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An autosomal dominant disorder that is the most frequent form of short-limb dwarfism. Affected individuals exhibit short stature caused by rhizomelic…

Syndrome consisting of SYNOVITIS; ACNE CONGLOBATA; PALMOPLANTAR PUSTULOSIS; HYPEROSTOSIS; and OSTEITIS. The most common site of the disease is the up…

A condition with congenital and acquired forms causing recurrent ulcers in the fingers and toes. The congenital form exhibits autosomal dominant inhe…

Spontaneous autoamputation of the fourth or fifth toe.

Fixation and immobility of a joint.

Rapid swelling, increased tension, pain, and ischemic necrosis of the muscles of the anterior tibial compartment of the leg, often following excessiv…

An abnormal bone development that is characterized by extra long and slender hands and fingers, such that the clenched thumb extends beyond the ulnar…

Persistent flexure or contracture of a joint.

Chronic progressive degeneration of the stress-bearing portion of a joint, with bizarre hypertrophic changes at the periphery. It is probably a compl…

Malalignment of a bone in which its head and neck is rotated excessively forward or inward.

Decrease, loss, or removal of the mineral constituents of bones. Temporary loss of bone mineral content is especially associated with space flight, w…

Diseases of BONES.

Diseases resulting in abnormal GROWTH or abnormal MORPHOGENESIS of BONES.

Displacement of bones out of line in relation to joints. It may be congenital or traumatic in origin.

Bone loss due to osteoclastic activity.

Attachment of a bone in which its head and neck is rotated excessively backward.

Congenital anomaly of abnormally short fingers or toes.

Abnormal swelling of the inner aspect of the first metatarsal head affecting the first METATARSOPHALANGEAL JOINT.

Abnormal swelling of the outer aspect of the fifth metatarsal head affecting the fifth METATARSOPHALANGEAL JOINT.

Inflammation or irritation of a SYNOVIAL BURSA, the fibrous sac that acts as a cushion between moving structures of bones, muscles, tendons or skin.

A congenital disorder of CHONDROGENESIS and OSTEOGENESIS characterized by hypoplasia of endochondral bones. In most cases there is a curvature of the…

Pathological processes involving the chondral tissue (CARTILAGE).

Presence of CALCIUM PYROPHOSPHATE in the connective tissues such as the cartilaginous structures of joints. When accompanied by GOUT-like symptoms, …

A heterogeneous group of bone dysplasias, the common character of which is stippling of the epiphyses in infancy. The group includes a severe autosom…

A degeneration of the ARTICULAR CARTILAGE of the PATELLA, caused by a decrease in sulfated MUCOPOLYSACCHARIDES in the ground substance. When accompan…

Rare, benign, chronic, progressive metaplasia in which cartilage is formed in the synovial membranes of joints, tendon sheaths, or bursae. Some of th…

Compartment syndrome characterized by pain in muscle groups with elevated compartment pressures due most often exercise training in athletes. Most of…

Autosomal dominant syndrome in which there is delayed closing of the CRANIAL FONTANELLES; complete or partial absence of the collarbones (CLAVICLES);…

Fracture of the lower end of the radius in which the lower fragment is displaced posteriorly.

Conditions in which increased pressure within a limited space compromises the BLOOD CIRCULATION and function of tissue within that space. Some of the…