منابع مشابه
Skull base fibrous dysplasia – diagnostic errors
Fibrous dysplasia is a benign disorder in which the normal structure of the bone and marrow is replaced by fibrous tissue1,2. It was first described by Lichtenstein in 19383 and it represents 5 to 7% of all benign bone tumors4,5. This lesion type can involve a single bone or multiple bones, in one-fourth of the cases being localized at the head and neck level2. In patients with skull involvemen...
متن کاملFibrous dysplasia involving the base of the skull.
717 ibrous dysplasia is a developmental anomaly that can affect any bone in the body. The skull and facial bones are the affected sites in 10–25% of patients with monostotic fibrous dysplasia and in 50% of patients with polyostotic fibrous dysplasia. Conventional radiographic findings reveal characteristics of fibrous dysplasia. CT findings also show characteristics of fibrous dysplasia and con...
متن کاملFibrous Dysplasia of Skull Base: Is There a Role of Endonasal Endoscopic Approach? Fibrous Dysplasia of Skull Base: Is There a Role of Endonasal Endoscopic Approach? 1Rijuneeta, 2Ashok
Fibrous dysplasia is abnormal proliferation of fibrous tissue interspersed with normal or immature bone. The records of 11 cases of fibrous dysplasia of paranasal sinuses with skull base involvement were reviewed. Six patients were polyostotic and 5 were classified as monostotic fibrous dysplasia. Four cases were managed endoscopically and only 1 patient had undergone right lateral craniotomy f...
متن کاملCraniofacial Fibrous Dysplasia
Fibrous dysplasia (FD) is an osseous growth dis-order, producing immature bone and characte-rized by the replacement of normal bone with fibro-osseous connective tissue. It is a bone dys-plasia that has the potential to cause significant cosmetic and functional disturbances, particularly in the craniofacial skeleton. Cra-niofacial fibrous dysplasia is one of the three types of polyostotic fibro...
متن کاملFocal Electroencephalography Rhythm Asymmetry due to Focal Skull Fibrous Dysplasia
An unusual pervasive and persistent asymmetry in background rhythm was found on surface electroencephalography (EEG) recordings in a 22 year old with new onset of generalized seizure activity. Radiographic correlation with computed tomography, positron emission tomography and bone scan imaging uncovered that the higher amplitude left frontal-parietal background activity was related to a circums...
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ژورنال
عنوان ژورنال: Practica Oto-Rhino-Laryngologica
سال: 2006
ISSN: 1884-4545,0032-6313
DOI: 10.5631/jibirin.99.1045