Injuries to the soft tissues surrounding and supporting the metacarpophalangeal (MCP) and interphalangeal (IP) joints of the fingers and thumb (Figure 1) are common. Injuries range from minor sprains...
Septic arthritis is an infection of the joint space caused by bacteria, fungi, mycobacteria, and viruses. Septic arthritis typically involves large joints such as the knee, hip, and shoulder, though a...
Osteomyelitis is an infection of the bone caused by bacteria, fungi, or mycobacteria. The infection can land in the bone via the bloodstream (hematogenous spread), contiguous spread from adjacent soft...
Lyme disease results from infection of a tick-borne spirochete, Borrelia burgdorferi. It usually presents with a characteristic rash (“erythema migrans”) at the site of the tick bite. Often, symptoms...
Osteonecrosis is a disease process characterized by the ischemic death of subchondral bone, that is, bone under the cartilage near the joint surface, culminating in the possible collapse of the bone a...
Gout and pseudogout are crystalline arthropathies, that is, diseases producing recurrent attacks of acute inflammatory arthritis due to the deposition of crystals in the joints. Gout is caused by an i...
Fibromyalgia is a disorder of chronic, widespread musculoskeletal pain associated with fatigue, cognitive dysfunction, mood disorders, and sleep disturbances. Fibromyalgia is a controversial disease e...
Compartment syndrome describes the state of increased pressure in a closed tissue space that impairs blood flow to that space. In turn, the lack of perfusion leads to hypoxia and damage to the muscles...
The Female Athlete Triad was initially defined as the constellation of three interrelated clinical entities typically found in active young women: amenorrhea, osteoporosis, and disordered eating. The...
Paget's disease of the bone is a condition of dysregulated bone remodeling, characterized by rapid osteoclastic bone resorption followed by increased osteoblastic bone formation. The resulting new bon...