Orthopaedics General 4504ed7e Stellate ganglion block is useful in- A Sudeck osteodystrophy B Compound palmar ganglion C Tenosynovitis D Osteoarthritis of first CMC joint High-Yield Explanation Sympathetic nerve block is used in RSD :- Stellate ganglion block for upper extremity RSD and L1 - L3 block for lower extremity.