Musculoskeletal Key

Slightly greater incidence in males than females. Age The first two decades of life account for 80 % of patients (age at diagnosis ranges from 13 to 19 years), being…

Fig. 67.1 Gaucher disease involving the humerus. Note the radiolucency with cortical scalloping involving the distal diaphysis; the trabecular pattern of the distal end is spared Fig. 67.2 Gaucher disease…

Fig. 3.1 (a–d) Puncture needle biopsy in cervical spine in a patient with metastatic carcinoma. In cases like this, fine needle or core needle biopsy is undoubtedly a better alternative…

Fig. 38.1 Benign notochordal cell tumor involving the S3 of the sacrum in a 31-year-old man. Sagittal (a) and axial (b) computed tomographic scans show a slightly sclerotic mass in…

Radiographically, angiosarcoma usually is a completely lytic, uni- or multilocular lesion, with medullar and cortical permeation. Less commonly, it may be sclerotic or mixed, lytic and sclerotic. It usually has…

Any bone can be involved. Most cases occur in the jaw; metaphysis of long bones, especially the distal end of the radius; scapula; and pelvis. Clinical Symptoms and Signs Local…

Types of biopsies Advantages Disadvantages Closed 1. Core needle or fine need aspiration 2. Image-guided percutaneous biopsy 1. Inexpensive 2. No delay in treatment 3. Fewer operative risks 4. Identify…

Fig. 34.1 Glomus tumor of a finger. Macrophotography showing a well-delimited dark brown nodule Fig. 34.2 Glomus tumor of a finger. Macrophotography of the cut surface of another tumor showing…

Fig. 50.1 (a, b) Intraosseous phalangeal epidermoid cyst. The anteroposterior and lateral radiographs showing the characteristic osteolytic lesion Fig. 50.2 Well-defined round osteolytic lesion in a most common location Fig….

Fig. 64.1 (a, b) Stress fracture in one of the most common location – proximal tibia. Anteroposterior and lateral roentgenograms showing a fracture line with exuberant new bone formation in…