Interphalangeal Joints Quiz

Radiographs of Limbs: Fat Pads, Fractures, and Joint Diseases

• Radiographs of limbs are used to evaluate bony structures and associated soft tissues.
• Fat pads or stripes are extrasynovial but located within the joint capsule and can indicate joint pathologic processes.
• The scaphoid and pronator fat stripes in the wrist joint and the anterior, posterior, and supinator fat pads in the elbow joint are significant for diagnosis.
• Bone metastases occur when malignant tumors transfer malignant cells to bones through the bloodstream, lymphatic vessels, or direct extension.
• Bursitis is inflammation of the fluid-filled sacs that enclose joints and may cause calcification in associated tendons.
• Carpal tunnel syndrome is a painful disorder of the wrist and hand caused by compression of the median nerve.
• Fractures have various types named based on the extent, direction, alignment, and integrity of overlying tissue.
• Joint effusion refers to accumulated fluid in the joint cavity and is a sign of underlying conditions.
• Osteoarthritis is a noninflammatory joint disease characterized by gradual deterioration of articular cartilage.
• Osteomyelitis is a local or generalized infection of bone or bone marrow that may be caused by bacteria.
• Osteopetrosis is a hereditary disease marked by abnormally dense bone and may lead to obliteration of the marrow space.
• Paget disease is a chronic skeletal disease characterized by bone destruction followed by overproduction of dense yet soft bones.