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neurologic paraneoplastic

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https://www.readbyqxmd.com/read/27905561/anti-hu-antibodies-activate-enteric-and-sensory-neurons
#1
Qin Li, Klaus Michel, Anita Annahazi, Ihsan E Demir, Güralp O Ceyhan, Florian Zeller, Lars Komorowski, Winfried Stöcker, Michael J Beyak, David Grundy, Gianrico Farrugia, Roberto De Giorgio, Michael Schemann
IgG of type 1 anti-neuronal nuclear antibody (ANNA-1, anti-Hu) specificity is a serological marker of paraneoplastic neurological autoimmunity (including enteric/autonomic) usually related to small-cell lung carcinoma. We show here that IgG isolated from such sera and also affinity-purified anti-HuD label enteric neurons and cause an immediate spike discharge in enteric and visceral sensory neurons. Both labelling and activation of enteric neurons was prevented by preincubation with the HuD antigen. Activation of enteric neurons was inhibited by the nicotinic receptor antagonists hexamethonium and dihydro-β-erythroidine and reduced by the P2X antagonist pyridoxal phosphate-6-azo (benzene-2,4-disulfonic acid (PPADS) but not by the 5-HT3 antagonist tropisetron or the N-type Ca-channel blocker ω-Conotoxin GVIA...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890383/-autoimmune-and-inflammatory-disorders-associated-with-lymphoid-hematological-malignancies
#2
E Grignano, A Mekinian, V Jachiet, P Coppo, O Fain
In this literature review, we reported autoimmune and inflammatory disorders associated with lymphoid hematological malignancies, including non-Hodgkin's lymphoma, Hodgkin's lymphoma and chronic lymphocytic leukemia. The different types of systemic involvement are classified by affected organ. We listed in this review the joint diseases, skin, neurologic, hematologic, renal, and vasculitis. We tried to determine whether there is a correlation between each autoimmune manifestation and a specific type of lymphoma or a particular feature that may support a paraneoplastic origin, if there is an impact on the prognosis of the hematological malignancy, and finally, we identified the different therapeutic strategies used in the literature...
November 24, 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/27886865/two-cases-of-pseudo-achalasia-with-lung-cancer-case-report-and-short-literature-review
#3
Taizou Hirano, Eisaku Miyauchi, Akira Inoue, Ryotaro Igusa, Shigeki Chiba, Kazuhiro Sakamoto, Hisatoshi Sugiura, Toshiaki Kikuchi, Masakazu Ichinose
Pseudo-achalasia with lung cancer is a rare complication. We present 2 cases of pseudo-achalasia with lung cancer and summarize previous reports. The previous reports suggested that lung cancer can be complicated with pseudo-achalasia caused by paraneoplastic neurological syndromes rather than direct invasion of the tumor cells to the lower esophageal sphincter, irrespective of the histology of the lung cancer; this can strongly influence the performance status. Treatment for pseudo-achalasia improves not only the symptoms, but also the performance status...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27882761/-paraneoplastic-neurological-syndromes-in%C3%A2-gynecological-malignancies
#4
L Janzová, L Minář, P Praksová, L Frola, P Ventruba
OBJECTIVE: The demonstration of life-threatening paraneoplastic syndrome with dominant neurological symptomatology in germinal ovarian malignancy. DESIGN: Literature review with case report. SETTING: Department of Gynecology and Obstetrics, Faculty of Medicine Masaryk University and University Hospital Brno. METHODS: The review outlines the issue of paraneoplastic syndromes. It describes the etiopathogenesis, the range of clinical symptoms, the diagnostic and therapeutic possibilities, along with a relevant case study which focuses on the paraneoplastic neurological symptoms in malignant germinal ovarian tumor...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27861223/gastrointestinal-and-urologic-sphincter-dysfunction-in-stiff-person-syndrome
#5
Oana M Dumitrascu, Evgeny I Tsimerinov, Richard A Lewis
OBJECTIVES: Stiff person syndrome is a neurologic disorder characterized by axial rigidity leading to progressive disability, with broad clinical spectrum. METHODS: We report 2 cases with unique clinical presentation. RESULTS: Two young men suffered progressive urinary retention requiring bladder catheterization, anorectal spasms and constipation, complicated subsequently with lower extremity trigger-induced spasms, and gait instability. Associated symptoms revealed brainstem involvement (vertigo, diplopia, and cranial neuropathies) and dysautonomia (abnormal sweating and orthostatic hypotension)...
December 2016: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/27833499/anesthesia-in-a-child-with-kinsbourne-syndrome-does-anesthesia-technique-matters
#6
N Nisa, P Talawar, B Vasudevan
Kinsbourne syndrome is a rare neurological paraneoplastic syndrome associated with neuroblastic tumors. There are very few literatures on its anesthetic management and interaction with anesthetic agents. The epileptogenic potential of certain anesthetic agents such as ketamine, etomidate, and meperidine might trigger opsoclonus and myoclonus and have an impact on the long-term neurological outcome. The objective of this case report is to discuss the safety of anesthetic agents and their relationship in a patient with Kinsbourne syndrome...
October 2016: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/27833317/paraneoplastic-syndrome-turned-out-to-be-non-hodgkin-s-lymphoma-on-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#7
Manas Kumar Sahoo, S T Arunraj, Achal Kumar Srivastava, Ranjit Kumar Sahoo, Rakesh Kumar, Chandrasekhar Bal
Paraneoplastic neurological syndromes (PNSs) are commonly encountered with underlying malignant pathology. Though anti--neuronal antibodies play a major role in the diagnosis of the underlying malignant pathology but at many times it becomes inconclusive. As early detection of the primary cause and its treatment gives the best result in such situations, there arises an early and accurate diagnostic need. We present a 65--year--old patient presenting with rapidly progressive quadriparesis with both distal and proximal involvement...
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27816258/anti-yo-positive-paraneoplastic-cerebellar-degeneration-in-the-setting-of-cholangiocarcinoma
#8
Aubree Bruhnding, Derek Notch, Albertine Beard
Paraneoplastic neurological syndromes are a rare complication of malignancy. Subacute cerebellar ataxia, or paraneoplastic cerebellar degeneration, usually presents in women with a subcate onset of gait instability, followed by progressive limb and trunk ataxia, dysarthria, diplopia, and dysphagia that occurs in the setting of, or precedes the diagnosis of, a gynecologic or breast malignancy and clinically stabilizes within six months. The most common autoantibody associated with PCD is purkinje cell cytoplasmic antibody type 1, also known as anti-Yo...
November 2, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27806421/-autoimmune-mediated-encephalomyelitis-a-heterogeneous-entity-in-between-neurology-and-psychiatry
#9
U K Zettl, A Dudesek, F Rimmele, H Zettl, R Patejdl
Within the last decade, autoantibody-associated encephalitis and encephalomyelitis have stepped into the focus of clinical research and practice. Besides the "classic" autoantibodies against intracellular neuronal antigenes, a growing number of antibodies directed against pre- and postsynaptic surface proteins of neurons have been described since the millennium change. Whereas the "classic" are closely linked to paraneoplastic syndromes, this association is loose for most of the yet known surface antigen-antibodies...
October 2016: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/27801769/adult-onset-opsoclonus-myoclonus-syndrome-associated-with-ganglionic-acetylcholine-receptor-autoantibody
#10
Jonathan R Galli, Stacey L Clardy, M Mateo Paz Soldán
INTRODUCTION: Opsoclonus-myoclonus syndrome (OMS) may have a toxin induced, parainfectious, or paraneoplastic etiology. Several autoantibodies have been associated with adult-onset OMS, most commonly antineuronal nuclear antibody 2 (Ri), and it is most frequently associated with breast or small cell lung cancer. The nicotinic ganglionic acetylcholine receptor autoantibody (α3-AChR Ab) has not been described in association. CASE REPORT: A 46-year-old woman was evaluated for symptoms of oscillopsia, tremor, gait imbalance, and mild cognitive deficits that began 6 weeks prior...
November 2016: Neurologist
https://www.readbyqxmd.com/read/27796550/hodgkin-s-lymphoma-associated-with-paraneoplastic-cerebellar-degeneration-in-children-a-case-report-and-review-of-the-literature
#11
Serdal Gungor, Betul Kilic, Mujgan Arslan, Unsal Ozgen, Josep Dalmau
Paraneoplastic cerebellar degeneration (PCD) can occur severely and appear as subacute cerebellar syndrome. PCD may be associated with small cell lung cancer, adenocarcinoma, breast cancer, ovarian carcinoma, and Hodgkin's lymphoma. An 11-year-old male was admitted with acute cerebellar ataxia, dysarthria, and diplopia. Mediastinal conglomerated lymph nodes were depicted in a chest computed tomography (CT) examination, and diagnosis of stage IV Hodgkin's lymphoma was obtained after a lymph node biopsy. The antibodies against Purkinje cells (anti-Tr antibody) were positive immunohistochemically...
October 29, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27795759/paraneoplastic-syndromes-revealing-ovarian-teratoma-in-young-and-menopausal-women-report-of-two-cases
#12
Majdouline Boujoual, Ihsan Hakimi, Farid Kassidi, Youssef Akhoudad, Nawal Sahel, Adil Rkiouak, Mohamed Allaoui, Hafsa Chahdi, Mohamed Oukabli, Jaouad Kouach, Driss Rahali Moussaoui, Mohamed Dehayni
Paraneoplastic syndromes are a heterogeneous group of clinical and biological manifestations caused by underling neoplasms. They can reveal ovarian teratoma which express neuroendocrine proteins, or contain mature or immature neural tissue inducing an autoimmune response. The etiological investigation is then crucial to early identification of the tumor in order to optimize the prognosis and to limit neurological sequelae. In case of ovarian teratoma, management is essentially based on surgical resection sometimes associated with immunotherapie...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27758720/-autoimmune-encephalitis-due-to-mantle-cell-lymphoma
#13
A A H Bressers, N A Goto, S Piepers, J C Regelink
BACKGROUND: Autoimmune encephalitis is a rare condition characterized by subacute development of cognitive and psychiatric symptoms. A paraneoplastic syndrome involves autoimmune encephalitis caused by classic antibodies. Although this condition is often associated with cancer, no malignancy has yet been found in 70-90% of patients at the time of diagnosis. CASE DESCRIPTION: We saw a 58-year-old male patient with fatigue, diarrhoea and weight loss. He was also experiencing hyperekplexia, personality changes and an instable gait...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27743761/hashimoto-s-encephalopathy-mimicking-creutzfeldt-jakob-disease
#14
Angela C Gauthier, Joachim M Baehring
Hashimoto's encephalopathy is a rare, imprecisely defined autoimmune neurologic syndrome associated with Hashimoto's thyroiditis that normally responds to corticosteroids. Here, we describe the case of a 55-year-old woman who presented with subacute cognitive decline and ataxia. Neoplastic, paraneoplastic, infectious, and metabolic etiologies were ruled out. Anti-TPO antibody level was markedly elevated at 966U/mL. After one month of 60mg/day of oral prednisone, she felt back to baseline and her Montreal Cognitive Assessment dramatically improved...
October 12, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27698847/paraneoplastic-morvan-s-syndrome-following-surgical-treatment-of-recurrent-thymoma-a-case-report
#15
Edvina Galié, Rosaria Renna, Domenico Plantone, Andrea Pace, Mirella Marino, Bruno Jandolo, Tatiana Koudriavtseva
Morvan's syndrome (MoS) is a rare, complex neurological disorder characterized by neuromyotonia, neuropsychiatric features, dysautonomia and neuropathic pain. The majority of MoS cases have a paraneoplastic aetiology, usually occurring prior to the diagnosis of the underlying tumour and showing improvement following its treatment. The present study reports the case of a 35-year-old Caucasian male patient who was diagnosed with stage IVA thymoma. Thymectomy, lung resection, diaphragmatic pleurectomy and pericardio-phrenectomy were performed 6 months after neoadjuvant chemotherapy...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27695211/aggressive-cervical-neuroblastoma-with-a-rare-paraneoplastic-syndrome-a-therapeutic-dilemma
#16
Sajid S Qureshi, Monica Bhagat, Jay Anam, Tushar Vora
Neuroblastoma is infrequently associated with paraneoplastic syndromes. Amongst the few, opsomyoclonus (Kinsbourne syndrome) is the most common neurological paraneoplastic syndrome and diarrhea secondary to increased secretion of vasoactive intestinal peptide (Kerner-Morrison syndrome), hormonal paraneoplastic syndrome. Hypothalamic dysfunction (HD) is a rare disorder and its manifestation as a paraneoplastic syndrome of neuroblastoma is uncommonly reported. We present an interesting case of an unrelenting cervical neuroblastoma associated with HD, which posed a therapeutic challenge...
October 2016: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/27667490/-autoimmune-encephalitis-associated-with-malignant-tumors
#17
Takashi Inuzuka
Autoimmune encephalitis consists of limbic symptoms and signs associated with antibodies against neuronal cell-surface antigens or intracellular antigens. Some cases are known to be associated with anti-channel or anti-receptor-related molecule antibodies. Whether these cases are paraneoplastic depends on the kinds of antigens that the antibodies are produced against. Other cases due to well-characterized onco-neural antibodies are almost always paraneoplastic and are generally resistant to anti-tumor therapy and/or immunotherapy...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27659377/paraneoplastic-polymyositis-presenting-as-a-clinically-occult-breast-cancer
#18
N Merali, M Yousuff, V Pronisceva, A Poddar
Paraneoplastic syndrome affects less than 1% of cancer patients. Diagnosis of paraneoplastic syndrome with neurological presentation requires screening for an underlying malignancy, including a complete history, physical examination and imaging studies. Treatment often results in symptom stability, rather than improvement. Paraneoplastic polymyositis can precede or instantaneously occur at diagnosis or treatment of a primary tumour, while neurological symptoms can persist even following cancer treatment. We report a rare case of metaplastic breast carcinoma with an unusual presentation of paraneoplastic polymyositis...
September 23, 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/27629954/paraneoplastic-limbic-encephalitis-in-a-human-epidermal-growth-factor-receptor-2-positive-gastric-cancer-patient-treated-with-trastuzumab-combined-chemotherapy-a-case-report-and-literature-review
#19
Yu Uneno, Akira Yokoyama, Yoshitaka Nishikawa, Taro Funakoshi, Yoshinao Ozaki, Ikuo Aoyama, Kiichiro Baba, Daisuke Yamaguchi, Shuko Morita, Yukiko Mori, Masashi Kanai, Hisanori Kinoshita, Takeshi Inoue, Nobukatsu Sawamoto, Riki Matsumoto, Shigemi Matsumoto, Manabu Muto
Paraneoplastic neurological syndromes (PNSs) are rare nervous system dysfunctions in cancer patients, which are primarily observed with small-cell lung cancer, gynecological cancer, and thymoma. We herein present an uncommon case of PNS in an anti-Hu antibody-positive patient with human epidermal growth factor receptor (HER)-2-positive gastric cancer (GC), who developed limbic encephalitis and a worsening cognitive function. Trastuzumab-combined chemotherapy was initiated and appeared to be partially effective for controlling the neurological symptoms and tumor volume...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27618707/autoimmune-glial-fibrillary-acidic-protein-astrocytopathy-a-novel-meningoencephalomyelitis
#20
Boyan Fang, Andrew McKeon, Shannon R Hinson, Thomas J Kryzer, Sean J Pittock, Allen J Aksamit, Vanda A Lennon
Importance: A novel astrocytic autoantibody has been identified as a biomarker of a relapsing autoimmune meningoencephalomyelitis that is immunotherapy responsive. Seropositivity distinguishes autoimmune glial fibrillary acidic protein (GFAP) meningoencephalomyelitis from disorders commonly considered in the differential diagnosis. Objective: To describe a novel IgG autoantibody found in serum or cerebrospinal fluid that is specific for a cytosolic intermediate filament protein of astrocytes...
September 12, 2016: JAMA Neurology
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