was worse during activity and movements of the hip. She reported infrequent catching and locking episodes. On physical examination, the groin was moderately tender to palpation, trochanter irritation sign was negative, and labral impingement and apprehension significantly positive. Her range of motion was decreased for flexion and internal rotation. Radiographic examination revealed small calcifications projecting around the femoral neck (Figure 11.9A,B). Subsequently, a MRI of the right hip was taken showing multiple calcified loose bodies in the peripheral compartment with a significant effusion and signal increase of the synovium (Figure 11.10A,B). No loose bodies were seen within the central compartment including the acetabular fossa. The preoperative diagnosis of synovial chondromatosis was established.

Hip Arthroscopy

Arthroscopy was performed to confirm the diagnosis and remove the chondromas. First, the central compartment was scoped under traction. As preoperatively seen on MRI, the joint space between the femoral head and lunate cartilage and the acetabular fossa was free of chondromas. The synovium of the pulvinar was unremarkable. Because no pathologic lesions were found, the central compartment was evacuated. An antero-lateral portal to the peripheral compartment was es z \

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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