Pontine hemorrhage and trigeminal nerve impairment.
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Biomedical subjects
Publications and source records attributed to P Ambrosetto.
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We report the case of a patient presenting clinical symptoms and signs of progressive supranuclear palsy (PSP) and normal pressure hydrocephalus (NPH). CT revealed the findings typical of both PSP and NPH. The possible pathogenetic mechanisms of the coexistence of these two diseases are briefly discussed.
We studied four patients with a focal epilepsy and bilateral occipital corticosubcortical calcifications without any sign of phakomatosis. The clinical course of the disease was similar in all the patients and evolved from a benign onset to a severe encephalopathy with progressive mental impairment. The question of whether these patients have an incomplete and atypical form of Sturge-Weber syndrome or a previously undescribed disorder is addressed.
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We report a case of intracavernous carotid artery aneurysm presenting an unusual clinical course and suggest possible pathogenetic mechanisms to explain the clinical picture. We discuss the differential diagnosis from other disorders producing unilateral ophthalmoplegia.
We report a head-injured patient in whom CT scan revealed an extracerebral hypodense fluid collection separated into two compartments by a membrane, which was probably the torn dura mater. We briefly discuss the probable pathogenetic mechanism.
Two cases of quadrigeminal plate cistern lipoma detected by CT scan, one of which produced impairment of vertical gaze, are reported. The problems of diagnosis and therapy of intracranial lipomas are briefly discussed.
We report a patient affected by progressive supranuclear palsy who also presented with bilateral internuclear ophthalmoplegia. The computed tomographic (CT) scan showed the previously described radiological picture characteristic of the syndrome and two additional unusual findings. The significance of these findings is discussed and the importance of the CT scan in the diagnosis of progressive supranuclear palsy is emphasized.
Computed tomographic (CT) findings of three patients affected by progressive supranuclear palsy (PSP) are reported. The radiological picture consisted of atrophy of the midbrain and quadrigeminal plate, with prominent interpeduncular, crural, ambient, and quadrigeminal plate cisterns, and dilatation of the aqueduct and third ventricle. These features were not related to the duration of the illness and degree of neurological deficits. In the authors' opinion CT is useful in the differential diagnosis of PSP and other extrapyramidal disorders.
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2 cases of Sturge-Weber syndrome without facial nevus are reported. The patients presented different forms of epilepsy. The diagnosis was made by computed tomography (CT) which showed typical intracranial calcifications in both occipital regions. The problems concerning the atypical and incomplete forms of the syndrome are briefly discussed. The importance of CT as a diagnostic procedure for this disease is emphasized.
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The authors report a family in which two members had multiple intracranial aneurysms. This is the third reported family with more than one member affected by multiple cerebral aneurysms. The congenital nature and the patterns of inheritance of the disease are discussed. The indications for elective investigation of the asymptomatic relatives are surgical prophylaxis on asymptomatic aneurysms are also briefly discussed.
The Authors studied the subependymal veins of the posterior portions of the lateral ventricles: medial atrial vein (MAV), direct medial vein (DMV), direct lateral vein (DLV), lateral atrial vein (LAV), and inferior ventricular vein (IVV). A detailed description of the normal radiological feature of these veins is reported. Percentages of visualization in normal angiography and diagnostic utilization are also reported.
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