Fasciitis in amyopathic dermatomyositis.

Dermatomyositis is a disease frequently treated by rheumatologists and dermatologists due to prominent systemic features of inflammatory myositis, less common arthritis, and rare systemic vasculitis, in addition to the characteristic cutaneous manifestations of Gottron's papules over extensor surfaces, and a heliotrope rash over the eyelids. Patients with amyopathic dermatomyositis, a subset of dermatomyositis, display skin disease but no apparent muscle disease. This report describes an adult patient with the typical dermatomyositis rash with no weakness, normal muscle enzymes, and the unique finding of fasciitis without myositis on muscle biopsy, which correlated with a Magnetic Resonance Imaging (MRI) finding of a peripheral halo of intense signal around muscles on T2-weighted and fat suppression sequences.

Nontraumatic disorders of the clavicle.

Other than those resulting from trauma and arthritis, disorders of the clavicle are uncommon. Some nontraumatic disorders are found only in infancy and childhood, such as birth fracture, infantile cortical hyperostosis, congenital pseudarthrosis, cleidocranial dysplasia, and short clavicle syndrome. Other nontraumatic disorders occur in both children and adults; these include anterior subluxation of the sternoclavicular joint, Friedrich's disease, hypertrophic osteitis, chronic multifocal periosteitis and arthropathy, and osteomyelitis.

Progressive bone and joint abnormalities of the spine and lower extremities in cerebral palsy.

Bone and joint changes in cerebral palsy result from muscle spasticity and contracture. The spine and the joints of the lower extremity are most commonly affected. Scoliosis may progress rapidly and may continue after skeletal maturity.

Intraosseous malignant peripheral nerve sheath tumor in a patient with neurofibromatosis.

Malignant peripheral nerve sheath tumors (MPNSTs) are uncommon sarcomas that almost always arise in soft tissue. They can develop in pre-existing neurofibromas or schwannomas, de novo from peripheral nerves, or following radiation therapy. Primary intraosseous MPNST is rare and has been reported most frequently in the mandible.

Synchronous multicentric osteosarcoma: the case for metastases.

Objective: There is a current debate whether multicentric osteosarcoma represents synchronous multiple primary osteosarcomas or metastatic disease. The purpose of this report is to evaluate the etiology, presentation, and classification of this entity.

Design And Patients: Six patients ranging in age from 7 to 29 years were studied.