The radiologic study of arthritis can be extremely difficult for the inexperienced because of the wide variety of patterns of disease, which produces a tremendous amount of overlap among the various diseases. What at first seems to be simple characterization…
Radiology of trauma to the skeletal system is such a large topic that entire volumes have been devoted to it. Lee Rogers has written the definitive work in his excellent book entitled Radiology of Skeletal Trauma , and Jack and…
Skeletal “don’t touch” lesions are those processes that are so radiographically characteristic that a biopsy or additional diagnostic tests are unnecessary. Not only does the biopsy result in unnecessary morbidity and cost, but in some instances a biopsy also can…
Radiology residents have difficulty dealing with malignant bone tumors, and the difficulty gets worse in the years after residency. This is simply because malignant bone tumors, thankfully, are not very common. Nevertheless, every radiologist will encounter one or two a…
A benign, bubbly lytic lesion of bone is probably one of the most common skeletal findings a radiologist encounters. The differential diagnosis can be quite lengthy and is usually given on an “Aunt Minnie” basis (I know that’s Aunt Minnie…
Before beginning to learn how to interpret pathologic skeletal films, it is important to briefly consider unnecessary skeletal radiographic examinations. Dr. Ferris Hall from Boston first brought to my attention the idea that just because we could x-ray something didn’t…
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Ultrasound-guided percutaneous procedures have several advantages, including real-time assessment and guidance, in which continuous visualization of a needle is possible throughout the procedure. With ultrasound guidance, a needle can be precisely placed in a target while avoiding important structures, such…
Ankle and Foot Anatomy Osseous Anatomy The ankle joint is a hinged synovial articulation between the talus and the distal tibia and fibula ( Fig. 8.1 ). Inferiorly, the talus articulates with the calcaneus through three facets, joined by the…
Knee Anatomy The knee is a synovial joint that consists of hyaline cartilage articulations between the femur, the tibia, and the patella ( Fig. 7.1 ). The menisci are C-shaped fibrocartilage structures between the femur and the tibia ( Fig.…