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West Indian med. j ; 56(6): 555-557, Dec. 2007. ilus
Article in English | LILACS | ID: lil-507246

ABSTRACT

Primary leiomyosarcoma of the bone is a rare malignancy. Clinical follow-up suggests that primary osseous leiomyosarcoma has an aggressive biologic behaviour with poor survival time. We report a case of primary leiomyosarcoma arising from the proximal metaphysis of the right tibia of a 55-year old woman with a long follow-up period, without recidivism. Primary leiomyosarcoma has to be considered as a differential diagnostic possibility in the case of bone tumours seen on routine initial plain radiographs as lytic lesions. If the tumour has been adequately excised at the time of diagnosis, as in the present case, with adjuvant therapy protocol, the long-term prognosis of such an aggressive tumour can be exceptionally good.


El leiomiosarcoma primario del hueso es un tumor maligno raro. El seguimiento clínico sugiera que el leiomiosarcoma óseo primario tiene un comportamiento biológico agresivo con escaso tiempo desobrevivencia. Reportamos un caso de leiomiosarcoma primario proveniente de la metáfisis proximal de la tibia derecha de una mujer de 55 años de edad con un largo período de seguimiento, sin recidivas. El leiomiosarcoma tiene que ser considerado una posibilidad de diagnóstico diferencial en el caso detumores óseos observados en radiografías simples iniciales de rutina como lesiones líticas. Si el tumorha sido debidamente extirpado en el momento del diagnóstico – como en el caso presente – con un protocolo de terapia adyuvante, la prognosis a largo plazo de un tumor tan agresivo puede ser excepcionalmente buena.


Subject(s)
Humans , Female , Middle Aged , Leiomyosarcoma/pathology , Leiomyosarcoma/surgery , Bone Neoplasms/pathology , Bone Neoplasms/surgery , Tibia/pathology , Tibia/surgery , Amputation, Surgical , Magnetic Resonance Imaging
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