1,721,039 research outputs found
Immagini delle cisti parassitarie epatiche: ecotomografia, tomografia computerizzata e risonanza magnetica a confronto
No full textNasal endoscopy associated with coronal CT in the diagnosis of non- allergic chronic nasal obstruction.
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Computed tomography in the detection of recurrences after total cystectomy for bladder carcinoma
No full text[Primary carcinoma of the ureter. Presentation of 3 cases and review of the literature].
No full textBilateral simultaneous cerebellar infarction in the medial branches of the posterior inferior cerebellar artery territories.
No full textWe present an unusual case of simultaneous bilateral cerebellar infarction in the territory of the medial and intermediate branches of the posterior inferior cerebellar arteries (mPICA). The patient, a 57-yr-old woman, had no risk factors for cerebrovascular disease but a long-standing hypertension. Pathogenetic hypotheses of this unusual ischemic site of lesion may be referred to: A) two PICAs arising from an occluded basilar artery; B) both medial branches arising from the same PICA on one side; C) a haemodynamic mechanism with hypoperfusion in the most peripheral branches of the arteries; D) a double, simultaneous embolic stroke in mPICAs territory. Based on clinical course, supraortic duplex-scan, echocardiography, MRI, angioMRI and CT scans, and digital subtraction angiography, none of these hypotheses could be clearly associated with the pathogenesis of the lesion. Nevertheless, we propose that an anomalous common mPICA for both cerebellar territories should represent the necessary condition for the ischemic insult and, simultaneously, other factors should intervene as possible determining events
Does chemotherapy have a role in low-grade astrocytoma management? A report of 13 cases
No full textSurgery is the treatment of choice for low-grade astrocytoma while radiotherapy is carried out only when total resection is not possible. This study assessed the effectiveness of chemotherapy in nonresectable cases. Thirteen children with nonresectable astrocytoma were treated with carboplatin and etoposide and after four cycles the response to treatment was evaluated according to radiologic criteria. The results were: one with complete response (CR), three with minor response (MR), six with stable disease (SD), and three with progressive disease (PD). Moreover, in 77% there was an improvement in the neurologic picture. In particular, two cases with hypothalamic astrocytoma showed a regression of the diencephalic syndrome following chemotherapy. In six cases chemotherapy was carried out, at reduced dosage, after the first four cycles either because there was clinical improvement or because it was necessary to postpone radiotherapy in very young patients. After a follow-up period ranging between 11 and 63 months (average: 30 months), nine of the 13 patients are alive (69%) while four died of disease progression. Further studies would be useful to evaluate the role of chemotherapy in the management of low-grade astrocytoma
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