5 резултати
Fibrous dysplasia of bone is a stem cell bone disease due to a somatic GNAS mutation which can affect craniofacial bones. Although craniofacial fibrous dysplasia is a benign and progressive disorder, it can cause mass effect on the cranial structures. We describe an 18-year-old man, without past
BACKGROUND
Fibrous dysplasia is a slowly progressive benign fibro-osseous disorder that involves one or multiple bones with a unilateral distribution in most cases. It is a lesion of unknown etiology, uncertain pathogenesis, and diverse histopathology. Temporal bone involvement is the least
BACKGROUND
Osteoblastoma is an uncommon primary bone tumor that involves any part of the skeleton. But its occurrence in the skull is extremely rare.
UNASSIGNED
A 30-year-old female was admitted to our hospital, because of the mass in the right frontal region with the history of headache for 3 years
A 23-year-old woman with Albright's syndrome (polyostotic fibrous dysplasia of bone, precocious puberty and irregular cutaneous pigmentations) had sustained multiple fractures and was grossly disabled. Evaluation disclosed markedly raised serum alkaline phosphatases and a high urinary excretion of
Studies to determine the etiology of osteosarcoma involve epidemiologic and environmental factors and genetic impairments. Factors related to patient characteristics include age, gender, ethnicity, growth and height, genetic and familial factors, and preexisting bone abnormalities. Rapidly