This document is the user help manual for Hyland's Gear View Basic, a DICOM medical image viewer software, not a radiology report of an imaging exam.
Severity reflects the AI reading's own wording — it is not a diagnosis, and not your radiologist's opinion.
New or worsening symptoms? Contact your doctor promptly, whatever this summary says.
The nasal septum sits near the midline with prominent, enhancing turbinate soft tissue filling the nasal cavity bilaterally and convoluted mucosal folds; this is the most conspicuous soft-tissue feature on the anterior slices but represents mucosal/turbinate tissue rather than an interruption of any bone or brain structure, so it does not outrank the parenchymal review.
On these slices, no abnormality was seen in: the cerebral hemispheres and their gray-white differentiation, the frontal, temporal, parietal and occipital lobes, the basal ganglia and thalami, the corpus callosum, the lateral ventricles (symmetric and of normal caliber), the third ventricle, the midline (no shift), the brainstem (midbrain, pons, medulla), the cerebellar hemispheres and vermis, the orbits and globes, the visible skull base and calvarial marrow, and the extracranial soft tissues of the face and neck shown on the lower slices.
On these slices, no abnormality was seen in: the superior frontal and parietal cortical gyri and their intervening sulci, the underlying subcortical white matter, the interhemispheric fissure which runs in the midline without deviation, the paired cerebral hemispheres which appear symmetric to one another, the overlying subcutaneous scalp and the calvarial margin. Gray matter and white matter show the expected T1 differentiation with the cortical ribbon slightly darker than the adjacent white matter.
On the lower slices the large central parenchymal region appears as a smooth, uniform mid-gray field bounded by a bright edge-enhanced rim, symmetric across the midline, without a focal dark or bright deviation breaking the uniform tone.
Symmetric paired regions of dense fine edge-texture sit at the front-lateral aspect of the head on both sides (near the cx 0.25 and cx 0.75 positions), mirror images of one another with no side-to-side difference in size or intensity.
On these phase-reconstruction slices, no focal blooming dark spot, no asymmetric bright focus, and no interruption of the outer bony/soft-tissue rim was seen across the visualized cerebral and posterior-fossa parenchyma; the two hemispheres show a symmetric edge-texture pattern about the midline.
Fine branching linear structures run symmetrically about the midline in the mid slices, converging centrally; they appear as darker linear phase signal against the uniform grey parenchyma and are arranged symmetrically between the two hemispheres, with no focal expansion or displacement of the surrounding tissue.
The paired central fluid spaces are symmetric in size and position on the higher axial slices, separated by a midline vertical line running front to back; neither side is displaced across the midline relative to the other.
On these axial phase slices, no focal deviation was seen in: the overall symmetry of the two cerebral hemispheres, the position of the midline, the symmetry of the central fluid spaces, or the deep midline linear vascular structures. The parenchyma shows a uniform grey phase value without a discrete focal region of differing phase.
The two hemispheres show uniform mid-grey signal on either side of a thin vertical midline line (the interhemispheric fissure), with symmetric appearance right versus left; sulcal and gyral detail is faintly traced without a lateralized signal difference between the sides.
On these phase-image slices, no discrete focal parenchymal lesion, no mass effect, and no midline shift was seen in: the symmetric cerebral hemispheres, the midline interhemispheric fissure, and the visible cortical and central grey/white regions; contrast on these images is dominated by phase banding rather than tissue signal.
The lateral surface of the hemisphere shows a normal interdigitating gyral pattern with intermediate-signal cortex separated by darker CSF-filled sulci; on the most medial of these lateral cuts (slice 22) the gyri are broad and continuous, and on slice 23 the sulci appear as clustered rounded low-signal spaces between gyral crowns near the vertex-lateral region.
The outer scalp forms a smooth uniformly bright band, with the calvarial bone as a thinner intervening layer; the contour is continuous and rounded along the visible convexity on all four slices, with no step or focal displacement of the outline traced.
The skull appears as a curved low-signal band; fine branching darker lines cross it (vascular/diploic grooves) as expected for this lateral projection, with no step or discontinuity seen along the traced margin.
A rounded and curvilinear signal-void (dark) structure sits in the lower-central portion of the head at the skull base level, darker than surrounding marrow and soft tissue, corresponding to aerated bone/air-containing spaces of the temporal region; the adjacent brain parenchyma abuts it without a discrete deviation.
On these far-lateral sagittal slices, no abnormality was seen in the visible lateral cerebral cortex and gyral pattern, the scalp soft tissues, the visible calvarial outline, or the facial soft tissues anterior to the temporal region; deeper midline structures (ventricles, corpus callosum, brainstem) are not represented on these peripheral cuts.
The frontal horns and bodies of the lateral ventricles appear as symmetric darker clefts either side of the midline on the mid-height slices; the interhemispheric fissure runs in the midline without shift to one side.
On these slices, no focal FLAIR signal abnormality was seen in: the cortical gray matter and sulci of both frontal and parietal lobes, the subcortical and deep white matter of the centrum semiovale on both sides, the interhemispheric fissure and midline, and the visualized portions of the lateral ventricles, which appear symmetric with dark suppressed CSF.
The paired deep gray structures show the expected symmetric low signal on these susceptibility-weighted magnitude images, without asymmetry or focal blooming dark spots. This is a normal iron-related appearance and is noted only to record it was examined.
The cortical veins and deep medullary veins appear as thin dark (low-signal) linear and punctate structures radiating toward the ventricles, symmetric between the two hemispheres, which is the expected appearance for this technique. No discrete rounded focus of confluent signal loss that stands apart from these vessels is identified.
On these slices, no abnormality was seen in: the cortical gray-white margins of the frontal, temporal, parietal and occipital lobes; the lateral ventricles, which are of normal size and symmetric; the midline structures with no shift; the deep and cortical veins, which show normal thin dark linear signal without focal blooming; and no discrete round dark focus to suggest a microbleed within the sampled brain. This is the most significant statement of this series because no cortical, ventricular or susceptibility abnormality outranks it on these images.
On these slices, no abnormality was seen in: both globes and orbital contents, the frontal and temporal lobe cortex and white matter that is included, the lateral ventricles (symmetric and midline), the third ventricle region, the basal ganglia, the brainstem, the visualized cerebellum and tentorial region, the pituitary/sellar region as far as included, and the extracranial soft tissues of the scalp and face; enhancement of vascular structures and dural surfaces appears symmetric.
The midline superior sagittal sinus enhances uniformly at the vertex, and posteriorly the straight sinus and confluence enhance at the tentorial apex; enhancement is smooth and continuous with no filling defect or expansion, which is the expected appearance on a post-contrast sequence and not an abnormality.
On these slices, no abnormality was seen in: the frontal, parietal, temporal and occipital cortex traced where resolved, the lateral ventricles which appear symmetric and non-displaced with a midline interhemispheric fissure, the deep grey matter at the ventricular level, and the scalp and calvarial outline; no focal abnormal parenchymal enhancement, mass, or shift of midline structures was identified.
Multiple thin, bright, serpiginous linear structures course over the surface of the brain and within the scalp soft tissues, brighter than the adjacent grey matter, consistent with enhancing vessels on this post-contrast series; they follow the convexity and do not displace underlying cortex.
On these slices, no abnormality was seen in: the corpus callosum, the lateral and third ventricles, the pituitary region and sella, the midbrain, pons and medulla, the cerebellum and vermis, the visualized orbits and globes, and the cortical grey-white interface of both hemispheres as sampled.
In the subcortical and deep white matter of both cerebral hemispheres on the upper slices, the signal is fairly uniform with only faint granular brightness and no discrete rounded or ovoid hyperintense focus that stands clearly apart from background white matter. No mass effect on the adjacent sulci or lateral ventricles.
On these slices, no focal signal abnormality, no cortical break, and no displacement was seen in: the cerebellar hemispheres and vermis, the pons and midbrain, the temporal lobes, the basal ganglia and thalami, the lateral ventricles (normal in size and symmetric), the third ventricle, the corpus callosum region, the frontal/parietal/occipital cortex, the orbital globes, and the visualized upper cervical region.
On these ADC-map slices, no focal region of reduced diffusivity (abnormal low ADC signal) was seen in: the cerebellar hemispheres and vermis, the pons and midbrain, the medial temporal lobes, the basal ganglia and thalami, the periventricular and subcortical white matter, or the cortical grey matter of both cerebral hemispheres. The lateral ventricles are symmetric and normal in caliber, and the brain appears symmetric across the midline on the slices provided.
Across the slices covering the frontal, parietal and upper occipital convexities, the cortical ribbon and underlying white matter appear symmetric between the two hemispheres, with sulci of comparable width on the right and left. No focal region stands out as differing from the surrounding tissue on these ADC maps.
The sulcal spaces and the midline interhemispheric fissure are of uniform width and follow the midline without deviation; they appear brighter than adjacent brain tissue, consistent with fluid on this map.
A concentric rim of alternating bright and dark banding follows the inner and outer table of the skull and the scalp all the way around, most pronounced anteriorly and laterally. This is the phase transition at the tissue-bone-air boundaries and it obscures the immediately adjacent cortex, so the superficial cortical surface cannot be evaluated along this rim.
Concentric bright and dark ring bands hug the outer contour of the head, most pronounced anterolaterally and over the frontal region; these alternating light-dark arcs follow the curvature of the calvarium and obscure the adjacent cortical rim on several slices, limiting evaluation of the outermost cortex it overlies.
On the most inferior slices, midline structures show a branching linear pattern with granular texture; signal here is heterogeneous and speckled, blending into the background noise as the head cross-section narrows toward the skull base.
On the uppermost slices the brain is depicted with progressive blurring and loss of grey-white detail, greatest on the final slice, where only a small ovoid segment of tissue is captured; parenchymal detail at the convexity cannot be resolved in these images.
There is dark signal loss and graininess in the inferior/anterior frontal region adjacent to the air-containing sinuses, greatest on the lower slices, becoming less prominent on the higher slices — a susceptibility effect at an air–tissue interface. No discrete focal dark nodule is seen within the adjacent brain.
A rim of coarse, feathery bright signal surrounds the brain along the skull margin, most marked on the higher slices near the vertex where the brain occupies a smaller portion of the frame; it lies outside the cortical outline rather than within the parenchyma.
AI-assisted scan reading — not a clinical report
Issued: 2026-09-29
This document was generated by artificial intelligence from the scan images. It is an explanatory aid, NOT a diagnosis and NOT a substitute for a radiologist report. Always discuss it with your doctor.
Whole-exam read: 13 of 25 series, 422 representative slices in total.
This was an MRI (a scan that uses a magnetic field and radio waves, no X-rays) of your brain, read using several different picture types. On many of the images the reading did not find anything abnormal, and the separate readings agreed on a good number of those. However, the readings clearly disagreed on several important points — including some overall 'nothing abnormal' statements and parts of the FLAIR, susceptibility and diffusion images — and those disagreements can only be settled by a human radiologist. In addition, several series were not part of this reading, so this is an incomplete assessment and does not rule anything out.
Many parts of this reading did not find an abnormality on the images looked at, and the independent readings agreed on a number of those points, which is reassuring as far as it goes. But 'did not see an abnormality on these slices' is not the same as a clean bill of health — the reading looked and did not see something, and some slices or structures were noted as blurred, obscured by normal edge banding, or simply not included in this read. More importantly, the readings genuinely disagreed on several meaningful points, including the FLAIR images (often used to look for inflammation or small signal changes), the susceptibility images (used to look for tiny bleeds), the diffusion maps, and some overall assessments. When readings disagree, it does not tell you an abnormality is or is not present — it means a qualified human radiologist needs to review the images and decide. Given your stroke-like episodes, vision and speech changes, and other symptoms, it would be sensible to share this report with your doctor fairly soon and ask them to arrange a formal radiologist review; if you have sudden new symptoms such as weakness, loss of vision, difficulty speaking, or a severe sudden headache, seek urgent care.
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Read Your Scan
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