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homonymous hemianopsia

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https://www.readbyqxmd.com/read/27905341/heidenhain-variant-of-creutzfeldt-jakob-disease-in-a-patient-who-had-bovine-bioprosthetic-valve-implantation
#1
Jehard Hashoul, Waleed Saliba, Irina Bloch, Haneen Jabaly-Habib
Creutzfeldt-Jakob disease (CJD) is a rare neurodegenerative disorder characterized by rapidly progressing dementia, general neurologic deterioration, and death. When the leading symptoms are visual disturbances, it is termed as the Heidenhain variant of CJD (HvCJD). CJD was reported following prion-contaminated pericardium transplants but never after bovine bioprosthetic cardiac valve. In this case report, we describe HvCJD in a patient who had a bovine bioprosthetic cardiac valve implant. An 82-year-old-woman was referred to neuro-ophthalmology clinic for unexplained visual loss that started 1 month previously...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27871966/improvement-in-compensation-for-chronic-post-stroke-homonymous-hemianopsia-following-initiation-of-an-ssri-a-case-report
#2
Benjamin A Abramoff, S Byron Milton, Samir R Belagaje
Homonymous hemianopsia (HH) is a common adverse outcome following stroke. Spontaneous improvement more than 6 months post stroke is thought to be unlikely, and traditional visual rehabilitation techniques lack clear evidence of efficacy. The case presented is of a 22 year-old woman who demonstrated improved compensation of her stroke-induced HH following the initiation of a selective serotonin reuptake inhibitor (SSRI). There is evidence supporting the use of SSRIs to improve post-stroke cognitive impairment, motor impairment and depression...
November 18, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27832620/-a-case-of-juvenile-cerebral-infarction-due-to-reversible-cerebral-vasoconstriction-syndrome
#3
Masaki Koh, Yoshifumi Tsuboi, Osamu Fukuda
A 19-year-old woman had a thunderclap headache, followed by left hemiparesis and left homonymous hemianopsia. Laboratory tests showed no signs of infection and immunological test results were unremarkable. MRI revealed a cerebral infarction in the right posterior cerebral artery territory, and digital subtraction angiography(DSA)showed right posterior cerebral artery stenosis on day 2. The first follow-up DSA demonstrated an irregular, bead-like appearance on day 9, but the stenotic lesion returned to normal on day 21...
November 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27773906/lateral-geniculate-body-presenting-only-hemorrhage-homonymous-hemianopia-a-case-report
#4
Haruki Tokida, Yuhei Kanaya, Yutaka Shimoe, Shigeru Yamori, Koichi Tagawa, Masaru Kuriyama
We report a case of a 55-year-old man who developed acute-onset narrowing of his visual field. He showed right homonymous hemianopsia without any other neurological symptoms and signs. Brain CT and MRI showed localized hemorrhage (about 1.6 ml) in the left lateral geniculate body (LGB). A cerebral angiography showed no vascular anomalies of cerebral vessels, and the left anterior choroidal artery and left lateral posterior choroidal artery could be visualized well. He had hypertension, polycythemia and dyslipidemia and was a habitual smoker and an alcoholic...
November 29, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27673040/poster-283-improvement-in-compensation-for-chronic-post-stroke-homonymous-hemianopsia-following-initiation-of-an-ssri-a-case-report
#5
Benjamin A Abramoff, Samir Belagaje, Samuel Milton
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27622799/intracerebral-hemorrhage-caused-by-varicella-induced-thrombocytopenia
#6
Jairo Lizarazo, María Fernanda Castellanos, Claudia Rosa Omaña, Miguel Chaín, Sergio Villamizar
We present the case of a previously healthy 44-years-old man with chickenpox, severe thrombocytopenia, mucosal hemorrhage, and intracerebral hemorrhage in the right hemisphere. The patient was treated with platelets and high doses of steroids. He recovered although with persistent left homonymous hemianopsia and epilepsy, which were controlled with medication.
2016: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/27553846/characteristics-and-surgical-strategies-for-posterior-clinoid-process-meningioma-two-case-reports-and-review-of-the-literature
#7
Hajime Takase, Takafumi Kawasaki, Kensuke Tateishi, Taka-Akira Yokoyama, Hidetoshi Murata, Nobutaka Kawahara
Clinical and radiological features or characteristics of posterior clinoid process (PCP) meningiomas have rarely been described because of their extreme scarcity and terminological confusion. Therefore, the strategies in the surgical intervention for PCP meningiomas have not been well established. Moreover, the presence of deep and critical neuroanatomical structures and relatively high morbidity, which can be difficult to predict preoperatively, make their surgical excision more challenging. We report two surgical cases of PCP meningioma and discuss the appropriate assessment of preoperative features and surgical strategies with review of the literature...
August 24, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27472498/visual-field-restorative-rehabilitation-after-brain-injury
#8
Barbara Maria Matteo, Barbara Viganò, Cesare Giuseppe Cerri, Cecilia Perin
About 20%-30% of patients undergoing neurological rehabilitation report visual field defects, one of the most frequent of which is homonymous hemianopsia (loss of the same half of the visual field in both eyes). There is still no consensus as to whether homonymous hemianopsia is best treated in a restorative or compensatory manner. The aim of this review is to describe the effects of restorative rehabilitation, whose long-term efficacy is still being debated. We analyzed 56 articles describing the use of various techniques used to promote visual field recovery but concentrating on two approaches: "border training," which involves exercising vision at the edge of the damaged visual field, and "blindsight training," which is based on exercising unconscious perceptual functions in the mild of the blind hemifield where the scotoma is deep...
July 1, 2016: Journal of Vision
https://www.readbyqxmd.com/read/27366070/recognized-homonymous-hemianopsia-and-delirium-during-the-admission-examination-leading-to-diagnosis-and-appropriate-treatment-of-a-new-stroke
#9
Konstantin S Tsymbalov, Douglas R Fetkenhour
This case report describes the detection of homonymous hemianopsia and delirium during the admission physical examination of a patient with esophageal adenocarcinoma, resulting in the new diagnosis of subacute hemorrhagic stroke. The poststroke visual field defect can result in significant disability and reduction in quality of life. Patients with visual field cut show a severely reduced quality of life and require additional neuropsychological and visual rehabilitation. Only thorough physical examination is able to challenge prior negative positron emission tomography scan, leading to the diagnosis of subacute stroke and, following appropriate treatment, secondary stroke prophylaxis and rehabilitation, instead of brain radiation and chemotherapy...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27273271/retrograde-degeneration-of-retinal-ganglion-cells-secondary-to-head-trauma
#10
Lee Vien, Christina DalPorto, David Yang
PURPOSE: To discuss the clinical case of a patient with transsynaptic retrograde degeneration (TRD) demonstrated by progressive retinal nerve fiber layer loss documented by serial spectral domain optical coherence tomography secondary to traumatic brain injury after 2 months post-trauma. CASE REPORT: A 25-year-old Caucasian male patient presented to a polytrauma rehabilitation center (PRC) for evaluation and treatment secondary to a severe traumatic brain injury (TBI) from a motorcycle accident 2 months before...
June 3, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27247811/primary-intracranial-synovial-sarcoma
#11
Mohit Patel, Luyuan Li, Ha Son Nguyen, Ninh Doan, Grant Sinson, Wade Mueller
Background. Synovial sarcoma is an aggressive soft tissue sarcoma with uncertain histological origin. The pathology frequently presents as a localized disease, especially near large joints around the knee and thigh. Intracranial disease, which is rare, has been reported as metastasis from synovial sarcoma. We report a case with no obvious primary extracranial pathology, suggesting primary intracranial disease; this has not been reported in the literature. Case Description. A 21-year-old male, with a prior right skull lesion resection for atypical spindle cell neoplasm, presented with headaches, gait instability, left arm weakness, and left homonymous hemianopsia...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27213952/a-young-man-with-progressive-vision-and-hearing-loss
#12
Nathan H Kung, Robert C Bucelli, Renee B Van Stavern, Joel A Goebel, Gregory P Van Stavern
A 37-year-old man with a history of progressive bilateral sensorineural hearing loss presented to a neuro-ophthalmology clinic with an acute left homonymous hemianopsia. In this article, we discuss the clinical approach and differential diagnosis of progressive combined vision and hearing loss and guide the reader to discover the patient's ultimate diagnosis.
July 1, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27180794/homonymous-hemianopsia-associated-with-probable-alzheimer-s-disease
#13
Akiko Ishiwata, Kazumi Kimura
Posterior cortical atrophy (PCA) is a rare neurodegenerative disorder that has cerebral atrophy in the parietal, occipital, or occipitotemporal cortices and is characterized by visuospatial and visuoperceptual impairments. The most cases are pathologically compatible with Alzheimer's disease (AD). We describe a case of PCA in which a combination of imaging methods, in conjunction with symptoms and neurological and neuropsychological examinations, led to its being diagnosed and to AD being identified as its probable cause...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27162608/simple-partial-status-epilepticus-manifested-as-homonymous-hemianopsia-a-rare-intracranial-recording
#14
Anna Siatouni, Stylianos Gatzonis, Andreas Alexopoulos, Nikos Georgakoulias, Mathildi Papathanassiou, Stefanos Korfias, Vaso Zisimopoulou, Damianos Sakas
A 30-year-old woman with intractable seizures evaluated as surgical candidate. During presurgical evaluation an invasive electroencephalogram was recommended to define the location and extent of epileptogenic zone and relationship to epileptogenic lesion. On third monitoring night the patient complained of persistent homonymous hemianopsia following a habitual seizure. Concurrently, persistent epileptic activity was evident in a small, restricted area around the right calcarine fissure. The ictal discharges persisted for the next 30 h despite high-dose administration of intravenous antiepileptic drugs, until patient was taken to operating room...
March 25, 2016: Clinics and Practice
https://www.readbyqxmd.com/read/27085200/porphyromonas-gingivalis-causing-brain-abscess-in-patient-with-recurrent-periodontitis
#15
Jeong Rae Yoo, Sang Taek Heo, Miyeon Kim, Chang Sub Lee, Young Ree Kim
We report an extremely rare case of Porphyromonas gingivalis causing brain abscess in a patient with recurrent periodontitis. The patient presented with right-sided homonymous hemianopsia and right hemiparesis. Emergent surgical drainage was performed and antibiotics were administered. P. gingivalis was identified from the anaerobic culture of the abscess. The clinical course of the patient improved with full recovery of the neurologic deficit.
June 2016: Anaerobe
https://www.readbyqxmd.com/read/26939215/multiple-intracerebral-hemorrhages-in-an-old-patient-with-rheumatoid-arthritis
#16
Inimioara Mihaela Cojocaru, V Ştefănescu, Daniela Traşcă, Adelina Şerban-Pereţeanu, B Chicoş, M Cojocaru
A 78-year-old Caucasian man was admitted in the Department of Neurology for visual disturbances, started two days before. The next day the patient experienced headache, fever and gait disturbances. He had hypertension, diabetes mellitus, an ischemic stroke 13 years ago, longstanding seronegative rheumatoid arthritis (17 years), polynodular goiter, right ischio-pubian fracture and right femoral vein thrombosis a year ago due to a car accident, since he is treated with oral anticoagulants associated to antiaggregant, hypotensors, statin and oral antidiabetics...
October 2015: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/26759957/-hemorrhagic-cerebral-infarction-after-right-segmental-lung-resection%C3%AF-report-of-a-case
#17
Kazuki Hayasaka, Satoshi Shiono, Masato Katahira, Kei Yarimizu, Masami Abiko, Toru Sato
Postoperative hemorrhagic cerebral infarction is rare but fatal complication. We report a case of hemorrhagic cerebral infarction after lung cancer surgery without a history of atrial fibrillation and cerebrovascular disease. A 58-year-old man who have a history of diabetes mellitus, hypertension and dyslipidemia underwent right segmental lung resection. During surgery, he had no atrial fibrillation episode. On postoperative day 1, he presented a slight consciousness disturbance. On the day 2, he suffered from a headache and nausea...
December 2015: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/26355402/44-year-old-man-with-left-sided-paresthesias-and-homonymous-hemianopsia
#18
Eugene Tan, Jasmine Riviere Marcelin, Abinash Virk
No abstract text is available yet for this article.
September 2015: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/26212152/what-s-in-a-name
#19
Chia-Kai Chu, Michael L Morgan, Sumayya Almarzouqi, Andrew G Lee, Steven A Newman
A 51-year-old man with rheumatoid arthritis and diabetes mellitus presented with new onset left-sided hemiparesis, left-sided neglect, and left-sided incongruous, denser inferiorly, homonymous hemianopsia. Magnetic resonance image of the brain showed prominent swelling of the right frontal, parietal, and occipital lobes greater than on the left with significant change in the fluid-attenuated inversion recovery signal in the gray matter. Perinuclear antineutrophil cytoplasmic antibodies titers were elevated, and skin biopsy demonstrating leukocytoclastic vasculitis...
January 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/26208417/imaging-of-retrochiasmal-and-higher-cortical-visual-disorders
#20
REVIEW
Bundhit Tantiwongkosi, Noriko Salamon
Retrochiasmal visual pathways include optic tracts, lateral geniculate nuclei, optic radiations, and striate cortex (V1). Homonymous hemianopsia and field defect variants with relatively normal visual acuity suggest that the lesions involve retrochiasmal pathways. From V1, visual input is projected to higher visual association areas that are responsible for perception of objects, faces, colors, and orientation. Visual association areas are classified into ventral and dorsal pathways. Damage to the ventral stream results in visual object agnosia, prosopagnosia, and achromatopsia...
August 2015: Neuroimaging Clinics of North America
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