Left Knee Pain in a 7 1/2-Year-Old Boy
Harish S. Hosalkar, MD, MBMS (Orth), FCPS (Orth), DNB (Orth), Kelly M. Axsom, BA, Lawrence Wells, MD, Leslie Moroz, BA, and John P. Dormans, MD
Dr. Hosalkar is Senior Resident and Clinical Instructor, Department of Orthopedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania.
Ms. Axsom is Research Coordinator, Division of Hematology, Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania.
Dr. Wells is Attending Orthopedic Surgeon, and Dr. Dormans is Professor and Chief, Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania.
Ms. Moroz is Medical Student, Thomas Jefferson University, Philadelphia, Pennsylvania.
Abstract not available. Introduction provided instead.
This case is presented to illustrate the imaging and clinical findings of a condition of interest to orthopedic surgeons. The initial findings are noted on the first 2 pages, along with the diagnostic considerations and differential diagnoses as additional information is obtained as the clinical investigation proceeds. The correct diagnosis is discussed beginning on the third page.