What is the syndrome in this case ?

A 21year-old male presented to MEDIC with a month history of bilateral legs weakness.

 Hypersignal on T2WI

 Hypersingal on T1WI

 Axial T1W

 T1WI FASAT.

 On further questioning he said that he has a previous  rectal endoscopy showed polyp intra colon

 The past history of skin abdominal operation at the age of 13 years.

SPINAL AVM

A 41-year-old male presented to MEDIC with quadraplegia. These symtoms have been presented for the last 4 years and have become progressively worse.

 T2W

 t1w gado