الفهرس 
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Abstract
During the period between May 2015 and September 2017, we conducted a prospective study to assess functional outcome of arthroscopic management of TFCC tears.
The study includes twenty patients with torn TFCC who underwent arthroscopic management. All patients were selected according the following criteria:
• Age: 18-52 years.
• Athletes and non athletes.
• Failure of conservative treatment in alleviation of patient’s symptoms after 3 months.
Patients with the following criteria were excluded:
• Skeletally immature patients.
• Elderly patients.
• Wrist deformities
• DRUJ arthritis.
Our study included Twenty patients with ulnar-sided wrist pain with no DRUJ instability. Eight patients had superficial ulnar TFCC tears to which arthroscopic repair to the ulnar capsule was done. Twelve patients had central TFCC tears to which arthroscopic debridement was done.
all patients had ulnar sided wrist pain especially with rotating movements (supination and pronation ) of the wrist or movements of the hand sideways in ulnar direction.
Tenderness over ulnar snuff box was found in all patients. Fovea sign and ulno carpal stress test were positive in all patients. Besides, 1 patient had positive Watson’s test (scapho lunate ligament tear) . Piano key sign was negative in all patients (no DRUJ instability).
plain X ray of the wrist : antero posterior& lateral views and
MRI of the wrist : was accurate in 70% of cases in detecting central and peripheral tears of TFCC were done in all patients.
Preoperative preparation : complete laboratory investigation has been done and preparation of wrist arthroscope instruments.
A standard approach for wrist arthroscopy had been used in each patient arthroscopic debridement has been done in patients with central tears and arthroscopic outside in repair technique in patients with peripheral tears.
Postoperatively, we place the upper extremity in a long-arm splint with the forearm in neutral rotation and the wrist in neutral flexion and mild ulnar deviation Until suture removal. Then splint intermittently and begin a therapy program stressing ROM initially, followed by a graduated strengthening program.
Twenty patients were available for follow-up at a mean of 10.93 months. Mayo modified wrist score improved from a mean of 67.32 to a mean of 85.14 (p<0.01). VAS improved from a mean of 7.32 to a mean of 2.26 (p<0.01).