Revision arthroscopic surgery after rotator cuff repair with a collagen graft: histologic evaluation of biopsy specimens from two patients

• Larissa E. Wietlisbach, BS,
• Adnan N. Cheema, MD,
• Jui-Han Huang, MD, PhD,
• Xunda Luo, MD,
• G. Russell Huffman, MD, MPH

Affiliations

Larissa E. Wietlisbach, BS

Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA

Adnan N. Cheema, MD

Division of Shoulder and Elbow Surgery, Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN, USA

Jui-Han Huang, MD, PhD

Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA

Xunda Luo, MD

Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA

G. Russell Huffman, MD, MPH

Department of Orthopaedic Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA; Corresponding author: G. Russell Huffman, MD, MPH, Penn Medicine University City, 7th Floor, 3737 Market Street, Philadelphia, PA 19104, USA.