Erdheim-Chester Disease

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Erdheim-Chester Disease

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…

read more

Multiple Enchondromatosis (Ollier’s Disease)

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Multiple Enchondromatosis (Ollier’s Disease)

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…

read more

Leiomyosarcoma of Bone

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Leiomyosarcoma of Bone

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…

read more

Amyloidosis in Bone

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Amyloidosis in Bone

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…

read more

Fibro-osseous Pseudotumor of Digits

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Fibro-osseous Pseudotumor of Digits

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…

read more

Periosteal Desmoid

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Periosteal Desmoid

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…

read more

Rosai-Dorfman Disease

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Rosai-Dorfman Disease

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…

read more

Transient Osteoporosis

Jan 2, 2017 by in ORTHOPEDIC Comments Off on Transient Osteoporosis

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….

read more
Get Clinical Tree app for offline access