<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">nnp</journal-id><journal-title-group><journal-title xml:lang="en">Neurology, Neuropsychiatry, Psychosomatics</journal-title><trans-title-group xml:lang="ru"><trans-title>Неврология, нейропсихиатрия, психосоматика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-2711</issn><issn pub-type="epub">2310-1342</issn><publisher><publisher-name>"IMA-Press", LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14412/2074-2711-2019-3-74</article-id><article-id custom-type="elpub" pub-id-type="custom">nnp-1177</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group></article-categories><title-group><article-title>A clinical case of cerebellar ataxia with neuropathy and vestibular areflexia syndrome in the presence of polycythemia vera</article-title><trans-title-group xml:lang="ru"><trans-title>Клинический случай синдрома церебеллярной атаксии, невропатии и вестибулярной арефлексии на фоне истинной полицитемии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафин</surname><given-names>Ш. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Safin</surname><given-names>Sh. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450008, Уфа, ул. Ленина, 3</p></bio><bio xml:lang="en"><p>3, Lenin St., Ufa 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бакиров</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakirov</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450008, Уфа, ул. Ленина, 3</p></bio><bio xml:lang="en"><p>3, Lenin St., Ufa 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деревянко</surname><given-names>Х. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Derevyanko</surname><given-names>Kh. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450008, Уфа, ул. Ленина, 3</p></bio><bio xml:lang="en"><p>3, Lenin St., Ufa 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Байков</surname><given-names>Д. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Baikov</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450008, Уфа, ул. Ленина, 3</p></bio><bio xml:lang="en"><p>3, Lenin St., Ufa 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хафизов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khafizov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>450008, Уфа, ул. Ленина, 3</p></bio><bio xml:lang="en"><p>3, Lenin St., Ufa 450008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Башкирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>30</day><month>10</month><year>2019</year></pub-date><volume>11</volume><issue>3</issue><fpage>74</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Safin S.M., Bakirov B.A., Derevyanko K.P., Baikov D.E., Khafizov M.M., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Сафин Ш.М., Бакиров Б.А., Деревянко Х.П., Байков Д.Э., Хафизов М.М.</copyright-holder><copyright-holder xml:lang="en">Safin S.M., Bakirov B.A., Derevyanko K.P., Baikov D.E., Khafizov M.M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://nnp.ima-press.net/nnp/article/view/1177">https://nnp.ima-press.net/nnp/article/view/1177</self-uri><abstract><p>Cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome (CANVAS) is a slowly progressive ataxic disorder characterized by the triad of cerebellar impairment, bilateral vestibular hypofunction, and sensory polyneuropathy. The paper describes a clinical case of this syndrome in a 40-year-old patient who has been followed up by hematologists for polycythemia vera for 10 years.</p></abstract><trans-abstract xml:lang="ru"><p>Синдром церебеллярной атаксии, невропатии и вестибулярной арефлексии (cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome, CANVAS) – медленно прогрессирующее атактическое расстройство, характеризующееся триадой признаков: поражением мозжечка, двусторонним снижением вестибулярных функций и сенсорной полиневропатией. Представлено клиническое наблюдение этого синдрома у пациента 40 лет, который в течение 10 лет наблюдался у гематологов по поводу истинной полицитемии.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>церебеллярная атаксия</kwd><kwd>невропатия</kwd><kwd>вестибулярная арефлексия</kwd><kwd>истинная полицитемия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cerebellar ataxia</kwd><kwd>neuropathy</kwd><kwd>vestibular areflexia</kwd><kwd>polycythemia vera</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают особую благодарность профессору Л.Р. Ахмадеевой за консультативную помощь при проведении обследования и лечения пациента, представленного в настоящей статье.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Szmulewicz D, McLean C, MacDougall H, et al. CANVAS an update: Clinical presentation, investigation and management. J Vestib Res. 2014;24(5-6):465-74. doi: 10.3233/VES140536.</mixed-citation><mixed-citation xml:lang="en">Szmulewicz D, McLean C, MacDougall H, et al. CANVAS an update: Clinical presentation, investigation and management. J Vestib Res. 2014;24(5-6):465-74. doi: 10.3233/VES140536.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Taki M, Nakamura T, Matsuura H, et al. Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS). Auris Nasus Larynx. 2018 Aug;45(4):866-870. doi: 10.1016/j.anl.2017.10.008. Epub 2017 Oct 28.</mixed-citation><mixed-citation xml:lang="en">Taki M, Nakamura T, Matsuura H, et al. Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS). Auris Nasus Larynx. 2018 Aug;45(4):866-870. doi: 10.1016/j.anl.2017.10.008. Epub 2017 Oct 28.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Пальчун ВТ, Гусева АЛ, Чистов СД и др. Отоневрологическое обследование пациента с головокружением. Вестник оториноларингологии. 2015;(5):60-6.</mixed-citation><mixed-citation xml:lang="en">Pal'chun VT, Guseva AL, Chistov SD, et al. Otoneurological examination of a patient with dizziness. Vestnik otorinolaringologii. 2015;(5):60-6. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Szmulewicz DJ, McLean CA, Rodriguez ML, et al. Dorsal root ganglionopathy is responsible for the sensory impairment in CANVAS. Neurology. 2014 Apr 22;82(16):1410-5. doi: 10.1212/WNL.0000000000000352. Epub 2014 Mar 28.</mixed-citation><mixed-citation xml:lang="en">Szmulewicz DJ, McLean CA, Rodriguez ML, et al. Dorsal root ganglionopathy is responsible for the sensory impairment in CANVAS. Neurology. 2014 Apr 22;82(16):1410-5. doi: 10.1212/WNL.0000000000000352. Epub 2014 Mar 28.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Umeh C, Polydefkis M, Chaudhry V, et al. Sweat Gland Denervation in Cerebellar Ataxia with Neuropathy and Vestibular Areflexia Syndrome (CANVAS). Mov Disord Clin Pract. 2016 Apr 5;4(1):46-48. doi: 10.1002/mdc3.12355. eCollection 2017 Jan-Feb.</mixed-citation><mixed-citation xml:lang="en">Umeh C, Polydefkis M, Chaudhry V, et al. Sweat Gland Denervation in Cerebellar Ataxia with Neuropathy and Vestibular Areflexia Syndrome (CANVAS). Mov Disord Clin Pract. 2016 Apr 5;4(1):46-48. doi: 10.1002/mdc3.12355. eCollection 2017 Jan-Feb.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Cazzato D, Bella ED, Dacci P, et al. Cerebellar ataxia, neuropathy, and vestibular areflexia syndrome: a slowly progressive disorder with a stereotypical presentation. J Neurol. 2016 Feb;263(2):245-249. doi: 10.1007/s00415-015-7951-9. Epub 2015 Nov 14.</mixed-citation><mixed-citation xml:lang="en">Cazzato D, Bella ED, Dacci P, et al. Cerebellar ataxia, neuropathy, and vestibular areflexia syndrome: a slowly progressive disorder with a stereotypical presentation. J Neurol. 2016 Feb;263(2):245-249. doi: 10.1007/s00415-015-7951-9. Epub 2015 Nov 14.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Страдников ВА, Фисенко ЕП, редакторы. Нормальная ультразвуковая анатомия внутренних органов и поверхностно расположенных структур. Москва: Стром; 2012.</mixed-citation><mixed-citation xml:lang="en">Stradnikov VA, Fisenko EP, editors. Normal'naya ul'trazvukovaya anatomiya vnutrennikh organov i poverkhnostno raspolozhennykh struktur [Normal ultrasound anatomy of internal organs and surface structures]. Moscow: Strom; 2012.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Терегулова ДР, Бакиров БА, Байков ДЭ и др. Неврологические осложнения хронического лимфолейкоза у взрослых. Неврологический вестник имени В.М. Бехтерева. 2015;47(3):59-66.</mixed-citation><mixed-citation xml:lang="en">Teregulova DR, Bakirov BA, Baikov DE, et al. Neurological complications of chronic lymphocytic leukemia in adults. Nevrologicheskii vestnik imeni V.M. Bekhtereva. 2015;47(3):59-66. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Савченго ВГ, редактор. Алгоритмы диагностики и протоколы лечения заболеваний системы крови. Том 1. Москва: Практика; 2018. 196 с.</mixed-citation><mixed-citation xml:lang="en">Savchengo VG, redaktor. Algoritmy diagnostiki i protokoly lecheniya zabolevanii sistemy krovi [Algorithms of diagnostics and protocols of treatment of diseases of the blood system]. Volume 1. Moscow: Praktika; 2018. 196 p.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Migliaccio AA, Halmagyi GM, McGarvie LA, et al. Cerebellar ataxia with bilateral vestibulopathy: description of a syndrome and its characteristic clinical sign. Brain. 2004 Feb;127(Pt 2):280-93. Epub 2003 Nov 7.</mixed-citation><mixed-citation xml:lang="en">Migliaccio AA, Halmagyi GM, McGarvie LA, et al. Cerebellar ataxia with bilateral vestibulopathy: description of a syndrome and its characteristic clinical sign. Brain. 2004 Feb;127(Pt 2):280-93. Epub 2003 Nov 7.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Szmulewicz DJ, Waterston JA, MacDougall HG, et al. Cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS): a review of the clinical features and video-oculographic diagnosis. Ann N Y Acad Sci. 2011 Sep;1233:139-47. doi: 10.1111/j.1749-6632.2011.06158.x.</mixed-citation><mixed-citation xml:lang="en">Szmulewicz DJ, Waterston JA, MacDougall HG, et al. Cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS): a review of the clinical features and video-oculographic diagnosis. Ann N Y Acad Sci. 2011 Sep;1233:139-47. doi: 10.1111/j.1749-6632.2011.06158.x.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Davies R. Bedside neuro-otological examination and interpretation of commonly used investigations. J Neurol Neurosurg Psychiatry. 2004 Dec;75 Suppl 4:iv32-44.</mixed-citation><mixed-citation xml:lang="en">Davies R. Bedside neuro-otological examination and interpretation of commonly used investigations. J Neurol Neurosurg Psychiatry. 2004 Dec;75 Suppl 4:iv32-44.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Гусева СА, Бессмельцев СС, Абдулкадыров КМ и др. Истинная полицитемия. Санкт-Петербург: Логос; 2009. 405 с.</mixed-citation><mixed-citation xml:lang="en">Guseva SA, Bessmel'tsev SS, Abdulkadyrov KM, et al. Istinnaya politsitemiya [True polycythemia]. Saint-Petersburg: Logos; 2009. 405 p.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Демидова АВ, Коцюбинский НН, Мазуров ВИ. Эритремия и вторичные эритроцитозы. Санкт-Петербург: СПбМАПО; 2001. 228 с.</mixed-citation><mixed-citation xml:lang="en">Demidova AV, Kotsyubinskii NN, Mazurov VI. Eritremiya i vtorichnye eritrotsitozy [Erythremia and secondary erythrocytosis]. Saint-Petersburg: SPbMAPO; 2001. 228 p.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Maffioli M, Mora B, Passamonti F, et al. Polycythemia vera: from new, modified diagnostic criteria to new therapeutic approaches. Clin Adv Hematol Oncol. 2017 Sep;15(9):700-707.</mixed-citation><mixed-citation xml:lang="en">Maffioli M, Mora B, Passamonti F, et al. Polycythemia vera: from new, modified diagnostic criteria to new therapeutic approaches. Clin Adv Hematol Oncol. 2017 Sep;15(9):700-707.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Ania BJ, Suman VJ, Sobell JL, et al. Trends in the incidence of polycythemia vera among Olmsted County, Minnesota residents, 1935–1989. Am J Hematol. 1994 Oct;47(2):89-93.</mixed-citation><mixed-citation xml:lang="en">Ania BJ, Suman VJ, Sobell JL, et al. Trends in the incidence of polycythemia vera among Olmsted County, Minnesota residents, 1935–1989. Am J Hematol. 1994 Oct;47(2):89-93.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">McMullin MF. The classification and diagnosis of erythrocytosis. Int J Lab Hematol. 2008 Dec;30(6):447-59. doi: 10.1111/j.1751-553X.2008.01102.x. Epub 2008 Sep 23.</mixed-citation><mixed-citation xml:lang="en">McMullin MF. The classification and diagnosis of erythrocytosis. Int J Lab Hematol. 2008 Dec;30(6):447-59. doi: 10.1111/j.1751-553X.2008.01102.x. Epub 2008 Sep 23.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Marchioli R, Finazzi G, Landolfi R, et al. Vascular and Neoplastic Risk in a Large Cohort of Patients With Polycythemia Vera. J Clin Oncol. 2005 Apr 1;23(10):2224-32. Epub 2005 Feb 14.</mixed-citation><mixed-citation xml:lang="en">Marchioli R, Finazzi G, Landolfi R, et al. Vascular and Neoplastic Risk in a Large Cohort of Patients With Polycythemia Vera. J Clin Oncol. 2005 Apr 1;23(10):2224-32. Epub 2005 Feb 14.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Passamonti F, Malabarba L, Orlandi E, et al. Polycythemia vera in young patients: a study on the long-term risk of thrombosis, myelofibrosis, and leukemia. Haematologica. 2003 Jan;88(1):13-8.</mixed-citation><mixed-citation xml:lang="en">Passamonti F, Malabarba L, Orlandi E, et al. Polycythemia vera in young patients: a study on the long-term risk of thrombosis, myelofibrosis, and leukemia. Haematologica. 2003 Jan;88(1):13-8.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Cervantes F, Passamonti F, Barosi G. Life expectancy and prognostic factors in the classic BCR. ABL-negative myeloproliferative disorders. Leukemia. 2008 May;22(5):905-14. doi: 10.1038/leu.2008.72. Epub 2008 Apr 3.</mixed-citation><mixed-citation xml:lang="en">Cervantes F, Passamonti F, Barosi G. Life expectancy and prognostic factors in the classic BCR. ABL-negative myeloproliferative disorders. Leukemia. 2008 May;22(5):905-14. doi: 10.1038/leu.2008.72. Epub 2008 Apr 3.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Passamonti F, Griesshammer M, Palandri F. Ruxolitinib for the treatment of inadequately controlled polycythaemia vera without splenomegaly (RESPONSE-2): a randomised, open-label, phase 3b study. Lancet Oncol. 2017 Jan;18(1):88-99. doi: 10.1016/S1470-2045(16) 30558-7. Epub 2016 Dec 2.</mixed-citation><mixed-citation xml:lang="en">Passamonti F, Griesshammer M, Palandri F. Ruxolitinib for the treatment of inadequately controlled polycythaemia vera without splenomegaly (RESPONSE-2): a randomised, open-label, phase 3b study. Lancet Oncol. 2017 Jan;18(1):88-99. doi: 10.1016/S1470-2045(16) 30558-7. Epub 2016 Dec 2.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Gerds AT, Dao KH. Polycythemia Vera Management and Challenges in the Community Health Setting. Oncology. 2017; 92(4):179-189. doi: 10.1159/000454953. Epub 2017 Jan 18.</mixed-citation><mixed-citation xml:lang="en">Gerds AT, Dao KH. Polycythemia Vera Management and Challenges in the Community Health Setting. Oncology. 2017; 92(4):179-189. doi: 10.1159/000454953. Epub 2017 Jan 18.</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Tefferi A, Barbui T. Polycythemia vera and essential thrombocythemia: 2017 update on diagnosis, risk-stratification, and management. Am J Hematol. 2017 Jan;92(1):94-108. doi: 10.1002/ajh.24607.</mixed-citation><mixed-citation xml:lang="en">Tefferi A, Barbui T. Polycythemia vera and essential thrombocythemia: 2017 update on diagnosis, risk-stratification, and management. Am J Hematol. 2017 Jan;92(1):94-108. doi: 10.1002/ajh.24607.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
