Cases occipital lobe. Medical search. Frequent questions

They soon discovered that the culprit was a slow-growing tumor in his occipital and temporal lobes in the right hemisphere of his brain, but he didn't respond to any treatments to relieve him of his seizures. (inverse.com)
these changes are most clearly found in the area of the occipital and temporal lobes, so that temporal and occipital horns are widened into bag-like cavities, while the anterior portion of the lateral ventricle shows relatively little enlargement and the frontal white matter is almost unaffected by the disease process. (bmj.com)

Affected areas were commonly observed adjacent to normal regions, most frequently in the frontal, temporal, and parietal lobes ( Figure 1 , panel F). Except for the striatum, PrPres deposition was generally most prominent in areas that showed severe vacuolation. (cdc.gov)
MRI fluid-attenuated inversion recovery sequence showed hyperintensity of the subcortical U fibers, concentrated in the occipital, parietal lobes and frontal lobes. (lu.se)
The parietal lobes in the brain are concerned with a creating a 3D representation of the world around us, allowing a person to walk around without bumping into objects. (emory.edu)
On CT, curvilinear calcifications in a gyral pattern are often seen, primarily in the occipital and posterior parietal lobes ipsilateral to the facial angioma. (medscape.com)

The next day (day 6), T2-weighted and diffusion-weighted MR imaging showed hyperintense lesions involving the right parieto-occipital region (both cortical and subcortical regions), the left deep parietal region, and the bilateral deep temporal regions. (ajnr.org)
B , T2-weighted MR image (TR/TE/NEX, 3200/100/2) shows a hyperintense lesion in the right parieto-occipital region. (ajnr.org)
C , Diffusion-weighted MR image (b=1000) shows evidence of a hyperintense lesion in the right parieto-occipital region, as compared with the T2-weighted image. (ajnr.org)
Magnetic resonance imaging (MRI) showed a rounded 1-cm area of signal abnormality in the left parieto-occipital region lateral to the parieto-occipital sulcus. (thieme-connect.com)
It is located in the right parieto-occipital region. (radiologycases.my)
A computed tomography (CT) scan subsequently revealed extensive gyriform calcification in the right parieto-occipital region with ipsilateral cerebral cortical atrophy. (medscape.com)

Bilateral lesions of the occipital lobe can lead to cortical blindness (see Anton's syndrome). (wikipedia.org)
All squirrel monkeys studied had severe spongiform degeneration in the striatum ( Figure 1 , panel D) and little involvement in cerebellum and occipital lobes ( Figure 1 , panel E). Spongiform lesions in cortical gray matter were not consistent throughout the brain. (cdc.gov)
The cortical surface electrodes were implanted over the left temporal lobe for a neurophysiologic monitoring. (neurolrc.ru)
Extratemporal cortical resection is successful in eliminating or dramatically reducing seizures in 45% to 65% of cases. (medicinenet.com)
To generate these potentials it is necessary that the peripheral and central auditory system are intact, including the areas of the brain stem, sub-cortical routes, auditory cortex and corpus callosum, as well as areas of the frontal lobe and the temporo parieto occipital connection. (bvsalud.org)

The frontal lobe is the decision-making centre of your brain (also called the executive function centre). (braininjurycanada.ca)
Damage to either side of the frontal lobe may lead to problems with emotional control, social skills, judgment, planning, and organization. (braininjurycanada.ca)
Damage to the left frontal lobe may cause problems with speech and moving the right arm or leg. (braininjurycanada.ca)
SIRT3-5 expression declined significantly in the hippocampus and frontal lobe, associated with increases in superoxide and fatty acid oxidation levels, and acetylated CPS-1 protein expression, and a reduction in MnSOD level. (frontiersin.org)
SIRT7 and Pol I protein expression increased in the frontal lobe. (frontiersin.org)
Damage to the frontal lobe is often the most dramatic of all the parts of brain. (brainhealthandpuzzles.com)
This article will take a closer look at the function of the frontal lobe as well as what happens when this area of the brain is injured. (healthline.com)
The frontal lobe of primates, particularly humans, is much larger than those of other species. (healthline.com)
You might say the frontal lobe is the most important area for our various "human" skills, such as reasoning and language. (healthline.com)
What does your frontal lobe do? (healthline.com)
The frontal lobe plays a role in many higher level functions of your brain. (healthline.com)
What can happen if your frontal lobe is damaged? (healthline.com)
A famous case of frontal lobe damage is that of Phineas Gage . (healthline.com)
In 1848, Gage was injured in an explosion that caused a railroad spike to pierce his frontal lobe. (healthline.com)
As we've learned, the frontal lobe is responsible for many different types of functions. (healthline.com)
Because of this, damage to the frontal lobe can cause a variety of different symptoms depending on the area that's affected. (healthline.com)
What can cause damage to the frontal lobe? (healthline.com)
Treatment for damage to the frontal lobe depends on what's caused the damage to occur. (healthline.com)
If you have frontal lobe damage, your treatment plan may include a team of several types of healthcare professionals. (healthline.com)
The frontal lobe is the most common extratemporal site for seizures. (medicinenet.com)

Located in the rearmost portion of the skull, the occipital lobes are part of the posterior cerebrum. (wikipedia.org)
Cells on the posterior aspect of the occipital lobes' gray matter are arranged as a spatial map of the retinal field. (wikipedia.org)
The occipital pole is an anatomical landmark that corresponds to the posterior portion of the occipital lobe . (radiopaedia.org)
The vasculature of the occipital pole is unique in that it receives a dual blood supply, with anastomoses from the posterior cerebral artery (PCA) as well as the deep branch of the middle cerebral artery 4 . (radiopaedia.org)

At the front edge of the occipital lobe are several occipital gyri, which are separated by lateral occipital sulcus. (wikipedia.org)
The occipital lobe convexity sulci and gyri. (radiopaedia.org)

The lobes rest on the tentorium cerebelli, a process of dura mater that separates the cerebrum from the cerebellum. (wikipedia.org)
Within the cerebrum and the two hemispheres, there are 4 lobes of the brain that control different functions. (braininjurycanada.ca)

the middle occipital gyrus also contributes when it is present 1 . (radiopaedia.org)
In most brain s it contains five basic convolutions: the superior occipital gyrus , the middle occipital gyrus , the inferior occipital gyrus , the lingual gyrus , and the cuneus . (washington.edu)

Otto Binswanger (1852-1929), Professor of Psychiatry in Jena, in 1894 described eight patients with a progressive dementia punctuated by apoplectiform focal attacks whose brains showed diffuse or patchy but selective white matter atrophy, most marked in the temporo-occipital regions with ventricular dilatation. (bmj.com)

In fact, researchers have mapped the areas of the frontal lobes that control the movement of specific body parts. (healthline.com)

Damage to the primary visual areas of the occipital lobe can cause partial or complete blindness. (wikipedia.org)
Many occipital lobe stroke survivors sustain hemianopia, or partial blindness. (flintrehab.com)
An occipital lobe stroke, however, may not cause these symptoms and instead may cause visual disturbances like blurry vision, hallucinations, or even blindness. (flintrehab.com)
In some cases, it causes blindness. (brainhealthandpuzzles.com)
If your traumatic brain injury affects your occipital lobe , you may develop temporary or permanent blindness or blind spots. (hkmlawfirm.com)

A stroke can be isolated to the occipital lobe, or it may be more widespread, affecting nearby brain structures such as the cerebellum , brain stem , thalamus , or temporal lobe . (flintrehab.com)
The occipital lobe is located near the cerebellum, brain stem, temporal lobe, and thalamus. (flintrehab.com)

Primary visual cortex projects to the occipital areas of the ventral stream (visual area V2 and visual area V4), and the occipital areas of the dorsal stream-visual area V3, visual area MT (V5), and the dorsomedial area (DM). (wikipedia.org)
In this patient, [ 123 I]-IMP SPECT imaging revealed right occipital and temporal hypoperfusion with a distribution matching the ventral visual stream. (elsevierpure.com)
In this patient, [123I]-IMP SPECT imaging revealed right occipital and temporal hypoperfusion with a distribution matching the ventral visual stream. (elsevierpure.com)
Viewed from the side, it is separated from the parietal lobe dorsal ly and from the temporal lobe ventral ly by an oblique plane through the parieto-occipital sulcus on the dorsal margin of the hemisphere and the preoccipital notch on the ventral margin. (washington.edu)

Infrared oculographic recordings from three patients with hemianopia due to an occipital lesion showed that these patients employed a consistent set of (presumably unconscious) compensatory strategies to find and fixate objects. (nih.gov)
Brain CT scan showed a right occipital, slightly hyperdense lesion associated with a 0.4 cm midline shift to the left side. (surgicalneurologyint.com)
Brain MRI demonstrated a right occipital, avidly-enhancing, extra-axial lesion with disproportionate and extensive vasogenic edema. (surgicalneurologyint.com)

This is a unique case of TMS manifesting as homonymous hemianopia. (hindawi.com)
Lesions of the occipital pole result in a contralateral homonymous defect of macular vision (HMV) 4 . (radiopaedia.org)

The occipital lobe is one of the four major lobes of the cerebral cortex in the brain of mammals. (wikipedia.org)
The occipital lobe is the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex. (wikipedia.org)
The remaining inputs are from multiple sources that have to do with any sort of visual processing A significant functional aspect of the occipital lobe is that it contains the primary visual cortex. (wikipedia.org)
Fig. 1 T1 axial image at the level of the atrium of the lateral ventricles shows a slightly hyperintense T1 focus in the right parietal lobe cortex and subcortical white matter. (thieme-connect.com)
The dual blood supply explains the phenomenon of a macula-sparing hemianopia that occurs with occlusion of the PCA in which the anterior portions of the primary visual cortex representing peripheral vision are affected while the occipital pole is spared. (radiopaedia.org)

In some cases the lower part of the boundary is marked by a anterior occipital sulcus ( Duvernoy-1992 ).On the medial surface it is separated from the parietal lobe by the parieto-occipital sulcus and from the temporal lobe by the collateral sulcus . (washington.edu)
Here's another case of a ruptured medial occipital arteriovenous malformation. (neurosurgicalatlas.com)
You can see the large intracerebral hemorrhage within the right medial occipital lobe associated with a large right-sided subdural hematoma. (neurosurgicalatlas.com)
Patient made a reasonable recovery after evacuation of the hematoma and adenoma resection of his medial occipital AVM a month later. (neurosurgicalatlas.com)

Its gyral pattern in the human is perhaps the most variable of any of the six lobes. (washington.edu)

1962 ) Subcortical arteriosclerotic encephalopathy: review of the literature of so called Binswanger's disease and presentation of two cases. (bmj.com)

In fact, a new 2021 study focused on survivors of occipital lobe stroke shows that rigorous vision training may help improve hemianopia, even months after the stroke occurred. (flintrehab.com)
a retrospective case-series of 54 patients with PCA infarcts found that of the 43 with visual field defects, 6 had HMV while 4 had macula-sparing hemianopia 4 . (radiopaedia.org)

Brain CT scans obtained 2 days after symptom onset showed low opacities in the bilateral deep parieto-occipital regions. (ajnr.org)
123 I]-IMP SPECT imaging detected only mild bilateral frontal hypoperfusion in Case 2 and no overt abnormalities in Case 3. (elsevierpure.com)
123I]-IMP SPECT imaging detected only mild bilateral frontal hypoperfusion in Case 2 and no overt abnormalities in Case 3. (elsevierpure.com)

We now know that Tolman's cognitive maps are generated by the hippocampus and surrounding temporal lobe structures, which are crucial for the spatial memory which is required for navigation. (scienceblogs.com)
The right parietal lobe is responsible for visual and spatial recognition. (braininjurycanada.ca)
Damage to the right parietal lobe may lead to problems with spatial tasks, like making sense out of pictures, diagrams, and reading maps. (braininjurycanada.ca)

Computed tomography revealed acute ischemia involving the right parieto-occipital lobe with vasogenic edema. (hindawi.com)
Acute occipital lobe stroke treatment depends on the cause of the stroke. (flintrehab.com)

A stroke in the occipital lobe often causes vision problems since this area of the brain processes visual input from the eyes. (flintrehab.com)
Each half of the occipital lobe processes visual information from the opposite side of the visual field. (flintrehab.com)
The occipital lobe processes visual information like patterns and colours. (braininjurycanada.ca)

The occipital aspects along the inside face of each hemisphere are divided by the calcarine sulcus. (wikipedia.org)
This syndrome is caused by unilateral lesions to the parietal or occipital lobes of the brain, especially in the right hemisphere. (emory.edu)
Anything to the left of his nose is not transmitted to his brain, because the occipital lobe in his right hemisphere is missing and cannot receive this information," Marlene Behrmann, Ph.D. , a professor of psychology at Carnegie Mellon University and the corresponding author on the paper, tells New Scientist . (inverse.com)
So nine months after his sixth birthday, doctors removed one-third of the right hemisphere of his brain, including some of his temporal lobe and his entire occipital lobe . (inverse.com)
Each hemisphere has a set of four lobes. (healthline.com)

Fig. 3 Axial susceptibility weighted imaging (SWI) and phase images through the same level show a low signal area in the left parietal lobe on both images suggesting calcification. (thieme-connect.com)
Case 1: Bone-window CT reveals calcification of the meningioma. (medscape.com)

The lobes of the brain are named from the overlying bone and the occipital bone overlies the occipital lobes. (wikipedia.org)
However, immediately behind this dark cone-shaped area there is a clearly visible dark streak across the occipital bone in the enhanced x-ray at the autopsy entry site. (kenrahn.com)

This article will discuss everything you should know about occipital lobe stroke, also known as occipital lobe infarct , and the recovery process. (flintrehab.com)
When an ischemic stroke occurs in the occipital lobe, it is formally called an occipital infarct . (flintrehab.com)

Case 1: Surgical view of the tumor. (medscape.com)

Intracerebral hemorrhage (ICH) accounts for ~10-15% of strokes in the West and 20-30% of strokes in Asia, with two million cases per year worldwide [ 1 ]. (nature.com)
In 2009, a man named Barry Beck suffered a series of strokes, which caused extensive damage to his right occipital lobe and to the brain stem. (kunc.org)

An injury to the frontal lobes will cause certain symptoms while an injury to the brain stem will produce others. (brainhealthandpuzzles.com)
MIS-A), the heterogeneity of clinical signs and symptoms, To identify potential published cases, a literature search was and the role for antibody testing in identifying similar cases performed on August 20, 2020, and 355 publications were among adults. (cdc.gov)

Trauma to the parietal lobe is marked by language difficulties. (brainhealthandpuzzles.com)
Since the occipital lobe is one of the parts of brain mostly concerned with vision, trauma sufferers usually have visual problems. (brainhealthandpuzzles.com)

Question 4: What possible complication can occur in this case. (radiologycases.my)
In rare cases, meningiomas occur in an intraventricular or intraosseous location. (medscape.com)

Now researchers from the Brain Research Center at the University of British Columbia report the case of a woman who has never been able to orient in her environment, even in the absence of any apparent brain damage. (scienceblogs.com)
Damage to the left parietal lobe may lead to problems in reading and math. (braininjurycanada.ca)
Damage to the left temporal lobe may cause problems in understanding and remembering language. (braininjurycanada.ca)
Damage to the right temporal lobe may cause problems in understanding and remembering non-verbal information such as pictures, diagrams, body language cues, and other visual messages. (braininjurycanada.ca)
Damage to the left occipital lobe may cause problems seeing things on the right side of space. (braininjurycanada.ca)
As such, damage to the frontal lobes may cause a "ripple effect" to other parts of the brain. (healthline.com)
In less serious cases, occipital lobe damage may cause loss of focus or blurred vision. (hkmlawfirm.com)

On October 2, 2020, this report was posted as an MMWR Early cases. (cdc.gov)

Herein we present a case of cyclosporin-induced encephalopathy with unusually prolonged vasospasm, which might have contributed to the slow recovery of the patient. (ajnr.org)
Vasospasm has been proposed as one of the mechanisms of cyclosporine A (CsA)-induced encephalopathy ( 1 ), although the first case of demonstrated vasospasm was reported only recently ( 2 ). (ajnr.org)
Herein, we report a further case of CsA-induced encephalopathy with vasospasm of a protracted course. (ajnr.org)

the full extent of V1 often continues onto the occipital pole. (wikipedia.org)

Nowhere has this occipital-lobe-versus-ocular-nerve conflict been more evident than a damning House Committee on Ethics report released Thursday on Rep. George Santos, the first-term Republican from Long Island, N.Y. Reading through all 56 pages of it is like looking through a mirror where everything on the other side of the glass is exactly as absurdist as possible. (yahoo.com)
Thus, when the right parental lobe is damaged, the patient is unable to deal with the left side of the world (Fig. 1). (emory.edu)
The parietal lobe is also divided into a left and right side. (braininjurycanada.ca)
The boundaries of the occipital lobe of the macaque are similar except that the rostral border as viewed from the side is well marked by the lunate sulcus of the macaque . (washington.edu)

In all cases, the PSD and right and left lens doses were 2.36 ± 1.28 Gy, 114.2 ± 54.6 mGy, and 189.8 ± 160.3 mGy, respectively. (go.jp)
The new case study is of a 43-year-old left-handed woman known as Patient 1 (Pt1). (scienceblogs.com)
Therefore, the right occipital lobe is responsible for processing input from the left visual field, and vice versa. (flintrehab.com)
There are left and right sides in the temporal lobe. (braininjurycanada.ca)
The left temporal lobe is responsible for language comprehension through listening and reading. (braininjurycanada.ca)
During the video EEG the typical epileptic activity was registered in the left temporal lobe. (neurolrc.ru)
Also the cyst in left occipital lobe was found. (neurolrc.ru)

When an artery that supplies blood to the occipital lobe, located in the back of the brain, becomes compromised, an occipital stroke occurs. (flintrehab.com)
A stroke specifically in the occipital lobe is rare because the arteries in this area have a safety mechanism for blood flow called the " Circle of Willis . (flintrehab.com)
Even with this safety mechanism in place, a stroke in the occipital lobe is still possible. (flintrehab.com)
Once a stroke in the occipital lobe has been treated and normal blood flow has been restored in the brain, the road to recovery begins. (flintrehab.com)
Because the primary function of the occipital lobe is processing visual input, a stroke in the occipital lobe can result in a variety of vision problems. (flintrehab.com)
It is important to note that an occipital lobe stroke does not directly affect the eyes, but rather impedes the brain's ability to process what the eyes are seeing. (flintrehab.com)
To illustrate the need for systematic approaches in care for VH as a presenting symptom, the investigators shared the case of a patient aged 77 years with a history of diabetes, atrial fibrillation, and stroke who presented to the emergency department dysarthric, combative, and delirious, with perceptual disturbances and disorganized thinking and behavior. (psychiatrictimes.com)
We describe 2 cases in coronavirus disease patients in lation treated with rivaroxaban (20 mg orally 1×/d), France involving presumed thrombotic stroke that oc- sought care for influenza-like illness and confusion. (cdc.gov)

While the occipital lobe is charged with visual processing, the temporal lobe also handles some degree of processing visual and auditory information, including, notably, facial recognition . (inverse.com)
It's separated into lobes that each handles various mental and physical functions. (brainhealthandpuzzles.com)

We present the clinical case of successful surgical treatment of patient with epilepsy due to FCD located in the dominant temporal lobe. (neurolrc.ru)

In interventional neuroradiology (INR), the evaluation of the peak skin dose (PSD) and lens dose is important because the patient radiation dose increases in cases in which the procedure is more difficult and complex. (go.jp)
In this article, we presented the case of a young woman patient with drug-resistant epilepsy. (thieme-connect.com)
In this article, we discussed the case of a young woman patient with refractory seizures who was presumed to have an intracranial granuloma as an epileptogenic focus, based on neuroimaging, but on histopathology it was diagnosed as PLNTY. (thieme-connect.com)
In some cases, a portion of the surgery is performed while the patient is awake, using medication to keep the person relaxed and pain free. (medicinenet.com)

With temporal lobe epilepsy , which is the most common type of epilepsy in teens and adults, the area where the seizures start -- called the seizure focus -- is located within the temporal lobe. (medicinenet.com)

Anatomy31

Diseases28

Chemicals and Drugs1

Analytical, Diagnostic and Therapeutic Techniques and Equipment18

Psychiatry and Psychology15

Phenomena and Processes10

Information Science3

Health Care1

Temporal lobes2

Parietal lobes4

Parieto-occipital region6

Cortical5

Frontal lobe20

Posterior4

Gyri2

Cerebrum2

Middle occipital gyrus2

Temporo-occipital1

Areas of the frontal1

Blindness5

Cerebellum2

Ventral4

Lesion3

Homonymous2

Cortex5

Medial4

Gyral1

Subcortical1

Hemianopia2

Bilateral3

Spatial3

Acute2

Processes visual3

Hemisphere5

Calcification2

Bone2

Infarct2

Tumor1

Strokes2

Symptoms2

Trauma2

Occur2

Damage7

20201

Encephalopathy3

Pole1

Side4

Left7

Stroke8

Handles2

Dominant1

Patient4

Epilepsy1