Amado Díaz

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We present a case of chronic subdural hematoma diagnosed in utero by ultrasonography, and MRI at 31 weeks gestation. No cause of usual intracranial hemorrhage was found. There was no trauma. The child was operated after induced vaginal delivery at 37 weeks gestation, with good results and normal neuropsychological development after one year. We discuss the(More)
BACKGROUND Focal thalamic lesions have been associated with a variety of involuntary movements such as tremor, dystonia, and chorea-ballism. METHODS We describe a patient with severe hyperkinesias of the right arm secondary to a thalamic infarction in the left postero-ventral region of the thalamus. RESULTS The dystonia and tremor of the right upper(More)
Cavernous sinus lymphoma is a rare occurrence. We report a case of a 37-year-old woman who was admitted for an oculo-motor paresis and retro-orbital pain. CT scan and MRI disclosed a cavernous sinus tumor. A surgical biopsy was performed through a pterional approach and the histological diagnosis was a solitary primary Burkitt's lymphoma. Aggressive(More)
A patient with a rare peripheral aneurysm of the posterior inferior cerebellar artery (P.I.C.A.) was treated by microsurgery. Anatomical features and surgical procedures are discussed. The aneurysm was located in the retromedullary, tonsillomedullary segment of the right P.I.C.A. and formed a caudal or infratonsillar loop in the cisterna magna close to the(More)
Von Hippel-Lindau disease is an autosomal dominant disorder mainly characterized by hemangioblastoma(s) associated with kidney clear-cell carcinoma. Hemangioblastoma represents 2 to 3% of all central nervous system tumors whereas extramedullary metastasis accounts for 30 to 50% of all intravertebral column tumors. The most common sites of metastatic(More)
We present the case of a 74-year-old patient with long-standing gout who developed C4-C5 tophaceous gout causing cord compression. The patient had undergone 4 years earlier for a disco-osteophytic cord compression (anterior C4-C5 and C5-C6 discectomy). When admitted, the patient presented quadriparesia which had developed during the previous week in(More)
A saccular aneurysm of the posterior inferior cerebellar artery lying in the fourth ventricle and an arteriovenous malformation in the cerebellum fed by the same artery are reported. Clipping of the neck of the aneurysm and total removal of the arteriovenous malformation were performed successfully during one stage. Review of the pertinent literature(More)