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Computed tomography scan of a 2-month-old child showed a large right parietooccipital extra axial, subcutaneous/soft tissue swelling without bone involvement
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Magnetic resonance imaging of the brain showing bilateral symmetric demyelination of various parts of the brain
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Computed tomography (CT) brain and peripheral nervous system (PNS) showing erosion of palate and maxillary antrum
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T2-weighted image reveals asymmetrical areas of hyperintensity, more marked in the left temporal region (white arrows).
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Postmortem magnetic resonance imaging coronal slide demonstrating the monoventricle of the brain of the fetus.
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Brain cavernoma axial MRI T2-weighted image shows central high signal and peripheral hypointense rim on 22 mm diameter lesion.Abbreviation: MRI, magnetic resonance imaging.
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MRI showing mural thickening and enhancement of temporal artery “branches” bilaterally (arrows).
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This figure shows brain CT scan at the time of diagnosis.
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Contrast-enhanced brain magnetic resonance imaging showed meningeal enhancement, a reduced measures of the space-occupying lesion in the subcortical white matter, abnormal enhancement of basal cisterns and decreased diameter of the focalised lesion of the right internal capsule knee.
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Magnetic resonance imaging showed normal sinus and brain structures.
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Post-anti-TB treatment temporal bone CT scan of case 2.
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Coronal image of the left temporal bone demonstrating soft tissue with smooth expansion of the facial nerve canal (white arrow) – facial nerve schwannoma
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Brain MRI showed a hyper signal lesion in left hemisphere of cerebellum
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Extended leisons on bilaterally frontotemporal lobes on MRI on the second week of hospitalization
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Post thrombolysis CT scan of brain shows hemorrhagic transformation
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Brain magnetic resonance imaging: multiple contrast-enhanced cerebral lesions.
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Coronal FLAIR MRI scan demonstrating the left mesial temporal lesion.
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A 52-year-old male with known diagnosis of small cell lung carcinoma and new onset seizures. Increased FLAIR signal is noted in the mesial temporal lobes, left greater than right without mass effect or volume loss. Based on positive serum anti Hu antibodies and imaging findings, the diagnosis of paraneoplastic limbic ... | |
Median sagittal reformatted section of computed tomography of the brain showing hypoplastic vermis with dilated fourth ventricle and deep interpeduncular fossa.
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Brain CT without contrast. Decreasing hypodensity in left occipital and parietal lobes with improvement of hemorrhagic foci and almost complete resolution of right occipital lesions.
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Computed tomography scan of the head revealing a small old left occipital infarct (white arrow)
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MRI Brain (T2 axial) of the patient done five months after onset of neurological symptoms revealing normal study
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Unenhanced CT, performed on day 6, demonstrates a hypodense area in the anterior part of the left middle cerebral artery territory in the left frontoparietal region related to local ischemic changes. Adjacent cephalhematoma was also present.
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Brain MRI showing bilateral and symmetric hyperintensity of striatum and hyperintensity of the right insular cortex on FLAIR image
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Magnetic resonance imaging of the brain revealing a right-sided lateral medullary stroke (marked by the arrow)
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MRI of the brain showing a pituitary macroadenoma with right cavernous sinus extension
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Axial T2-weighted FLAIR image shows hyperintensity of the brain herniation, probably due to prior infarction.
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CT scan brain image of CASE 2 at initial presentation in hospital showing acute intraparenchymal hemorrhage in the frontal lobe area. This case suggests severity of presentation.
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Brain MRI - Increased signal in T2-weighted images in the withe matter territories adjacent to the lateral ventricles bodies and subcortical zone
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Initial brain MRI at presentation.
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Transverse CT image of the skull of a 14-year-old male European shorthair cat with acromegaly, showing a thickened parietal bone and concave surface of the mandibular condyles
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FLAIR axial MRI image shows bilateral temporal lobe lesions and involvement of the pons. The lesions are hyperintense involving the central pons and anterior part of the temporal lobes. The temporal lobe lesions are symmetrical and bilateral. Bitemporal involvement is characteristic of herpes simplex encephalitis, whi... | |
MRI of the brain, T2 fluid-attenuated inversion recovery (FLAIR) post-contrast images, confirmed the presence of the lesions, measuring up to 1.3 cm in maximal diameter, with associated vasogenic edema in the left precentral gyrus, right occipital lobe, and bilateral frontal opercula.
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Brain MRI showed gliosis in medial portions of biparietal lobes and left occipital lobe.
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MRI of brain with gadolinium showing new heterogeneously enhancing lesion adjacent to the surgical bed within the right temporal lobe consistent with recurrent neoplasm (arrow).
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Cortical localization of channels significantly activated by passive listening of bi-syllabic words (P<FDR 0.05). Red dots: near-infrared light emitters; blue dots: near-infrared light detectors; numbers 1–12 indicate channels and their localization on the left hemisphere (channels found significantly activated are in... | |
Diffusion-weighted MRI revealed an abnormal hyperintensity in the thalami and striata bilaterally. Cortical involvement was mainly seen in the left frontotemporal and cingular cortex (arrows).
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Postoperative axial T2-WI MRI scan at the same level after left temporal lobe resection.
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11/14/14 New left occipital horn intraventricular hemorrhage, increased external herniation of left frontal contusion, and resolving diffuse cerebral edema with decreased effacement of third ventricle.
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Axial GRE image showing hemorrhage in the right occipital lobe.
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The MRI sagittal neural tube section. The cerebrospinal fluid surrounding the brain and the spine within subarachnoid space is red-colored on this image.
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Brain responses in late acquisition phase (group comparison OXT vs PLC using the contrast CS + > CS− and cue vs context conditioning as factor): the OXT group showed an increased response in the hippocampus compared with the PLC group during context conditioning.
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Magnetic resonance imaging showing an abnormal signal of left occipital lobe, dorsal thalamus, and partial insular.
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Magnetic resonance image: coronal section of the brain 1 month after the onset of illness. This section shows the involvement of the right cerebral cortex and hippocampus due to multiple cerebral and basal ganglia infarctions
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Massive bilateral distension of the occipital and temporal horns of the lateral ventricles of the brain. Periventricular calcifications. Incomplete brain myelination. Nonenhanced CT scan
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Mid-sagittal precuneus and posterior cingulate region 1H MRS voxel positioned with the long axis parallel to the parieto-occipital sulcus.
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Neurofibromatosis Type 2. A 34-year-old man with mild hearing loss in the left ear. Axial computed tomography (parenchymal window) of the temporal bone shows subependymal calcification (arrow) at the foramen of Monro
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MRI brain 2013.
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A right frontal lobe tumor. Magnetic resonance imaging scan of the brain was performed and revealed a 4.0− cm calcified tumor associated with edema of the adjacent brain parenchyma.
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The patient’s basal CT of the brain showing cerebral atrophy and cerebrovascular disease. CT: computed tomography
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Neurocysticercosis. Round-ovalar, hyperintense, temporal lesions on FLAIR MRI sequence, suggesting “cyst with a dot” appearance. Department of Neurology, Colentina Clinical Hospital brain imaging archive.
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Lateral radiograph of skull showing a punched out lesion in the parietal bone
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Computed tomography scan of the temporal bone. The tumorous mass is indicated by an arrow
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Lateral angiogram (left) of the common pattern of the carotid trifurcation and the internal carotid artery of a donkey. 1 common carotid artery; 2 external carotid artery; 3 internal carotid artery; 4 occipital artery; 5 cranial branch of occipital artery; 6 caudal branch of occipital artery; 7 linguofacial trunk
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Grayscale sonographic findings at 11 + 1 weeks in a dichorionic, diamniotic twin pregnancy discordant for anencephaly that was incidentally diagnosed during an ER visit for vaginal bleeding (Case 1). Sonographic grayscale image of twin “B” (Case 1) at 18 + 0 weeks demonstrates absence of structures of the upper head a... | |
Nonintravenous contrast enhanced brain CT demonstrates bilateral CSF-density subdural hygromas (left subdural hygroma labelled with an open arrow) and a hyperdense acute right frontal subdural hematoma (solid arrow).
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Case 2 – RM (T2 axial) showing bilateral white matter hypointense signal, sug gestive of gliosis, restricted to frontal lobes.
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MRI brain at the time of diagnosis, Axial T2 sequence. Vasogenic edema involving the bilateral cerebral hemispheres, with relative sparing of the frontal lobes suggestive of PRES. Pneumocephalus is present secondary to interval placement of an external ventricular drain (seen in the right lateral ventricle).
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After 10 weeks’ follow-up, another brain CT was performed, which showed the resolution of such low densities of the white matter
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MRI of brain with gadolinium showing a large right temporoparietal hemorrhagic mass (arrow).
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sagittal MRI imaging showed a split cord malformation, atthe level of L1, with a bony bar at the L1 level. It also revealed situs inversus visceralis. MRI imaging of the brain did not show any abnormality, and sagittal MRI of the cervical region did not reveal any Arnold-Chiari malformation. Other imaging studies such... | |
Computed tomogram brain showing a focal relatively hyperdense nodule (arrow) in the left frontal lobe white matter with extensive perilesional edema
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Axial noncontrast CT scan of brain of 6-month-old male child with tuberous sclerosis shows both subependymal and parenchymal calcifications
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After two weeks, T2W1 MRI showed high signal intensity lesion in Lt. thalamus and consistent with subacute stage hematoma, but previously noted IVH were not seen on follow-up study.
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MRI image of brain with gadolinium contrast showing enhancing mass in the right occipital lobe.
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Dilated Virchow-Robin spaces in autism.Virchow-Robin (VR) spaces are fluid-containing dilatations of the perivascular space that surrounds penetrating arteries in the brain (white arrow). We defined abnormal VR spaces when the spaces were >3 mm using the classification system developed by Heier et al [11].
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MRI of the brain. Multiple ring-enhancing lesions with associated diffusion restriction and T2/FLAIR hyperintensity are present throughout the supratentorial white matter.
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Magnetic resonance venography of the brain with superior longitudinal sinus thrombosis.
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Hypoperfusion in brain area corresponding to the right MCA.
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MRI axial diffusion weighted image of brain shows an infarction involving right basal ganglia, periventricular white matter and basal temporal lobe.MRI, magnetic resonance imaging.
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Ultrasound scan of abdomen shows how biparietal diameter is measured.
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Fluorescein-angiogram: 1 min, 56 s after dye injection. All vessels are filled with dye. Sludge phenomenon in superior temporal veins (patient no. 10).
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Chronic subdural haematoma with a recent bleeding of right brain hemisphere (CT scan); what should be noted is the mixed, hypo- hyperdense aspect of the haematoma and the erase of the circle movements of the right brain hemisphere as an effect of the compression due to the haematoma
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“The Brain Theater of Mental Imagery” (1983). Mixed mediums on spunbonded synthetic canvas, 12 × 100 ft., with mounted paintings and white light hologram, Installation view: Boston Center for the Arts, 1990.
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The regions of interest location on 1H‐MRS images (1, 2), dorsal thalamus (3, 4), globus pallidus (5, 6), substantia nigra (7, 8), hippocampus (9, 10), cuneus gyrus (11, 12)
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MRI of the brain: sagittal postcontrast T1WI. Figure shows reduction in the size of the suprasellar lesion and marked resolution of the diffuse LD previously shown in Figure 6 with only noted small focal enhancing nodules in the prepontine cistern and anterior to the spinal cord (white arrow heads).
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CT image of subarachnoid haemorrhage.Non-contrast CT scan of brain showing subarachnoid haemorrhage in classical “star sign” distribution with blood distributed along basal vessels.
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Magnetic resonance imaging of brain which demonstrated partially developed vermis and rhombencephalosynapsis.
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Pressure and flow compartments in the brain. Illustration of the pressure and flow "compartments" considered throughout the paper. Pressure can be measured anywhere within the cranium, and both mean pressure as well as pulse amplitude are generally considered to be position-independent. From a technical standpoint, ho... | |
Axial CT section of the abdomen after injection of iodinated contrast medium during the portal phase. There is parietal thickening in the stomach, in addition to ulceration (arrow).
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Cross-section through the hippocampus at the level of the red nucleus in a normal control, obtained using a 7T gradient-recalled echo sequence. DG = Dentate gyrus, CA1–3 = cornus ammonis subfields 1–3, sp = stratum pyramidale, srlm = stratum radiatum/stratum lacunosum-moleculare, EC = entorhinal cortex. Scale bar 1 mm... | |
Brain MRI of the first patient at the age of 3.5 months (T2 weighted sequences TR/TE 4000/99). Note the mildly increased signal in the posterior limbs of the internal capsule bilaterally and in the white matter of the occipital lobe.
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Cranial MRI without contrast in the horizontal plane, demonstrating the mass effect on the left temporal lobe by the arachnoid cyst.
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Whole Brain Tractography Synaptive BrightMatter™ glass head preoperative analysis using whole brain tractography to show neighboring and intersecting white matter tracts at the brain-tumor interface. The white arrow points to a computer-generated tumor model; note the surrounding white matter tractography.
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Brain MRI in a patient with posterior reversible encephalopathy syndrome (PRES) shows multiple areas of hyperintense signal
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Computed tomography scan of the brain showing bilateral hyperdense metastases
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FLAIR axial MRI image shows well delineated pontine lesions. Pontine lesions and extra temporal involvement in herpes simplex encephalitis is rare.
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An axial T2 weighted magnetic resonance image (MRI) at the level of the midbrain showing the two subthalamic nuclei (STN).
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Brain MRI T1/FLAIR with contrast revealed a 5 x 9 x 6 mm hypoenhancing lesion (arrow) in the central aspect of the sella, likely representative of a microadenoma.
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Left hemisphere, lateral surface. Cortical thickness group analysis between patients with MS related depression (MS-dep) and not depressed MS patients. Areas showing a significant cortical thinning in patients with MS-dep (P < 0.01) are coloured in blue. Area 1 is localized in orbito-frontal cortex; areas 2, 3, 4, 5 a... | |
Contrast-enhanced axial T1 magnetic resonance imaging (MRI) of a patient who had 6 brain metastases (BM), one of them (1.7 cm3) was located just in the center of hippocampus (HP) proper (shown in yellow). Hippocampus is shown in blue, HP + 5 mm in red.
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Brain CT. Bilateral massive calcifications of cerebellar dentate nucleus and white matter of cerebellum (a), calcification in pons (b)
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The photo presents the same scan as in Fig. 3, but a different cross section. A small subdural hygro-hematoma in the right frontal region. A blood trace along the tentorium of the cerebellum. A mass effect seen as minimal displacement of the lateral fissure of the brain to the right, with mild compression of the front... | |
The axial view of the postoperative CT scan with the artificial bone (arrows) covering slightly oedematous brain tissue.
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26-year-old woman with anaplastic oligoastrocytoma and coarse calcifications.Axial 11C-methionine positron emission tomography (PET)/CT image showing high uptake in lesion with coarse calcifications (arrows) at upper right frontal lobe, with tumor-to-normal ratio of 3.9. CT imaging during PET/CT is helpful for diagnos... | |
On brain MRI (T1, T2), the space-occupying lesion is evident in the left occipital lobe.
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T2-weighted axial GRE image of brain of 25-year-old male with post-traumatic seizure shows left frontal lobe hemorrhagic contusion
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Photomicrograph of a representative coronal section of rat brain labelled with a polyclonal antibody directed against tyrosine hydroxylase. The picture shows the orientation of the cuts (dark lines) for the dissection of the ventral tegmental area (VTA). The basal cerebral peduncle (Cp) was used as a visual landmark t... | |
Sagittal contrast enhanced CTA scans demonstrating the retained metal fragment measuring as it is situated from the retro-orbital wall and curves through the temporal lobe into the skull base.
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Dense calcification was seen in the bilateral basal ganglia on brain CT.
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