<?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>0034-9887</journal-id>
<journal-title><![CDATA[Revista médica de Chile]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. méd. Chile]]></abbrev-journal-title>
<issn>0034-9887</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Médica de Santiago]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-98872012000500012</article-id>
<article-id pub-id-type="doi">10.4067/S0034-98872012000500012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pustulosis subcórnea (enfermedad de Sneddon-Wilkinson): Caso clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Subcorneal pustular dermatosis: Report of one case]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela]]></surname>
<given-names><![CDATA[Yesenia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[Constanza]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bellolio]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
<xref ref-type="aff" rid="A05"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Clínica Alemana de Temuco Servicio de Dermatología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Hospital de Pitrufquén  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad de Chile Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Hospital Hernán Henríquez Aravena Anatomía Patológica ]]></institution>
<addr-line><![CDATA[Temuco ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="A05">
<institution><![CDATA[,Universidad de la Frontera  ]]></institution>
<addr-line><![CDATA[Temuco ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2012</year>
</pub-date>
<volume>140</volume>
<numero>5</numero>
<fpage>633</fpage>
<lpage>636</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.cl/scielo.php?script=sci_arttext&amp;pid=S0034-98872012000500012&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.cl/scielo.php?script=sci_abstract&amp;pid=S0034-98872012000500012&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.cl/scielo.php?script=sci_pdf&amp;pid=S0034-98872012000500012&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Background: We report a 35-year-old female patient with a one year history of a pustular and painful erythematous dermatitis, located in great folds, pubis and abdomen. She was evaluated in primary health care, receiving antifungal treatment, antimicrobials, topical and systemic non-steroidal anti-inflammatory drugs, with no response. A skin biopsy was compatible with subcorneal pustular dermatosis. She was initially treated with prednisone (0.8 mg/kg), observing a partial response. Therefore clotrimoxazole was initiated, obtaining an excellent response after 30 days of treatment.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dermatitis]]></kwd>
<kwd lng="en"><![CDATA[Skin diseases, eczematous]]></kwd>
<kwd lng="en"><![CDATA[Trimethoprin-Sulfamethoxa-zole combination]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="2">Rev Med Chile 2012; 140: 633&#45;636</font></p> 	    <p align="right"><font face="verdana" size="2"><strong>CASOS CL&Iacute;NICOS</strong></font></p> 	    <p align="justify">&nbsp;</p>  	    <p align="justify"><font face="verdana" size="4"><b>Pustulosis subc&oacute;rnea (enfermedad de Sneddon&#45;Wilkinson) Caso cl&iacute;nico</b></font></p> 	    <p align="justify"><font face="verdana" size="3"><strong>Subcorneal pustular dermatosis. Report of one case</strong></font></p>     <p align="justify">&nbsp;</p> 	    <p align="justify"><font face="verdana" size="2"><strong>Yesenia Valenzuela<sup>1</sup>, Constanza Ram&iacute;rez<sup>2,a</sup>, Enrique Bellolio<sup>3</sup></strong></font></p>  	    <p align="justify"><font face="verdana" size="2"><sup>1</sup>Servicio de Dermatolog&iacute;a, Cl&iacute;nica Alemana de Temuco, Hospital de Pitrufqu&eacute;n.    <br> 	</font><font face="verdana" size="2"><sup>2</sup>Facultad de Medicina, Universidad de Chile.    ]]></body>
<body><![CDATA[<br> 	</font><font face="verdana" size="2"><sup>3</sup>Anatom&iacute;a Patol&oacute;gica, Hospital Hern&aacute;n Henr&iacute;quez Aravena, Universidad de la Frontera, Temuco.    <br> 	</font><font face="verdana" size="2"><sup>a</sup>Interna de Medicina, Sede Norte, Universidad de Chile.</font></p>      <p align="justify"><font face="verdana" size="2"><a name="top"></a><a href="#back">Correspondencia a:</a></font></p>     <p align="justify"><hr width="100%" size="1"> 	    <p align="justify"><font face="verdana" size="2"><b><i>Background:</i></b> <i>We report a 35&#45;year&#45;old female patient with a one year history of a pustular and painful erythematous dermatitis, located in great folds, pubis and abdomen. She was evaluated in primary health care, receiving antifungal treatment, antimicrobials, topical and systemic non&#45;steroidal anti&#45;inflammatory drugs, with no response. A skin biopsy was compatible with subcorneal pustular dermatosis. She was initially treated with prednisone (0.8 mg/kg), observing a partial response. Therefore clotrimoxazole was initiated, obtaining an excellent response after 30 days of treatment.</i></font></p>  	    <p align="justify"><font face="verdana" size="2"><b><i>Key words:</i></b> <i>Dermatitis; Skin diseases, eczematous; Trimethoprin&#45;Sulfamethoxa&#45;zole combination.</i></font></p>     <p align="justify"><hr width="100%" size="1">      <p align="justify"><font face="verdana" size="2"> Las dermatosis neutrof&iacute;licas son un grupo de des&oacute;rdenes, caracterizados por lesiones cut&aacute;neas en que el examen histol&oacute;gico revela intenso infiltrado inflamatorio en epidermis y dermis, compuesto principalmente por neutr&oacute;filos sin evidencia de infecci&oacute;n<sup>1</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Dentro de &eacute;stas, se encuentra la dermatosis pustular subc&oacute;rnea (Enfermedad de Sneddon&#45;Wilkinson) la que fue descrita por primera vez en 1956<sup>2</sup>. Se trata de una erupci&oacute;n cr&oacute;nica, relativamente benigna y recurrente caracterizada por p&uacute;stulas fl&aacute;cidas agrupadas en un patr&oacute;n anular sobre piel normal o eritematosa en pliegues axilares y/o inguinales, tronco y extremidades proximales<sup>3</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Es un cuadro cl&iacute;nico poco frecuente, con reportes espor&aacute;dicos a nivel internacional, sin casos nacionales reportados. A continuaci&oacute;n se presenta un caso cl&iacute;nico y una revisi&oacute;n de la literatura.</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="3"><b>Caso cl&iacute;nico</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Paciente femenina, 35 a&ntilde;os. Antecedentes de hipotiroidismo en tratamiento con levotiroxina.</font></p>  	    <p align="justify"><font face="verdana" size="2">Presenta cuadro de un a&ntilde;o de evoluci&oacute;n caracterizado por p&aacute;pulo&#45;p&uacute;stulas muy dolorosas, algunas confluentes, formando placas eritematosas con m&aacute;rgenes descamativos en grandes pliegues, pubis y abdomen (<a href="#f1">Figura.1A</a>   y <a href="#f1">1B</a>). Consulta en atenci&oacute;n primaria de salud (APS) recibiendo m&uacute;ltiples tratamientos, antimic&oacute;ticos t&oacute;picos y sist&eacute;micos, cefadroxilo y ketoprofeno sin respuesta.</font></p> 	    <p align="center"><a name="f1"></a>    <br> </p>     <table width="50%" border="0" align="center">       <tr>         <td align="center"><img src="/fbpe/img/rmc/v140n5/art12-fig1.jpg" alt="" width="600" height="289"></td>       </tr>       <tr>         <td><font face="verdana" size="2"><strong>Figura 1. </strong>Fotograf&iacute;a cl&iacute;nica. A y B: Dermatosis eritematosa y pustular en pliegue submamario, inguinal y pubis. C y D: Despu&eacute;s de 2 meses de uso de terapia corticoidal. E y F: Tras 30 d&iacute;as de tratamiento con cotrimoxazol forte donde se observa resoluci&oacute;n de las lesiones.</font></td>       </tr>     </table>     
<p align="justify"><font face="verdana" size="2">Evaluada por m&eacute;dico internista, es derivada urgente a dermat&oacute;logo, dado el dolor invalidante que manifestaba la paciente.</font></p>  	    <p align="justify"><font face="verdana" size="2">Se sospecha p&eacute;nfigo Hailey&#45;Hailey indic&aacute;ndose hospitalizaci&oacute;n y biopsia. El estudio histopatol&oacute;gico de las lesiones identific&oacute; p&uacute;stulas subcorneales con abundante infiltrado inflamatorio polimorfonuclear neutr&oacute;filo y epidermis con espongiosis leve compatible con una pustulosis subc&oacute;rnea (<a href="#f2">Figura.2</a>  ). Se inici&oacute; tratamiento con corticoides endovenosos y analgesia; con posterior cambio a corticoides orales (Prednisona 0,8 mg/Kg/peso). Al mes de tratamiento present&oacute; disminuci&oacute;n parcial del eritema, descamaci&oacute;n y dolor; sin embargo, continuaban apareciendo nuevas lesiones, por lo que se mantuvo la dosis durante otro mes. Al </font><font face="verdana" size="2">nuevo control, persist&iacute;an p&aacute;pulas eritematosas y escasas p&uacute;stulas, asociadas a leve ardor y prurito (<a href="#f1">Figura.1C</a>   y <a href="#f1">1D</a>). Se decidi&oacute; iniciar cotrimoxazol forte (160/800 mg) un comprimido cada 12 hrs por 10 d&iacute;as y luego un comprimido al d&iacute;a por 20 d&iacute;as. Al completar tratamiento, la paciente present&oacute; excelente respuesta, s&oacute;lo hiperpigmentaci&oacute;n </font><font face="verdana" size="2">residual y refer&iacute;a estar completamente asintom&aacute;tica (<a href="#f1">Figura.1E</a>   y <a href="#f1">1F</a>). Se solicit&oacute; glucosa&#45;6&#45;fosfato deshidrogenasa para iniciar dapsona, sin embargo, la respuesta terap&eacute;utica a esta sulfa, tras dos meses de uso, fue inferior a la observada con el uso del cotrimoxazol, por lo que actualmente contin&uacute;a con este &uacute;ltimo antibi&oacute;tico.</font></p> 	    <p align="center"><a name="f2"></a>      <br> 	</p>     <table width="65%" border="0" align="center">       <tr>         <td align="center"><img src="/fbpe/img/rmc/v140n5/art12-fig2.jpg" alt="" width="600" height="384"></td>       </tr>       <tr>         <td><font face="verdana" size="2"><strong>Figura 2. </strong>Fotograf&iacute;a histol&oacute;gica de lesiones donde se observa estrato corneo con ortoqueratosis, destacando en zona central la presencia de p&uacute;stula subcorneal con abundante infiltrado inflamatorio polimorfonuclear neutr&oacute;filo, epidermis con espongiosis leve y exocitosis focal de neutr&oacute;filos, dermis papilar con escaso infiltrado inflamatorio linfocitario de distribuci&oacute;n perivascular y presencia polimorfonucleares neutr&oacute;filos.</font></td>       </tr>     </table>     
<p align="justify"><font face="verdana" size="3"><b>Discusi&oacute;n</b></font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">La dermatosis pustular subc&oacute;rnea es un desorden poco frecuente, sin datos en la literatura sobre su real incidencia o prevalencia, que afecta con mayor frecuencia a mujeres entre los 40 y 60 a&ntilde;os<sup>3,4</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">La patogenia de este desorden a&uacute;n es desconocida, sin embargo, se ha descrito una hiperactivaci&oacute;n de los neutr&oacute;filos cut&aacute;neos que ser&iacute;a causada por una excesiva producci&oacute;n de factor de necrosis tumoral&#45;alfa<sup>5</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Cl&iacute;nicamente los pacientes presentan una erupci&oacute;n con p&uacute;stulas fl&aacute;cidas de varios mil&iacute;metros de di&aacute;metro, sobre una piel normal o eritematosa. Las &aacute;reas m&aacute;s com&uacute;nmente afectadas son los pliegues como axilas, ingle, cuello, regi&oacute;n submamaria y regi&oacute;n proximal de extremidades. Se acompa&ntilde;a de prurito, dolor y no es habitual la presencia de signos sist&eacute;micos, ni compromiso de palmas, plantas, cara y mucosas<sup>3,4</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Las p&uacute;stulas pueden encontrarse aisladas o agrupadas y tienden a coalecer en un patr&oacute;n anular, circinado o serpiginoso. Estas son superficiales y se rompen f&aacute;cilmente, dejando una costra superficial<sup>3</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Una vez que las lesiones se resuelven, habitualmente persiste una hiperpigmentaci&oacute;n post&#45;inflamatoria. La enfermedad es relativamente benigna, pero usualmente tiene un curso cr&oacute;nico recurrente<sup>3,4</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">Se han descrito en la literatura, m&uacute;ltiples enfermedades asociadas a este desorden como; gammapat&iacute;a monoclonal por IgA<sup>6</sup>, des&oacute;rdenes mieloproliferativos como mieloma m&uacute;ltiple<sup>7</sup> y pioderma gangrenoso<sup>8</sup>. Reportes espor&aacute;dicos los han asociado a artritis reumatoide<sup>9</sup>, enfermedad inflamatoria intestinal<sup>10</sup>, s&iacute;ndrome de Sjogren<sup>11</sup>, hipotiroidismo, hipertiroidismo, lupus eritematoso sist&eacute;mico, esclerosis m&uacute;ltiple, crioglobulinemia, entre otros.</font></p>  	    <p align="justify"><font face="verdana" size="2">Dentro de los estudios diagn&oacute;sticos se incluyen: el cultivo bacteriano y micol&oacute;gico los que son &uacute;tiles para el diagn&oacute;stico diferencial y resultar&aacute;n negativos. La electroforesis de prote&iacute;nas resulta de utilidad en algunos casos, debido a la asociaci&oacute;n reportada con gammapat&iacute;as monoclonales IgA, como tambi&eacute;n IgG, las que podr&iacute;an preceder en a&ntilde;os a la aparici&oacute;n de un mieloma m&uacute;ltiple<sup>7</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">La histopatolog&iacute;a cl&aacute;sicamente revela una acumulaci&oacute;n subc&oacute;rnea de neutr&oacute;filos; sin embargo,</font> <font face="verdana" size="2">este hallazgo no es espec&iacute;fico y puede encontrarse en otros des&oacute;rdenes como la psoriasis pustular, pustulosis exantem&aacute;tica aguda generalizada, p&eacute;nfigo foliaceus, imp&eacute;tigo y dermatofitosis. En la pustulosis subc&oacute;rnea, a diferencia de la psoriasis pustular, la epidermis presenta m&iacute;nima espongiosis. Adem&aacute;s, la dermis muestra infiltrado perivascular de neutr&oacute;filos, ocasionalmente monocitos, eosin&oacute;filos y la acantolisis no es predominante. La inmunofluorescencia directa e indirecta, habitualmente, es negativa<sup>13</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">El diagn&oacute;stico diferencial es m&uacute;ltiple. <a href="#t1">Tabla.1</a>  <sup>4,13</sup></font>.</p> 	    <p align="center"><font face="verdana" size="2"><b><a name="t1"></a>  Tabla 1. </b>Diagn&oacute;stico diferencial</font></p>     ]]></body>
<body><![CDATA[<p align="center"><img src="/fbpe/img/rmc/v140n5/art12-tabla1.jpg" width="333" height="267"></p>     
<p align="justify"><font face="verdana" size="2">El tratamiento de primera l&iacute;nea es la dapsona (sulfona) la que ha sido utilizada exitosamente; demostr&aacute;ndose efectos inmunomoduladores mediante inhibici&oacute;n de quimiotaxis, mieloperoxidasa, enzimas lisosomales y especias reactivas de ox&iacute;geno. Adem&aacute;s, suprimir&iacute;a la adherencia de los neutr&oacute;filos a IgG o IgA en la membrana basal epid&eacute;rmica y a la alb&uacute;mina<sup>14</sup>. Terapias alternativas incluyen sulfapiridina, retinoides (acitretina y etretinato), PUVA, fototerapia UVB de banda estrecha, corticoides, colchicina e inhibidores de factor de necrosis tumoral&#45;alfa. Sin embargo, al igual que el caso presentado, se han descrito casos resistentes a estas terapias los que representan un desaf&iacute;o terap&eacute;utico<sup>15</sup>.</font></p>  	    <p align="justify"><font face="verdana" size="2">El cotrimoxazol (sulfametoxazol&#45;trimetropim) es un antibi&oacute;tico que combina una sulfonamida con un bacteriost&aacute;tico derivado de la trimetoxibenzilpirimidina. En conjunto inhiben la s&iacute;ntesis de &aacute;cido f&oacute;lico y tambi&eacute;n se le han descrito pro</font><font face="verdana" size="2">piedades inmunomoduladoras relacionadas con el bloqueo de la conversi&oacute;n de folatos en folinatos, inhibici&oacute;n de la autoinmunidad mediada por c&eacute;lulas, disminuci&oacute;n de radicales libres y efectos antiinflamatorios. Ha sido utilizado en otros des&oacute;rdenes inmunes como granulomatosis de Wegener, enfermedad de Crohn, colitis ulcerosa y artritis reumatoide<sup>16</sup>. Sin embargo, a&uacute;n no se describen resultados en el tratamiento de estas dermatosis pustulares. El caso presentado mostr&oacute; una intensa y r&aacute;pida mejor&iacute;a con el uso del cotrimoxazol, por lo que ser&iacute;a una valiosa alternativa terap&eacute;utica, con ventajas en cuanto a costo y accesibilidad. No obstante, se requiere la validaci&oacute;n de estos resultados mediante la recopilaci&oacute;n de un mayor n&uacute;mero de casos y la realizaci&oacute;n de ensayos cl&iacute;nicos.</font></p> 	    <p align="justify">&nbsp;</p>     <p align="justify"><font face="verdana" size="3"><b>Referencias</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">1.&nbsp;Callen J. Neutrophilic dermatoses. Dermatol Clin 2002; 20: 409.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200001&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">2.&nbsp;Sneddon I, Wilkinson D. Subcorneal pustular dermatosis. Br J Dermatol 1956; 68 (12): 385&#45;94.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200002&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">3.&nbsp;Cheng S, Edmonds E, Ben&#45;Gashir M, Yu R. Subcorneal pustular dermatosis: 50 years on. Clin Exp Dermatol 2008; 33: 229&#45;33.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200003&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">4.&nbsp;Reed J, Wilkinson J. Subcorneal pustular dermatosis. Clin Dermatol 2000; 18: 301&#45;13.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200004&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">5.&nbsp;Grob J, Mege J, Capo C, Jancovicci E, Fournerie J, Bongrand P, et al. Role of tumor necrosis factor&#45;alfa in Sneddon&#45;Wilkinson subcorneal pustular dermatosis. A model of neutrophil priming <i>in vivo.</i> J Am Acad Dermatol 1991; 25: 944&#45;7.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200005&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">6.&nbsp;Kasha E, Epinette W. Subcorneal pustular dermatosis </font><font face="verdana" size="2">(Sneddon&#45;Wilkinson disease) in association with a monoclonal IgA gammopathy: a report and review of the literature. J Am Acad Dermatol 1988; 19: 854.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200006&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">7.&nbsp;Villasante A, Hormaechea J, Garc&iacute;a M, Vera E, Gilsanz C. Pustulosis of Sneddon&#45;Wilkinson disease and multiple </font><font face="verdana" size="2">myeloma. An Med Intern 2001; 18 (7): 373&#45;5.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200007&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>      <!-- ref --><p align="justify"><font face="verdana" size="2">8.&nbsp;Kohl P, Hartschuh W, Tilgen W, Frosch P. Pyoderma gangrenosum followed by subcorneal pustular dermatosis in a patient with IgA paraproteinemia. 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Br J Dermatol 1991; 125: </font><font face="verdana" size="2">387.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200012&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">13.&nbsp;Razera F, Silveira G, Rangel R. Neutrophilic dermatoses&#45;Part II. An Bras Dermatol 2011; 86 (2): 195&#45;211.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200013&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">14.&nbsp;Modschiedler K. Dapsone and colchicine inhibit adhesion of neutrophilic granulocytes. Arch Dermatol Res </font><font face="verdana" size="2">2000; 292: 32&#45;6.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200014&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">15.&nbsp;Laifaoui J, Guillen E, Worret W, Ring J. A case of subcorneal pustular dermatosis (Sneddon&#45;Wilkinson&#45;disease) not responding to dapsone: therapeutic alternatives. Acta Dermatoven APA 2003; 12 (3): 109&#45;11.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200015&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">16.&nbsp;Rozin A. Cotrimoxazole treatment for rheumatoid arthritis. Semin Arthritis Rheum 2001; 31 (2): 133&#45;41.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scieloOrg/php/reflinks.php?refpid=S0034-9887201200050001200016&pid=S0034-98872012000500012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');"></a>&#160;]<!-- end-ref --></font></p>  	<hr align="left" width="30%" size="1"> 	    <p align="justify"><font face="verdana" size="2">Recibido el 8 de agosto de 2011, aceptado el 22 de noviembre de 2011</font></p> <font size="2" face="Verdana"><a href="#top"><img src="/fbpe/img/rmc/v140n2/flecha.gif" width="15" height="17" border="0"></a><a name="back"></a>Correspondencia a: Yesenia Valenzuela Vergara Cl&iacute;nica Alemana Temuco. E&#45;mail: <a href="mailto: yamvv@hotmail.com">yamvv@hotmail.</a></font><a href="mailto: yamvv@hotmail.com"><font face="verdana" size="2">com</font></a></p>         
<p align="justify">&nbsp;</p>         <p align="justify"><font face="verdana" size="2"> Conflictos de Intereses:</font></p>         ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><a href="http://www.smschile.cl/coirevmed/art012-1615-18265-1-SP.pdf" target="_blank">Yesenia Valenzuela </a></font></p>         <p align="justify"><font face="verdana" size="2"><a href="http://www.smschile.cl/coirevmed/art012-1615-18266-1-SP.pdf" target="_blank">Enrique Bellolio </a></font></p>          ]]></body><back>
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