Welcome to Health Care Magic
Your problems are not so bad
there is hope for everything...
The pain is due to nerve irritation
.../ causing muscle spasm ... it s a mechanical event and may need mechanical relief.
See an orthopaedician AND Neurologist
..../ repeat the scan / do nerve conduction and EMG - go for de-compression, if necessary, as it is interfering with your quality of life...Physiotherapy
and relaxation techniques
Drugs like Gabapentin elevate the pain threshold and help...
Apropos Depression - there are several classes of drugs and several drugs in each class. Surely, they could find one that suits you.... You need patience and perseverance...
A second opinion
could be useful...
Wishing speedy recovery