João Flávio Mattos Araujo

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BACKGROUND Fibrous dysplasia (FD) is a benign fibro-osseous lesion related to an abnormal bone development and replacement by fibrous tissue. FD has three clinical patterns namely monostotic, polyostotic, and the McCune-Albright syndrome (MAS). MAS is a rare genetic disorder (about 3% of all FD's) that comprises a triad of polyostotic FD, café-au-lait skin(More)
BACKGROUND The association between neurofibromatosis type 1 (NF-I) and Chiari I malformation (CMI) is rare, and not many studies are reported in the literature. Performing magnetic resonance imaging (MRI) in patients with NF-1 is essential because several cases of Chiari type I are completely asymptomatic. We emphasize the need for inclusion of Chiari I as(More)
BACKGROUND The cavernous sinus is a venous plexus crossed by vital neurovascular structures. Metastases to the region are uncommon and often associated with a headache, facial pain, or progressive neurological deficit in III, IV, and VI cranial nerves. The treatment options are surgery, including endoscopic approach, radiotherapy, radiosurgery, and(More)
Schwannomas are the most common benign tumors of the peripheral nerves, but they represent less than 8% of all softtissue tumors.1–3 The incidence of benign schwannomas involving peripheral nerves tends to be higher in women than in men.1 Benign peripheral nerve schwannoma (BPNS) characteristically presents as a generally single, oval, eccentric, and(More)
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