control, sensory level below umblicus,B/l Babinski,power grade 4.DIAGNOSIS AND APPROACH??

16 year female patient with H/o swelling in left upper neck for 2 years and weakness in left upper and lower limbs for last 1 year.Now, power in left limb is 3/5. Diagnosis and approach please??

A 30 years male patient came with symptoms of Quadpariperisis,pain over back,arm,legs.loss of bladder function. please diagnose and suggest treatment..

What disorder is depicted in the image given and specify it's cause?