نتایج جستجو برای: polyostotic fibrous dysplasia
تعداد نتایج: 55033 فیلتر نتایج به سال:
An elderly woman presented with a history of slow and progressive facial asymmetry since childhood. Physical examination revealed painless right facial enlargement involving the soft tissue and bony structures of the maxilla and mandible (image A). A plain radiograph revealed hazy radiopacities with a ground glass appearance (image B), suggestive of polyostotic fibrous dysplasia (FD). Transoral...
Fibrous Dysplasia (FD) is a focal bone lesion occurring sporadically and in hereditary syndromes caused by activating mutations of the G protein alpha subunit. It rarely undergoes malignant transformation. Malignant Fibrous Histiocytoma (MFH) is a sarcoma of soft tissues and may be found as primary sarcoma of the bone or multifocally. Until now only a few cases of malignant transformation of FD...
it is sometimes difficult to recognize a jaw lesion as osteosarcoma, ossifying fibroma or fibrous dysplasia in routine hematoxylin and eosin staining and a more accurate technique is needed to differentiate these lesions. many studies have shown the potential usefulness of silver-stained nucleolar organizer region (agnor) parameters for the diagnosis of various neoplasms. this study was car...
BACKGROUND Fibrous dysplasia of bone frequently involves the anterior base of the cranium and results in encasement of the optic-nerve canals. It has been assumed that such encasement leads to constriction and eventual blindness. There is controversy about whether patients should be regularly monitored or whether they should undergo prophylactic decompression of the optic nerve. This question i...
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