FIGURE 2.2. A 28-year-old man with mechanical left hip pain 5 years following closed treatment of a posterior wall fracture of the acetabulum. (A) AP radiograph reveals changes consistent with an old acetabular fracture and suggests the presence of bony fragments (arrows). (B) A double-contrast Arthro-CT scan shows further evidence of fragments within the joint (arrow). (C) Arthroscopy revealed grade III articular surface damage present in the femoral head (F) and degeneration of the labrum (L) but no free-floating fragments.
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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.