CT observation of an ongoing intracerebral hemorrhage.
A case of an ongoing intracerebral hemorrhage observed on noncontrast computed tomographic scans is described. Early high attenuation values of the extravasated blood are reported.
Biomedical subjects
Publications and source records attributed to I Pandolfo.
A case of an ongoing intracerebral hemorrhage observed on noncontrast computed tomographic scans is described. Early high attenuation values of the extravasated blood are reported.
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Explore the source record for details and available documents.
A detailed analysis of CT findings with mediastinal thyroid masses is reported. The authors illustrate the CT features that confirm the thyroid origin of this lesions and emphasize the value of the method in the evaluation of this pathology. In a mediastinal mass the CT is helpful to recognize the origin of the lesion as well as it may suggest its malignancy.
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A detailed analysis of C.T. finding with infiltration of the diffuse sub-arachnoidal space by medulloblastoma in a infant is reported. The C.T. sign who's same a cisternography with hydrosoluble contrast was in this case more helpful in obtaining the specific diagnosis.
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On the basis of personal experience, the possibility and the limits of galactography are discussed. Galactography has been used by the authors in any cases of discharge from the nipple, and has shown to be the only radiological examination able to discover intraductal tumours. Furthermore it allows to establish the site and extension of the lesions. Among the limits of the method the impossibility to distinguish between benign and malignant lesions is stressed out.
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BACKGROUND: We used magnetic resonance (MR) pyelography to compare the value of thick-slab single-shot rapid acquisition with relaxation enhancement (RARE) sequence with that of multislice half-Fourier acquisition single-shot turbo-spin-echo (HASTE) sequence in evaluating the full spectrum of morphologic features in a group of patients with hydronephrosis. METHODS: MR pyelographic images, with the use of thick-slab RARE and multislice HASTE sequences in 90 patients, were evaluated for image quality, presence of hydronephrosis, and level and cause of obstruction. RESULTS: HASTE sequences provided images of better quality than did RARE sequences (p < 0.001). There was no statistically significant difference in demonstrating the presence of hydronephrosis (p = 0.5) and level of obstruction (p = 0.125). Sensitivity, specificity, and accuracy in diagnosing cause of obstruction were 61.7%, 62.5%, and 62%, respectively, for RARE sequences and 80%, 82.5%, and 81%, respectively, for HASTE sequences, with a statistically significant difference (all p < 0.05). CONCLUSION: Multislice HASTE sequence provides better diagnostic information than does thick-slab RARE sequence, particularly in evaluating the cause of obstruction.
In pancreatitis, the fluid collection may extend to unusual sites and organs and form a pseudocyst. We present US and CT findings of a pancreatic tail pseudocyst extending into the subcapsular space of the left kidney.
Two patients with thyroglossal duct cysts have been studied with CT and MR. The typical CT feature of these cystic upper-neck lesions are depicted in literature, conversely MR findings are not well known. The homogeneous high intensity on T1-weighted images, higher than simple cyst or fluid, is the most typical feature of the thyroglossal cyst.
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The authors describe a case of a chemodectoma involving the tympanic-jugular region, studied by means of Computed Tomography. They underline the utility of this method in spatial evaluation of such tumors.
The authors present a case of primary synovial osteochondromatosis of the ankle, as demonstrated by magnetic resonance (MR). Ankle involvement by osteochondromatosis is unusual. The characteristic MR findings are: target appearance of some loose bodies with a low intensity peripheral rim and a center isointense to the soft tissues on T1-weighted images, which remain unchanged on T2-weighted images. Conversely, other loose bodies were characterized by homogeneous hyperintensity close to the bone marrow on T1-weighted images, with loss of signal on T2-weighted images. The authors believe that these findings are quite pathognomonic of a long-standing synovial osteochondromatosis.
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Computed tomographic findings are reviewed in 25 patients with a palpable mass in the anterior abdominal wall. Computed tomography allowed a specific diagnosis when the mass was due to a hernia and hematoma. In the other cases a specific diagnosis could not be made but CT allowed a detailed evaluation of the extent of the disease.
The perineural space is a well recognized pathway of tumor spread of head and neck cancer. We report a case of perividian metastasis studied with magnetic resonance imaging.