Fig. 60.1 (a) X-ray and (b) CT scan showing an avulsion injury in the ischial tuberosity (ischial apophyseolysis), at the insertion of the hamstring muscles. Muscle contraction pulled off a…

Fig. 72.1 Erdheim-Chester disease of the distal femur. There is a poorly defined zone of increased radiodensity with cortical thickening. This change is identical to chronic osteomyelitis The cortices are…

Fig. 17.1 Radiograph shows multiple enchondromas involving whole digits and metacarpal bones leading to extreme deformity Fig. 17.2 Gross specimen, as illustrated in Fig. 17.1, shows numerous grayish-blue cartilage masses…

Fig. 70.1 Plain radiograph of the wrist showing an expansile mass of amyloid in the distal ulna Epidemiology The average age of these patients is 57 years. Both men and…

Fig. 40.1 Leiomyosarcoma of the metaphysis and diaphysis of a femur. Specimen photography and radiography. The lesion involved metallic implants from a previous surgical procedure. (a) Whitish-pink firm and elastic…

Fig. 62.1 (a) Roentgenograph of the proximal phalanx of the hand showing a dense soft tissue mass with a periosteal reaction. (b) Sagittal MRI evidences of the soft tissue swelling…

Fig. 52.1 (a) Roentgenogram showing an elongated area of cortical irregularity along the medial cortical tibia. (b) CT scan shows an intracortical small lytic lesion. (c) MRI, the arrow indicates…

Fig. 1.1 Plain film image demonstrating geographic pattern in eosinophilic granuloma of the skull Fig. 1.2 Plain film image showing peripheral sclerosis in a metaphyseal fibrous defect of the upper…

Fig. 74.1 Plain radiograph of the pelvis in a woman who recently gave birth to a baby. She has focal osteoporosis of her left proximal femur and femoral neck Fig….

Fig. 73.1 Rosai-Dorfman disease of the vertebrae. The MRI shows a focal lesion in the vertebral body with extension into the soft tissue Osseous involvement is sometimes multifocal. Image Differential…