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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">We report 2 cases of intraosseous lipoma in the calcaneus of a 38 year old man&#44; complaining about heel pain and a 27 year old woman with no pain&#46; Plain radiographs showed a well-defined cystic lesion in the calcaneus with sclerotic margins&#46; Computed tomography &#40;CT&#41; detected a well-defined&#44; low-density lesion with attenuation values equal to adipose tissue&#46; Magnetic resonance &#40;MR&#41; findings show similar signal intensity with subcutaneous adipose tissue on T1- weighted and T2-weighted images&#44; and STIR-T2 imaging showing low signal intensity with complete suppression indicating the presence of normal fat&#46; As a result&#44; at first intraosseous lipomas could only be identified pathologically&#44; but now it is easy to perform radiological diagnosis using MR&#46;</p>"
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        "resumen" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Presentamos 2 casos de lipoma intra&#243;seo de calc&#225;neo&#44; en un var&#243;n de 38 a&#241;os con dolor en tal&#243;n y una mujer de 27 a&#241;os sin dolor en tal&#243;n&#46; La radiograf&#237;as simples mostraban una lesi&#243;n qu&#237;stica en el calc&#225;neo&#44; bien definida y con m&#225;rgenes esclerosos&#46; La tomograf&#237;a computarizada mostr&#243; una lesi&#243;n de baja densidad bien delimitada con valores de atenuaci&#243;n id&#233;nticos al tejido adiposo&#46; Los hallazgos en la resonancia magn&#233;tica mostraron en las im&#225;genes T1 y T2 potenciadas una intensidad de se&#241;al similar al tejido graso subcut&#225;neo&#44; y en T2-STIR una se&#241;al de baja intensidad con supresi&#243;n completa que indica la presencia de grasa normal&#46; Hasta hace poco&#44; los lipomas intra&#243;seos s&#243;lo se pod&#237;an diagnosticar con anatom&#237;a patol&#243;gica&#44; pero ahora es f&#225;cil realizar el diagn&#243;stico radiol&#243;gico con resonancia magn&#233;tica&#46;</p>"
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Vol. 3. Issue 3.
Pages 139-142 (May - June 2007)
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Vol. 3. Issue 3.
Pages 139-142 (May - June 2007)
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Cystic Lesion of the Calcaneus. Intraosseous Lipoma
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Marcelino Revenga Martíneza,
Corresponding author
mrevengam.hrc@salud.madrid.org

Correspondence: Servicio de Reumatología. Hospital Universitario Ramón y Cajal. Ctra. de Colmenar, km 9,100. 28034 Madrid. España.
, Francisco Javier Bachiller Corrala, Javier Rubio Garcíaa, María Muñoz Beltránb, Antonio C. Zea Mendozaa
a Servicio de Reumatología, Hospital Universitario Ramón y Cajal, Madrid, Spain
b Servicio de Radiodiagnóstico, Hospital Universitario Ramón y Cajal, Madrid, Spain
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Abstract

We report 2 cases of intraosseous lipoma in the calcaneus of a 38 year old man, complaining about heel pain and a 27 year old woman with no pain. Plain radiographs showed a well-defined cystic lesion in the calcaneus with sclerotic margins. Computed tomography (CT) detected a well-defined, low-density lesion with attenuation values equal to adipose tissue. Magnetic resonance (MR) findings show similar signal intensity with subcutaneous adipose tissue on T1- weighted and T2-weighted images, and STIR-T2 imaging showing low signal intensity with complete suppression indicating the presence of normal fat. As a result, at first intraosseous lipomas could only be identified pathologically, but now it is easy to perform radiological diagnosis using MR.

Key words:
Bone neoplasm
Intraosseous lipoma
Computed tomography
Magnetic resonance imaging
Resumen

Presentamos 2 casos de lipoma intraóseo de calcáneo, en un varón de 38 años con dolor en talón y una mujer de 27 años sin dolor en talón. La radiografías simples mostraban una lesión quística en el calcáneo, bien definida y con márgenes esclerosos. La tomografía computarizada mostró una lesión de baja densidad bien delimitada con valores de atenuación idénticos al tejido adiposo. Los hallazgos en la resonancia magnética mostraron en las imágenes T1 y T2 potenciadas una intensidad de señal similar al tejido graso subcutáneo, y en T2-STIR una señal de baja intensidad con supresión completa que indica la presencia de grasa normal. Hasta hace poco, los lipomas intraóseos sólo se podían diagnosticar con anatomía patológica, pero ahora es fácil realizar el diagnóstico radiológico con resonancia magnética.

Palabras clave:
Neoplasia ósea
Lipoma intraóseo
Tomografía computarizada
Resonancia magnética
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Copyright © 2007. Sociedad Española de Reumatología and Colegio Mexicano de Reumatología
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