<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>1137-6627</journal-id>
<journal-title><![CDATA[Anales del Sistema Sanitario de Navarra]]></journal-title>
<abbrev-journal-title><![CDATA[Anales Sis San Navarra]]></abbrev-journal-title>
<issn>1137-6627</issn>
<publisher>
<publisher-name><![CDATA[Gobierno de Navarra. Departamento de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1137-66272017000300479</article-id>
<article-id pub-id-type="doi">10.23938/assn.0090</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bronconeumonia bilateral por Rothia mucilaginosa]]></article-title>
<article-title xml:lang="en"><![CDATA[Bilateral bronchopneumonia due to Rothia mucilaginosa]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalante Yangüela]]></surname>
<given-names><![CDATA[B. de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gracia Gutiérrez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gracia Tello]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alastrué del Castaño]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bueno Juana]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Algárate Cajo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Universitario Lozano Blesa Servicio de Medicina Interna ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Clínico Universitario Lozano Blesa Servicio de Microbiología ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>40</volume>
<numero>3</numero>
<fpage>479</fpage>
<lpage>483</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1137-66272017000300479&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1137-66272017000300479&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1137-66272017000300479&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Rothia mucilaginosa (R. mucilaginosa), antiguamente denominada Stomatococcus mucilaginosus, es un coco Gram positivo capsulado, anaerobio facultativo, que forma parte de la flora orofaríngea normal y raramente se considera patógeno en pacientes inmunocompetentes, aunque puede producir, de forma poco habitual, infecciones graves como bacteriemias, endocarditis e infecciones respiratorias: neumonías, empiemas pleurales o sobreinfección de bronquiectasias. Presentamos el caso de un varón de 74 años diagnosticado de neumonía basal derecha de evolución tórpida con mala respuesta inicial a diversos antibióticos, con empeoramiento clínico y radiológico y aparición de bronconeumonia bilateral con imágenes pseudonodulares. En 3 cultivos de esputos y en broncoaspirado se aisló R. mucilaginosa en cultivo puro. Finalmente fue tratado con Linezolid con buena respuesta clínica y normalización de la radiografía de tórax, comprobando la desaparición de R. mucilaginosa en posteriores cultivos de esputos. Existen pocos casos documentados de neumonía por R. mucilaginosa por lo que consideramos de interés presentar éste.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Rothia mucilaginosa (R. mucilaginosa), formerly named Stomatococcus mucilaginosus, is a facultatively anaerobic, encapsulated gram-positive coccus, which forms part of the normal oropharyngeal and is rarely considered to be a pathogen in immunocompetent patients, although it can produce, on rare occasions, serious infections like bacteremia, endocarditis and respiratory infections; such as pneumonia, pleural empyema or superinfection of bronchiectasis. We present the case of a 74-year-old male diagnosed with right basal pneumonia of torpid evolution with poor initial response to different antibiotics, with clinical and radiological worsening and the appearance of bilateral bronchopneumonia with pseudonodular images. R. mucilaginosa in pure culture was isolated in three sputum cultures and in bronchial suction. The patient was finally treated with Linezolid with good clinical response and normalisation of the thorax radiography, confirming the disappearance of R. mucilaginosa in subsequent sputum cultures. As there are few documented cases of pneumonia due to R. mucilaginosa, we believe that presenting this case will be of interest.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Rothia mucilaginosa]]></kwd>
<kwd lng="es"><![CDATA[Bronconeumonía]]></kwd>
<kwd lng="es"><![CDATA[Nódulos pulmonares]]></kwd>
<kwd lng="es"><![CDATA[Linezolid]]></kwd>
<kwd lng="en"><![CDATA[Rothia mucilaginosa]]></kwd>
<kwd lng="en"><![CDATA[Bronchopneumonia]]></kwd>
<kwd lng="en"><![CDATA[Pulmonary nodules]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salvador]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Arribi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Infección respiratoria por Rothia mucilaginosa]]></article-title>
<source><![CDATA[Casos de Microbiología Clínica]]></source>
<year>2014</year>
<numero>598</numero>
<issue>598</issue>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[Francisco Soria Melguizo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramanan]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
<name>
<surname><![CDATA[Osmon]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
<name>
<surname><![CDATA[Tosh]]></surname>
<given-names><![CDATA[PK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rothia bacteremia: a 10 year experience at Mayo Clinic, Rochester, Minnesota]]></article-title>
<source><![CDATA[J Clin Microbiol]]></source>
<year>2014</year>
<volume>52</volume>
<page-range>3184-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bayhan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Karadag Oncel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Cengiz]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Öksüz]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Aydin]]></surname>
<given-names><![CDATA[GB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacteriemia causada por Rothia mucilaginosa después de neumonía en un paciente con transplante de células progenitoras hematopoyéticas]]></article-title>
<source><![CDATA[Arch Argent Pediatr]]></source>
<year>2016</year>
<volume>114</volume>
<page-range>343-5</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Mateo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Vidal]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Rosillo]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
<name>
<surname><![CDATA[Merino]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Portilla]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Infección por Rothia mucilaginosa ¿Un patógeno respiratorio?]]></article-title>
<source><![CDATA[Enferm Infecc Microbiol Clin]]></source>
<year>2014</year>
<volume>32</volume>
<page-range>306-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baeza Martínez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Zamora Molina]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[García Sevilla]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Gil Carbonell]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos Rincón]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Martín Serrano]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neumonía por Rothia mucilaginosa en un paciente inmunocompetente]]></article-title>
<source><![CDATA[Arch Bronconeumol]]></source>
<year>2014</year>
<volume>50</volume>
<page-range>493-5</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Juanes]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Herrero]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identificación bacteriana mediante espectrofotometría de masas matrix-assisted laser desorption ionization time-of-flight. Comparación con la metodología habitual en los laboratorios de Microbiología Clinica]]></article-title>
<source><![CDATA[Enferm Infecc Microbiol Clin]]></source>
<year>2010</year>
<volume>28</volume>
<page-range>492-7</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Legarraga]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Moraga]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lam]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Geoffroy]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Zumarán]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacto de la espectrometría de masas por MALDI-TOF MS en la identificación rápida de bacterias aeróbicas y anaeróbicas de importancia clínica]]></article-title>
<source><![CDATA[Rev Chilena Infectol]]></source>
<year>2013</year>
<volume>30</volume>
<page-range>140-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Suárez Martínez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez Feijoo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Golpe Giménez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Absceso pulmonar por Rothia mucilagnosa en paciente inmunocompetente]]></article-title>
<source><![CDATA[Pneuma]]></source>
<year>2007</year>
<volume>7</volume>
<page-range>44-5</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rubin]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lyons]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Murcia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Endocarditis associated with catheterization due to Gram-positive coccus designated Micrococcus mucilaginosus incertae sedis]]></article-title>
<source><![CDATA[J Clin Microbiol]]></source>
<year>1978</year>
<volume>7</volume>
<page-range>546-9</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maraki]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ppadakis]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rothia mucilaginosa pneumonia: a literature review]]></article-title>
<source><![CDATA[Infect Dis]]></source>
<year>2015</year>
<volume>47</volume>
<page-range>125-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Savini]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Fazii]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Favaro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Astofi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Polilli]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Pompilio]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tuberculosis-like pneumonias by the aerobic actinomycetes Rhodococcus, Tsukamurella and Gordonia]]></article-title>
<source><![CDATA[Microbes Infect]]></source>
<year>2012</year>
<volume>14</volume>
<page-range>401-10</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fusconi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Conti]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[de Virgilio]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[de Vincentiis]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polmonite paucisintomatica da Rothia mucilaginosa: caso clinico e rassegna della letteratura]]></article-title>
<source><![CDATA[Infez Med]]></source>
<year>2009</year>
<volume>17</volume>
<page-range>100-4</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cho]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SO]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rothia mucilaginosa pneumonia diagnosed by quantitative cultures and intracellular organisms of bronchoalveolar lavage in a lymphoma patient]]></article-title>
<source><![CDATA[Ann Lab Med]]></source>
<year>2013</year>
<volume>33</volume>
<page-range>145-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barberán]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Marco]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Letang]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tratamiento de las infecciones producidas por microorganismos específicos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mensa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Gatell]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[García Sánchez]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Letang]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[López-Suñé]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Marco]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Guía de terapéutica antimicrobiana]]></source>
<year>2017</year>
<page-range>506</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Escofet-Zamora]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
