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987 Possible Causes for Hypodensity, MRI, cerebral, matter, of, on, white

  • Bartonella Henselae

    At imaging, enlarged peripancreatic and hilar lymph nodes, as well as hypodense liver lesions, were detected, suggestive of malignant disease.[ncbi.nlm.nih.gov] Abstract A 9-year-old white male with congenital aortic and subaortic stenosis palliated by the Ross-Konno procedure presented with culture-negative endocarditis.[ncbi.nlm.nih.gov] Magnetic resonance imaging (MRI) and nested polymerase chain reaction (PCR) were useful for the diagnosis.[ncbi.nlm.nih.gov] CONCLUSIONS: As intravascular, intra-erythrocytic and endotheliotropic bacteria, it is possible that B. henselae initially induced a vasculitis, resulting in secondary cerebral[ncbi.nlm.nih.gov] Abstract 14-year-old white male with a past medical history of congenital bicuspid aortic valve, Streptococcus viridans endocarditis, and pulmonary valve homograft presented[ncbi.nlm.nih.gov] However, lympadenopathy caused by Bartonella henselae infection showes low ADC values in diffusion weighted MRI as typically seen in malignant disease.[ncbi.nlm.nih.gov] Questing ticks were sampled by dragging a white woollen flag over lower vegetation at 17 localities within diverse types of habitats: urban recreational green areas (city[ncbi.nlm.nih.gov]

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  • Diffuse Intrinsic Pontine Glioma

    Brain computed tomography revealed the hypodense lesion in the pons.[ncbi.nlm.nih.gov] Supratentorial white matter volume steadily and significantly decreased with time (slope -0.057, P .001).[ncbi.nlm.nih.gov] OBJECTIVE: To evaluate whether the reliability of MRI surveillance of DIPGs can be improved by the use of ROI-based volumetry.[ncbi.nlm.nih.gov] […] semelhante àquela encontrada no protocolo do ensaio clínico HIT-GBM-D : Diffuse intrinsic pontine glioma: center: pons, tumor T1: hypointense, T2: hyperintense, CT: mostly hypodense[fhcflx.github.io] To determine the incidence of occult enhancement, cerebral blood volume (CBV) values were compared in areas of occult enhancement (OcE), no enhancement (NE), and normal-appearing[ncbi.nlm.nih.gov] Time dichotomized to 14 days significantly affected OS (hazard ratio [HR] 1.70, P 0.014) and race other than white or black affected EFS (HR 2.32, P 0.017).[ncbi.nlm.nih.gov] […] this study was to describe baseline 18 F-FDG PET voxel characteristics in pediatric diffuse intrinsic pontine glioma (DIPG) and to correlate these metrics with baseline MRI[ncbi.nlm.nih.gov]

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  • Cerebral Amyloid Angiopathy

    Brain computed tomography disclosed a left temporal hypodensity. A diagnosis of probable stroke was given.[ncbi.nlm.nih.gov] Cerebral Amyloid Angiopathy Related White Matter Changes Download PDF Published on April 05, 2014 Cerebral Amyloid Angiopathy Related White Matter Changes Muhammad W Masud[elynsgroup.com] No associations between CMIs and other in vivo MRI markers of CAA were found.[ncbi.nlm.nih.gov] Those who showed acute cerebral infarction or a previous cortical cerebral infarction were excluded.[ncbi.nlm.nih.gov] […] vermis) 24 , may have finger-like projections 26 tend to spare the basal ganglia and pons (cf. hypertensive 'deep' intracerebral hemorrhage ) CT: initially hyperdense with hypodense[radiopaedia.org] BACKGROUND: Cerebral microbleeds (CMBs) observed in hypertension-related arteriolosclerosis tend to occur in the supratentorial deep gray matter, whereas those in cerebral[ncbi.nlm.nih.gov] Abstract INTRODUCTION: White matter hyperintensity (WMH) volume on MRI is increased among presymptomatic individuals with autosomal dominant mutations for Alzheimer's disease[ncbi.nlm.nih.gov]

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  • Japanese Encephalitis

    Brain CT 10 days after onset demonstrated hypodensities in the right hippocampus, and the CT obtained 39 days after onset showed whole brain atrophy and hypodensities in the[ncbi.nlm.nih.gov] Acute disseminated encephalomyelitis was confirmed by brain MRI which showed newly developed diffuse white matter lesions.[ncbi.nlm.nih.gov] When the main lesions shown by CT and MRI were compared with those of the acute stage, T2-weighted MRI clearly revealed multiple small areas with high signal intensities,[ncbi.nlm.nih.gov] MRI with venography revealed bilateral thalamic haemorrhage and cerebral venous sinus thrombosis.[ncbi.nlm.nih.gov] CT symmetric or asymmetric bilateral thalamic hypodensities may not detect subacute or chronic hemorrhage MRI parenchymal edema in affected regions: DWI: variable restricted[radiopaedia.org] […] and the appearance of ADEM-associated MR imaging of white-matter lesions.[ncbi.nlm.nih.gov] MRI two month later showed high signal intensity only in the left thalamus.[ncbi.nlm.nih.gov]

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  • Middle Cerebral Artery Occlusion

    A CT scan showed a hypodense left cerebral lesion. Angiography revealed occlusion of the left middle cerebral artery at its origin.[ncbi.nlm.nih.gov] LA severity was assessed on admission computed tomography using the van Swieten scale grading the supratentorial white matter hypoattenuation.[ncbi.nlm.nih.gov] We acquired high-resolution MRI (HR-MRI) of the middle cerebral artery (MCA) in patients with chronic unilateral MCA occlusion and evaluated the MRI and clinical findings.[ncbi.nlm.nih.gov] The middle cerebral artery (MCA) is one of the major blood vessels that supply the brain. In particular, the MCA supplies the cerebral cortex.[symptoma.com] […] of calcification is important as it is a contraindication to angioplasty Early parenchymal signs include subtle blurring, decreased attenuation and swelling of the grey-white[radiopaedia.org] […] front of the middle cerebral artery (MCA) occlusion sites may contribute to the intra-arterial, high-intensity signal on arterial spin labeling magnetic resonance imaging (MRI[ncbi.nlm.nih.gov] In three of the 12 patients, cerebral infarctions related to the MCA occlusions were not evident.[ncbi.nlm.nih.gov]

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  • Fasciola Hepatica

    Usually, Computed Tomography (CT) and other imaging studies show hypodense migratory lesions of the liver.[ncbi.nlm.nih.gov] Cabada MM 1, 2, 3 , Malaga JL 2, 3 , Castellanos-Gonzalez A 4 , Bagwell KA 4 , Naeger PA 4 , Rogers HK 4 , Maharsi S 4 , Mbaka M 4 , White AC Jr 4 .[ncbi.nlm.nih.gov] Fascioliasis: US, CT, MRI findings with new observations. Abdom Imaging, 25: 400–404, 2000 CrossRef PubMed Google Scholar Huber M, Weber R, Beck B, et al.[link.springer.com] Etiology of the cerebral hemorrhages was investigated by digital subtraction angiography, and cerebral aneurysm was entertained.[ncbi.nlm.nih.gov] Wegweisend für die Diagnose einer Infektion mit Fasciola hepatica (großer Leberegel) waren eine Bluteosinophilie über 50 % und computertomographisch nachweisbare hypodense[thieme-connect.com] Fox NJ, White PC, McClean CJ, Marion G, Evans A, Hutchings MR. Predicting impacts of climate change on Fasciola hepatica risk. PLoS One. 2011;6:e16126. [ Links ] 20.[scielo.br] Fascioliasis: US, CT, and MRI findings with new observations. Abdom Imaging 2000;25:400-4. 3. Hillyer GV. Immunodiagnosis of human and animal fascioliasis.[jlponline.org]

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  • Alveolar Echinococcosis

    Finally, a CT scan showed a multifocal, cystoid and hypodense mass in the retrocardial, transdiaphragmal and retrocaval space ( fig. 1 ).[erj.ersjournals.com] CASE PRESENTATION: We report a rare case of an extrahepatic alveolar echinococcosis in an asymptomatic 78-year-old white man with an incidentaloma of his right adrenal gland[ncbi.nlm.nih.gov] We report a case with multiple intracranial masses which show cauliflower-like contrast enhancement pattern on MRI.[ncbi.nlm.nih.gov] Hypointense grape-like mass with calcification and surrounding white matter edema in T2-weighted MRI should suggest cerebral alveolar echinococcosis.[ncbi.nlm.nih.gov] Experience with MRI, and particularly magnetic resonance cholangiopancreatography (MRCP), demonstrates that features of this disease are limited.[ncbi.nlm.nih.gov] The lesion was isointense to cerebral white matter with nodular low-signal-intensity areas on T1-weighted images.[ajnr.org] CASE PRESENTATION: A 62-year-old white woman was evaluated for fever, jaundice, and abdominal pain, associated with significant weight loss.[ncbi.nlm.nih.gov]

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  • Maple Syrup Urine Disease

    We describe a patient with MSUD who had computed tomography (CT) changes of diffuse white matter hypodensity, particularly in the deep white cerebellar matter, brain stem,[ncbi.nlm.nih.gov] The reduced ADC and FA in the white matter with preserved MT indicate a reduction in fiber tracks.[ncbi.nlm.nih.gov] Diffusion-weighted echoplanar MRI showed marked hyperintensity of the cerebellar white matter, the brainstem, the cerebral peduncles, the thalami, the dorsal limb of the internal[ncbi.nlm.nih.gov] Abstract Maple syrup urine disease (MSUD) is an inborn error of branched-chain amino acid metabolism, which usually presents in childhood with encephalopathy due to cerebral[ncbi.nlm.nih.gov] All patients underwent brain MRI. Phenotype, genotype, and areas of brain injury on MRI were retrospectively reviewed.[ncbi.nlm.nih.gov] Complications of acute elevation in plasma leucine include ketoacidosis and risk of cerebral edema, which can be fatal.[ncbi.nlm.nih.gov] The unmyelinated white matter showed an increase in ADC, consistent with vasogenic-interstitial oedema.[ncbi.nlm.nih.gov]

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  • Sparganosis

    Brain enhanced computed tomography (CT) scans revealed that white matter hypodensity with adjacent ventricular dilatation and irregular enhanced nodules were seen.[jkns.or.kr] CONCLUSIONS: Subconjunctival yellow-white granulomatous lesions, migratory hyperemic masses, and the tunnel sign on magnetic resonance imaging are characteristic clues to[ncbi.nlm.nih.gov] MATERIALS AND METHODS: This was a retrospective study of CT and MRI features of 12 patients with cerebral sparganosis.[ncbi.nlm.nih.gov] T2-weighted MR imaging showed the white matter of the left occipital lobe as high intensity.[ncbi.nlm.nih.gov] A diagnosis of sparganosis cerebral abscess was made.[ncbi.nlm.nih.gov] RESULTS: All patients showed edema and degeneration of cerebral white matter. All but 1 had a unilateral lesion.[unboundmedicine.com] We retrospectively reviewed the clinical data of 26 patients with cerebral sparganosis diagnosed in our center and reviewed the literature on cerebral sparganosis in mainland[ncbi.nlm.nih.gov]

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  • Ethylene Glycol

    The neurologic findings in our patient reflected dysfunction of all the areas of hypodensity on the cranial computed tomography scan.[ncbi.nlm.nih.gov] An MRI of the brain on day five revealed nonspecific cerebellar white matter abnormalities.[ncbi.nlm.nih.gov] Soft Matter. 2018 Sep 19;14(36):7420-7428. doi: 10.1039/c8sm01575a.[ncbi.nlm.nih.gov] This case and others in the literature suggest that cerebral edema, and perhaps injury to other organs, could result from oxalate crystal deposition in small blood vessels[ncbi.nlm.nih.gov] Over the next few days, hypodensity in the deep grey matter (thalami and basal ganglia) and brainstem develop 1 .[radiopaedia.org] Over a molecular weight of 900, it can be a white waxy solid, flakes or a powder.[sciencing.com] Brain MRI revealed acute infarctions scattered throughout the brain along with generalised oedema.[ncbi.nlm.nih.gov]

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