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Hand, Elbow, Shoulder, and Complex Microvascular Reconstruction
15 years of experience
Video profile

Education ?

Medical School Score
Medical College of Georgia (1995)
  • Currently 2 of 4 apples
Wilford Hall Medical Center (2002) *
The Hand Center of San Antonio (2003) *
* This information was reported to Vitals by the doctor or doctor's office.

Awards & Distinctions ?

Top Ten Doctors (2012)
College Village
Orthopedic Surgery
American Board of Orthopaedic Surgery

Publications & Research

Dr. Mentzer has contributed to 1 publication.
Title Autogenous Osteochondral "plug" Transfer for the Treatment of Focal Chondral Defects: Postoperative Mr Appearance with Clinical Correlation.
Date December 2001
Journal Skeletal Radiology

OBJECTIVE: To describe the MR appearance following autogenous osteochondral "plug" transfer for the treatment of focal chondral defects of the knee. DESIGN AND PATIENTS: Twenty-nine 1.5-T MR knee studies including dynamic gadolinium enhancement were performed on 21 patients following autogenous osteochondral "plug" transfer. Three musculoskeletal radiologists retrospectively reviewed images to evaluate graft and donor site appearance and MR findings were correlated with clinical outcomes. RESULTS: MR images demonstrated graft protuberance (n=12/21; range 1-2 mm), depression (n=2/21; range 1 mm), and surface incongruity: mild (n=17/21), moderate (n=2/21), marked (n=1/21). The T2 signal of graft cartilage was similar to that of adjacent cartilage in 25 of 29 examinations, and increased in four. Graft cartilage thickness relative to adjacent cartilage was <50% in six patients, 50-100% in 15. Graft enhancement in bone was absent at 2 weeks, but present at between 4 and 6 weeks following surgery. All patients had clinical follow-up examinations and knee outcome survey scores were obtained in 15 patients with follow-up greater than 3 months after surgery. All patients demonstrated the expected short-term progressive clinical improvement. CONCLUSION: MR images reveal a wide range of appearances following osteochondral "plug" transfer. Minor variations in graft orientation and surface congruity do not result in adverse clinical outcome in the short term.

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