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Advice on total AVN of Scaphoid

Description of patient: Age 23, male, active lifestyle, good health, right hand dominant

Cause of injury: Cutting down small trees with a heavy duty weed-eater . Injury occurred due to over-flexion (ulnar deviation) of right wrist while striking the tree. To elaborate: The weed-eater was in a fixed position on the right side of my body, with my right hand (posterior side facing up) gripping the top handle & my left hand on the base handle. Then, rotated my body fiercely (from right to left) and connected with the tree. During this instance I was careless with my form and, as a result, my wrist took the brunt of the force. It seemed insignificant at first, so I didn't give it serious thought until much later.

During my first orthopedist visit (roughly 6 months after injury), it turned out that, after seeing an x-ray, my scaphoid bone had begun to shrink. There were no visible fractures, so the doctor ordered an MRI. Due to personal circumstances, I was not able to continue seeing the doctor and went a year without treatment. This past year the pain has been minimal, with (what feels like) roughly 30% ROM loss and 15% strength loss. Severe pain only when forced to bend too far in any direction.

Currently I am pursuing treatment again, and I've met with the same orthopedist. During this visit I was given another x-ray, and it showed that my scaphoid has broken in half and died completely. Total avascular necrosis. Upon seeing this x-ray, my doctor immediately suggested a scaphoid excision with radiolunate arthrodesis.

After some research, it seems that scaphoid excision with partial fusion is one of my best options for keeping as much ROM and strength as possible. The part that bothers me is that my doctor came to this conclusion seconds after seeing a single x-ray. He didn't suggest any other scans to check for damage to my ligaments or tendons, and he didn't offer any other methods. This seemed weird to me, especially since the initial x-ray didn't show a fracture. The AVN scaphoid obviously needs to be dealt with, but doesn't the origin of the injury matter? Doesn't it matter what caused the initial blood-supply loss?

Also, I did some research on a titanium-implant. Assuming I meet the requirements for this precedure, is this something advisable? I was only able to find a small amount of information.

MAIN QUESTION:
Based on the limited information I have given you, what are your thoughts on (1) my doctor's advice, (2) the titanium implant and (3) other options?

Also, I have scheduled an appointment with another orthopedist for a second opinion.
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