<?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>0864-215X</journal-id>
<journal-title><![CDATA[Revista Cubana de Ortopedia y Traumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Ortop Traumatol]]></abbrev-journal-title>
<issn>0864-215X</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-215X2022000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Quiste óseo unicameral de calcáneo derecho]]></article-title>
<article-title xml:lang="en"><![CDATA[Unicameral Bone Cysts of the Calcaneus]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández González]]></surname>
<given-names><![CDATA[Erick Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mosquera Betancourt]]></surname>
<given-names><![CDATA[Gretel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas Hospital Universitario &#8220;Manuel Ascunce Domenech&#8221; Departamento de Ortopedia y Traumatología]]></institution>
<addr-line><![CDATA[ Camagüey]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias Médicas Hospital Universitario &#8220;Manuel Ascunce Domenech&#8221; Departamento de Neurocirugía]]></institution>
<addr-line><![CDATA[ Camagüey]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-215X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-215X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-215X2022000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El quiste óseo unicameral es una lesión pseudotumoral benigna de contenido líquido, que representa el 3 % de todos los tumores primarios. El calcáneo es una localización poco frecuente y el tarso, es el hueso más afectado.  Objetivo:  Presentar un caso de quiste óseo unicameral del calcáneo derecho que se diagnosticó y trató en el Hospital Universitario &#8220;Manuel Ascunce Domenech&#8221; de Camagüey con evolución clínica favorable.  Presentación del caso:  Paciente masculino de 22 años, con antecedentes de salud y dolor en el calcañal derecho de dos meses de evolución, que se incrementó hasta dificultarle la marcha. A la exploración física se constató dolor a la palpación de la cara lateral del calcañal derecho, y no se recogió otro dato de interés. La tomografía axial computarizada mostró una lesión hipointensa osteolítica, amplia, con fractura anterosuperior, adelgazamiento de las corticales y con tabicado de la cámara del quiste. Se decidió tratamiento quirúrgico para excéresis y toma de muestra para biopsia, la cual reveló tejido fibroso vascularizado con osteoclastos, células gigantes multinucleadas, cristales de colesterol y hemosiderina, consistente con quiste óseo unicameral.  Conclusiones:  El quiste óseo unicameral es una lesión pseudotumoral benigna pero potencialmente invalidante, cuyo diagnóstico puede ser fortuito o por alguna fractura patológica. La evacuación con curetaje amplio e injerto óseo, o sus derivados, es la técnica más empleada. El paciente evolucionó de forma favorable y se clasificó como curado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: The unicameral bone cyst is a benign pseudotumoral lesion with liquid content, accounting for 3% of all primary tumors. The calcaneus is a rare location and the tarsus is the most affected bone.  Objective:  to report a case of unicameral bone cyst in a right calcaneus, which was diagnosed and treated at &#8220;Manuel Ascunce Domenech&#8221; Universitary Hospital in Camagüey with favorable evolution.  Case report:  This is the case of a 22-year-old male patient with health history of pain in his right calcaneus for two months. The pain increased and made it possible to walk. Physical examination revealed pain on palpation of the lateral aspect of the right heel, and no other data of interest was collected. A wide, hypointense osteolytic lesion was revealed by computerized axial tomography showing an anterosuperior fracture, cortical thinning, and septation of the cyst chamber. Surgery was decided for excising and biopsy sampling that revealed vascularized fibrous tissue with osteoclasts, multinucleated giant cells, cholesterol crystals and hemosiderin, consistent with a unicameral bone cyst.  Conclusions:  The unicameral bone cyst is a benign but potentially disabling pseudotumoral lesion. The diagnosis may be fortuitous or due to some pathological fracture. Removal with wide curettage and bone grafting, or its derivatives, is the most widely used technique. This patient evolved positively and he was classified as cured.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[quiste óseo]]></kwd>
<kwd lng="es"><![CDATA[biopsia]]></kwd>
<kwd lng="es"><![CDATA[tratamiento quirúrgico]]></kwd>
<kwd lng="en"><![CDATA[bone cyst]]></kwd>
<kwd lng="en"><![CDATA[biosy]]></kwd>
<kwd lng="en"><![CDATA[surgery]]></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[Levy]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Gross]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Garras]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of unicameral bone cysts of the calcaneus: A systematic review]]></article-title>
<source><![CDATA[J Foot Ankle Surg]]></source>
<year>2015</year>
<volume>54</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>652-6</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nishimura]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Matsumine]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kato]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Aasanuma]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Fukuda]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Endoscopic versus open surgery for calcaneal bone cysts: A preliminary report]]></article-title>
<source><![CDATA[J Foot Ankle Surg]]></source>
<year>2016</year>
<volume>55</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>782-7</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[Stoica]]></surname>
<given-names><![CDATA[IC]]></given-names>
</name>
<name>
<surname><![CDATA[Pop]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Grosu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Unicameral bone cyst of the calcaneus - minimally invasive endoscopic surgical treatment. Case report]]></article-title>
<source><![CDATA[Rom J Morphol Embryol]]></source>
<year>2017</year>
<volume>58</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>689-93</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[Yan]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Zong]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Chu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primary tumours of the calcaneus]]></article-title>
<source><![CDATA[Oncol Lett]]></source>
<year>2018</year>
<volume>15</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>8901-14</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[Higuchi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Yamamoto]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Shirai]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Hayashi]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Takeuchi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kimura]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment outcomes of the simple bone cyst: A comparative study of 2 surgical techniques using artificial bone substitutes]]></article-title>
<source><![CDATA[Medicine (Baltimore)]]></source>
<year>2018</year>
<volume>97</volume>
<numero>18</numero>
<issue>18</issue>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Malghem]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lecouvet]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Vande Berg]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calcaneal cysts and lipomas: a common pathogenesis?]]></article-title>
<source><![CDATA[Skeletal Radiol]]></source>
<year>2017</year>
<volume>46</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1635-42</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[Çelik]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Uluda&#287;]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tosun]]></surname>
<given-names><![CDATA[HB]]></given-names>
</name>
<name>
<surname><![CDATA[Serbest]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gürger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[K&#305;l&#305;ç]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Unicameral (simple) and aneurysmal bone cysts: the effect of insufficient curettage on recurrence]]></article-title>
<source><![CDATA[Pan Afr Med J]]></source>
<year>2016</year>
<volume>24</volume>
<page-range>311</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[Flont]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Malecki]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Niewola]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lipczyk]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Niedzielski]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictive characteristic of simple bone cyst treated with curettage and bone grafting]]></article-title>
<source><![CDATA[BMC Musculoskelet Disord]]></source>
<year>2015</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>350</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[Lasanianos]]></surname>
<given-names><![CDATA[NG]]></given-names>
</name>
<name>
<surname><![CDATA[Spanos]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Papaioannou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Paneri]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spontaneously healed pathologic fracture over a critical-size calcaneal cyst]]></article-title>
<source><![CDATA[Case Rep Med]]></source>
<year>2011</year>
<volume>2011</volume>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kadhim]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Thacker]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kadhim]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes Jr]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of unicameral bone cyst: systematic review and metaanalysis]]></article-title>
<source><![CDATA[J Child Orthop]]></source>
<year>2014</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>171-91</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
