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Leptomeningeal disease

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https://www.readbyqxmd.com/read/27893883/use-of-magnetic-resonance-imaging-to-visualize-leptomeningeal-inflammation-in-patients-with-multiple-sclerosis-a-review
#1
Jonathan Zurawski, Hans Lassmann, Rohit Bakshi
Importance: Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system traditionally characterized by an initial relapsing-remitting clinical course and focal inflammatory lesions that have a predilection for the periventricular white matter. Recently, however, histopathologic and imaging studies have illustrated a more complex pathologic substrate involving cortical demyelination, gray matter atrophy, and meningeal inflammation. Neuroimaging advances have facilitated improved detection of cortical pathology, but our understanding of the pathogenesis of cortical disease remains incomplete...
November 28, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27890077/t-lymphocyte-immunophenotypes-in-the-cerebrospinal-fluid-of-dogs-with-visceral-leishmaniasis
#2
Fernanda G Grano, José Eduardo Dos S Silva, Guilherme D Melo, Juliana Perosso, Valéria M F Lima, Gisele F Machado
Visceral leishmaniasis (VL) is a disease causing several clinical manifestations in dogs, including neurological disorders. Nevertheless, there are few studies related to the evaluation of the brain alterations during VL. Evidences of the involvement of cerebral barriers in infected dogs was reported, including the presence of brain inflammatory infiltrate, with a predominance of CD3+ T cells. Therefore, the aim of this study was to determine the immunophenotypes of T lymphocytes in the cerebrospinal fluid (CSF), as well as in peripheral blood, and to correlate with brain alterations in dogs with VL...
December 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27884058/efficiency-of-silencing-rna-for-removal-of-transthyretin-v30m-in-a-ttr-leptomeningeal-animal-model
#3
Paula Gonçalves, Helena Martins, Susete Costelha, Luis F Maia, Maria Joao Saraiva
Some TTR mutants target the central nervous system (CNS). Familial amyloid polyneuropathy (FAP) with leptomeningeal involvement has been described in 9% of transthyretin (TTR) mutations and in valine for methionine at position 30 (V30M) patients. These individuals present dementia, ataxia, brain hemorrhages and focal neurological episodes (FNEs). FNEs occurred also in V30M FAP patients with longer disease duration, who have undergone liver transplant to remove the source of plasma mutant TTR as a form of treatment...
November 24, 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/27857459/primary-diffuse-leptomeningeal-oligodendrogliomatosis-a-case-report-and-literature-review
#4
Amarnath Chellathurai, Jay S Vaidya, Gopinathan Kathirvelu, Periakaruppan Alagappan
Primary leptomeningeal oligodendrogliomatosis (PLO) is a rare low-grade intracranial and spinal canal subarachnoid neoplasm without an obvious primary neoplasm in the brain or spinal cord parenchyma. We present here the serial progression of radiological findings of this rare disease in a 2-year-old male child whose clinical status deteriorated over a period of 4 months with the main complaint of partial seizures. During this period, the MR findings progressed from mild hydrocephalus with minimal leptomeningeal enhancement to leptomeningeal multiple cystic lesions in the entire neuraxis including the spine...
July 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/27847759/analysis-of-the-outcome-and-prognostic-factors-of-decompressive-craniectomy-between-young-and-elderly-patients-for-acute-middle-cerebral-artery-infarction
#5
Byung Rhae Yoo, Chan Jong Yoo, Myeong Jin Kim, Woo-Kyung Kim, Dae Han Choi
OBJECTIVE: We compared the effect of decompressive craniectomy between patients < 65 and ≥ 65 years age and investigated prognostics factors that may help predict favorable outcome in acute stroke patients undergoing decompressive surgery. MATERIALS AND METHODS: 52 patients diagnosed with acute middle cerebral artery (MCA) territory infarction that underwent decompressive craniectomy were retrospectively reviewed. The outcome of all patients were evaluated by assessing the Glasgow coma scale, Glasgow outcome scale (GOS), and Modified Rankin scale (mRS) six months after the onset of the disease...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27847569/retrospective-analysis-of-cerebrospinal-fluid-profiles-in-228-patients-with-leptomeningeal-carcinomatosis-differences-according-to-the-sampling-site-symptoms-and-systemic-factors
#6
Youngbo Shim, Ho-Shin Gwak, Sohee Kim, Jungnam Joo, Sang-Hoon Shin, Heon Yoo
OBJECTIVE: Elevated cell counts and protein levels in cerebrospinal fluid (CSF) result from disease activity in patients with leptomeningeal carcinomatosis (LMC). Previous studies evaluated the use of CSF profiles to monitor a treatment response or predict prognosis. CSF profiles vary, however, according to the sampling site and the patient's systemic condition. We compared lumbar and ventricular CSF profiles collected before intraventricular chemotherapy for LMC and evaluated the association of these profiles with patients' systemic factors and LMC disease activity...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27846613/guidelines-for-diagnosis-prevention-and-management-of-central-nervous-system-involvement-in-diffuse-large-b-cell-lymphoma-patients-by-the-spanish-lymphoma-group-geltamo
#7
Francisco-Javier Peñalver, Juan-Manuel Sancho, Adolfo de la Fuente, Maria-Teresa Olave, Alejandro Martin, Carlos Panizo, Elena Pérez, Antonio Salar, Alberto Orfao
: Diffuse large B-cell lymphoma patients have a 5% overall risk of central nervous system events (relapse or progression), which account for high morbidity and frequently fatal outcomes(1) and shortened overall survival of <6 months.(2) Early diagnosis of central nervous system events is critical for successful treatment and improved prognosis. Identification of patients at risk of central nervous system disease is critical to accurately identify candidates for central nervous system- prophylaxis vs...
October 20, 2016: Haematologica
https://www.readbyqxmd.com/read/27834741/impaired-collateral-flow-compensation-during-chronic-cerebral-hypoperfusion-in-the-type-2-diabetic-mice
#8
Yasuo Nishijima, Yosuke Akamatsu, Shih Yen Yang, Chih Cheng Lee, Utku Baran, Shaozhen Song, Ruikang K Wang, Teiji Tominaga, Jialing Liu
BACKGROUND AND PURPOSE: The presence of collaterals is associated with a reduced risk of stroke and transient ischemic attack in patients with steno-occlusive carotid artery disease. Although metabolic syndrome negatively impacts collateral status, it is unclear whether and to what extent type 2 diabetes mellitus affects cerebral collateral flow regulation during hypoperfusion. METHODS: We examined the spatial and temporal changes of the leptomeningeal collateral flow and the flow dynamics of the penetrating arterioles in the distal middle cerebral artery and anterior cerebral artery branches over 2 weeks after unilateral common carotid artery occlusion (CCAO) using optical coherent tomography in db/+ and db/db mice...
November 10, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27819019/olaparib-treatment-for-brca-mutant-ovarian-cancer-with-leptomeningeal-disease
#9
Madeleine Bangham, Robert Goldstein, Henry Walton, Jonathan A Ledermann
•Leptomeningeal disease occurs more commonly in BRCA-mutated ovarian cancer.•A clinically significant dose of olaprib is able to penetrate the leptomeninges.•Leptomeningeal metastases in a BRCA-mutated ovarian cancer responded to olaparib.
November 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27807492/novel-brentuximab-vedotin-combination-therapies-show-promising-activity-in-highly-refractory-cd30-non-hodgkin-lymphoma-a-case-series-and-review-of-the-literature
#10
Wilfred Delacruz, Robert Setlik, Arash Hassantoufighi, Shyam Daya, Susannah Cooper, Dale Selby, Alexander Brown
Non-Hodgkin lymphomas (NHLs) are a heterogeneous group of hematologic malignancies which typically respond to standard first-line chemoimmunotherapy regimens. Unfortunately, patients with refractory NHL face a poor prognosis and represent an unmet need for improved therapeutics. We present two cases of refractory CD30+ NHL who responded to novel brentuximab vedotin- (BV-) based regimens. The first is a patient with stage IV anaplastic large cell lymphoma (ALCL) with cranial nerve involvement who failed front-line treatment with cyclophosphamide, doxorubicin, vincristine, etoposide, and prednisone (CHOEP) and second line cyclophosphamide, vincristine, doxorubicin, dexamethasone alternating with high-dose methotrexate (MTX), and cytarabine (hyperCVAD) with intrathecal- (IT-) MTX and IT-cytarabine, but responded when BV was substituted for vincristine (hyperCBAD)...
2016: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/27802190/breast-cancer-brain-metastases-molecular-subtype-treatment-and-survival
#11
Jennifer A Crozier, Lauren F Cornell, Bhupendra Rawal, Edith A Perez
BACKGROUND: No clear guidelines exist for management of breast cancer brain metastases (BCBM). OBJECTIVE: We assessed the relationship between patient and tumor characteristics, treatment, and overall survival (OS). METHODS: We conducted a retrospective review of 196 patients who received brain radiation for BCBM between 2009-2013 at Mayo Clinic. Primary tumor characteristics were collected, including simplified molecular subtype. Other characteristics included patient's ECOG, number of brain lesions at BCBM diagnosis, and treatment received, including neurosurgery, whole-brain radiation therapy (WBRT), and stereotactic radiosurgery (SRS)...
October 14, 2016: Breast Disease
https://www.readbyqxmd.com/read/27794524/progressive-multiple-sclerosis-from-pathogenic-mechanisms-to-treatment
#12
Jorge Correale, María I Gaitán, María C Ysrraelit, Marcela P Fiol
During the past decades, better understanding of relapsing-remitting multiple sclerosis disease mechanisms have led to the development of several disease-modifying therapies, reducing relapse rates and severity, through immune system modulation or suppression. In contrast, current therapeutic options for progressive multiple sclerosis remain comparatively disappointing and challenging. One possible explanation is a lack of understanding of pathogenic mechanisms driving progressive multiple sclerosis. Furthermore, diagnosis is usually retrospective, based on history of gradual neurological worsening with or without occasional relapses, minor remissions or plateaus...
October 29, 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27792104/neurocutaneous-melanosis-presenting-as-cavernous-hemangioma-persistent-abdominal-pain
#13
Keman Liao, Shuanglin Que, Yongming Qiu, Shilei Zhang, Zhihua Chen
Neurocutaneous melanosis (NCM) is a rare congenital syndrome characterized by the presence of multiple congenital melanocytic nevi and the proliferation of melanocytes in the central nervous system. The authors present a 9-year-old Chinese boy whose clinical manifestations are intermittent headache for 2 months and persistent abdominal pain for 10 days. 3D-reconstruction computed tomography angiography image, digital subtraction angiography, and magnetic resonance imaging plus angiography (MRI+MRA) examinations results suggested that cavernoma at left frontal lobe potentially associated with hemorrhage...
October 27, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27742111/response-assessment-in-neuro-oncology-criteria-and-clinical-endpoints
#14
Raymond Y Huang, Patrick Y Wen
The Response Assessment in Neuro-Oncology (RANO) Working Group is an international multidisciplinary group whose goal is to improve response criteria and define endpoints for neuro-oncology trials. The RANO criteria for high-grade gliomas attempt to address the issues of pseudoprogression, pseudoresponse, and nonenhancing tumor progression. Incorporation of advanced MR imaging may eventually help improve the ability of these criteria to define enhancing and nonenhancing disease better. The RANO group has also developed criteria for neurologic response and evaluation of patients receiving immunologic therapies...
November 2016: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27725918/chemical-and-neuropathological-analyses-of-an-alzheimer-s-disease-patient-treated-with-solanezumab
#15
Alex E Roher, Chera L Maarouf, Tyler A Kokjohn, Christine Belden, Geidy Serrano, Marwan S Sabbagh, Thomas G Beach
INTRODUCTION: Based on the amyloid cascade hypothesis of Alzheimer's disease (AD) pathogenesis, a series of clinical trials involving immunotherapies have been undertaken including infusion with the IgG1 monoclonal anti-Aβ antibody solanezumab directed against the middle of the soluble Aβ peptide. In this report, we give an account of the clinical history, psychometric testing, gross and microscopic neuropathology as well as immunochemical quantitation of soluble and insoluble Aβ peptides and other proteins of interest related to AD pathophysiology in a patient treated with solanezumab...
2016: American Journal of Neurodegenerative Disease
https://www.readbyqxmd.com/read/27685920/survival-and-prognostic-factors-in-patients-with-brain-metastasis-single-center-experience
#16
Kemal Ekici, Oztun Temelli, Mustafa Dikilitas, Ibrahim Halil Dursun, Nihal Bozdag Kaplan, Ersoy Kekilli
PURPOSE: The purpose of this study was to evaluate the clinical status, prognostic factors and treatment modalities affecting survival in patients with brain metastasis. We aimed to evaluate the whole brain radiation therapy (WBRT) outcomes of patients with brain metastasis in our center. METHODS: Clinical data of 315 patients referred to our center between 2004 and 2014 with metastatic brain cancers were collected and analysed for possible relationships between survival time, age, gender, Karnofsky performance status (KPS), recursive partitioning analysis (RPA), primary tumor, number of brain lesions, surgery, radiation therapy scheme, extracranial metastatic status and primary disease control status...
July 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/27669228/radiological-patterns-of-brain-metastases-in-breast-cancer-patients-a-subproject-of-the-german-brain-metastases-in-breast-cancer-bmbc-registry
#17
Elena Laakmann, Isabell Witzel, Verena Scriba, Ulrich Grzyska, Christine Zu Eulenburg, Nicole Burchardi, Tobias Hesse, Florian Würschmidt, Tanja Fehm, Volker Möbus, Gunter von Minckwitz, Sibylle Loibl, Tjoung-Won Park-Simon, Volkmar Mueller
Evidence about distribution patterns of brain metastases with regard to breast cancer subtypes and its influence on the prognosis of patients is insufficient. Clinical data, cranial computed tomography (CT) and magnetic resonance imaging (MRI) scans of 300 breast cancer patients with brain metastases (BMs) were collected retrospectively in four centers participating in the Brain Metastases in Breast Cancer Registry (BMBC) in Germany. Patients with positive estrogen (ER), progesterone (PR), or human epidermal growth factor receptor 2 (HER2) statuses, had a significantly lower number of BMs at diagnosis...
September 23, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27668104/acute-myeloid-leukemia-relapse-presenting-as-complete-monocular-vision-loss-due-to-optic-nerve-involvement
#18
Shyam A Patel
Acute myeloid leukemia (AML) involvement of the central nervous system is relatively rare, and detection of leptomeningeal disease typically occurs only after a patient presents with neurological symptoms. The case herein describes a 48-year-old man with relapsed/refractory AML of the mixed lineage leukemia rearrangement subtype, who presents with monocular vision loss due to leukemic eye infiltration. MRI revealed right optic nerve sheath enhancement and restricted diffusion concerning for nerve ischemia and infarct from hypercellularity...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27666764/low-grade-schwann-cell-neoplasms-with-leptomeningeal-dissemination-clinicopathologic-and-autopsy-findings
#19
Erika F Rodriguez, Jaishri Blakeley, Shannon Langmead, Alessandro Olivi, Anthony Tufaro, Abeer Tabbarah, Gail Berkenblit, Justin M Sacks, Scott D Newsome, Elizabeth Montgomery, Fausto J Rodriguez
Leptomeningeal dissemination of low grade Schwann cell neoplasms is an exceptionally rare occurrence, and has not been well documented in the literature. We encountered two cases of leptomeningeal dissemination of low grade Schwann cell neoplasms. Patient 1 was a 63-year-old woman with NF1 and a progressive low grade MPNST developing from a diffuse/plexiform orbital neurofibroma that arose in childhood. The neoplasm demonstrated local and leptomeningeal dissemination intracranially leading to the patient's death...
September 22, 2016: Human Pathology
https://www.readbyqxmd.com/read/27617103/leptomeningeal-carcinomatosis-in-non-small-cell-lung-cancer-initial-response-to-erlotinib-followed-by-relapse-despite-continuing-radiological-resolution-of-disease
#20
Alvin J X Lee, Rachel Benamore, Monika Hofer, Meenali Chitnis
A 60-year-old male was diagnosed with T3, N3, M1b epidermal growth factor receptor (EGFR) mutant lung adenocarcinoma. Five months later he developed significant headaches, weakness and numbness of the left leg, and unsteadiness of gait. Magnetic resonance imaging (MRI) brain demonstrated subtle gyral enhancement indicative of early leptomeningeal infiltration. He was commenced on second-line erlotinib which improved his lower limb symptoms. Three months later he developed increased urinary frequency and redeveloped leg symptoms...
September 2016: Oxford Medical Case Reports
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