Tumores óseos en edad pediátrica / Bone tumor in the pediatric age

RESUMEN Fundamento: los tumores óseos algunas veces son difíciles de diagnosticar, estos se dividen en benignos y malignos, los benignos son lo más frecuente y entre de ellos el osteocondroma es el principal. Los malignos a pesar de su baja frecuencia tienen importancia por su alta mortalidad, que varía entre 80 a 95 %, y las graves secuelas físicas y emocionales que acarrea su tratamiento en los pacientes. Los tipos de tumor óseo maligno más frecuente son el sarcoma de Ewing y el sarcoma osteogénico. Objetivo: profundizar los conocimientos de los tumores óseos en edad pediátrica. Métodos: la búsqueda de la información se realizó en un periodo de cinco meses (primero de agosto de 2017 al 31 de diciembre de 2017) y se emplearon las siguientes palabras claves: bone neoplasms y Childhood, a partir de la información obtenida se realizó una revisión bibliográfica de un total de 246 artículos publicados en las bases de datos PubMed, Hinari, Medline y SciELO y mediante el gestor de búsqueda y administrador de referencias EndNote, de ellos se utilizaron 50 citas seleccionadas para realizar la revisión, 40 de ellas de los últimos cinco años, donde se incluyeron dos libros. Resultados: se abordan formas de presentación clínica de los tumores óseos y los estudios de tipo imagenológicos, de laboratorio e histológicos. Se describen modalidades de tratamiento tanto conservador como quirúrgico. Conclusiones: los tumores óseos benignos en edad pediátrica son más frecuente y en ellos predomina los osteocondroma y entre los malignos el tumor de Ewing y el sarcoma osteogénico.

ABSTRACT Background: bone tumors are sometimes difficult to diagnose, they are divided into benign and malignant, benign tumors are the most frequent and among them the Osteochondroma is the main one. The malignant ones in spite of their low frequency are important for their high mortality, which varies between 80 to 95%, and the serious physical and emotional consequences that their treatment brings to patients. The most common malignant bone tumor types are Ewing's sarcoma and osteogenic sarcoma. Objective: to deepen the knowledge of bone tumors in pediatric age. Methods: the search of the information was made in a period of five months (from August 1st, 2017 to December 31st, 2017) and the following key words were used: bone neoplasms and Childhood, from the information obtained a bibliographical review of a total of 246 articles published in PubMed, Hinari, Medline, and SciELO databases was made through the EndNote search manager and reference manager, of which 50 selected citations were used to perform the review, 40 of them from the last five years, where two books were included. Results: forms of clinical presentation of bone tumors and imaging, laboratory and histological studies are addressed. Both conservative and surgical treatment modalities are described. Conclusions: benign osseous tumors in the pediatric age are more frequent and osteochondroma predominates in them and malignant tumors include Ewing tumor and osteogenic sarcoma.

Osteocondroma del segundo metatarsiano: presentación de un caso / Osteochondroma of second metatarsal: a case report

RESUMEN Fundamento: los tumores óseos benignos son los más frecuentes en la edad pediátrica, entre ellos, el osteocondroma es el principal. Objetivo: presentar un caso de osteocondroma del pie el cual fue diagnosticado en consulta externa por medio del cuadro clínico y radiografías. Caso clínico: paciente femenina de 10 años de edad, blanca la cual fue llevada a consulta externa por presentar aumento de volumen en la parte anterior del pie y molestia cuando se le ponía zapato cerrado, a la exploración física se palpó una tumoración dura, no movible, en región distal del segundo metatarsiano Se indicó radiografía del pie anteroposterior y lateral y al observar aumento de volumen en región distal del segundo metatarsiano, se decide ingresar con el diagnóstico de osteocondroma, para tratamiento quirúrgico mediante resección ósea y biopsia. Conclusiones: el Osteocondroma del pie se considera un diagnóstico poco frecuente en el medio, el tratamiento de elección es el quirúrgico para mejorar las manifestaciones clínicas.

ABSTRACT Background: benign bone tumors are the most frequent in the pediatric age, among them; the Osteochondroma is the main one. Objective: to present a case of Osteochondroma of the foot that it was diagnosed in the outpatient clinic by means of the clinical symptoms and radiographs. Clinical case: 10-years-old female white patient. The mother says that the girl reported pain when wearing a shoe and she noticed an increase in volume when touching the anterior part of the foot, for which she was brought to the outpatient clinic where a physical examination revealed a hard, non-movable mass in the distal region of the second metatarsal. Radiography of the anteroposterior and lateral foot was indicated and when an increase in volume was observed in the distal region of the second metatarsal, it was decided to enter with the diagnosis of Osteochondroma, for surgical treatment by means of bone resection and biopsy. Conclusions: Osteochondroma of the foot is considered a rare diagnosis in our environment, the treatment of choice is surgery to improve clinical manifestations.

Osteochondroma: ignore or investigate? / Osteocondroma: ignorar ou investigar?

Osteochondromas are bone protuberances surrounded by a cartilage layer. They generally affect the extremities of the longbones in an immature skeleton and deform them. They usually occur singly, but a multiple form of presentation may be found. They have a very characteristic appearance and are easily diagnosed. However, an atypical site (in the axial skeleton) and/or malignant transformation of the lesion may sometimes make it difficult to identify osteochondromas immediately by means of radiographic examination. In these cases, imaging examinations that are more refined are necessary. Although osteochondromas do not directly affect these patients' life expectancy, certain complications may occur, with varying degrees of severity...

Osteocondromas são protuberâncias ósseas envolvidas por uma camada de cartilagem. Atingem, habitualmente, as extremidades dos ossos longos no esqueleto imaturo e os deformam. Em geral são únicos, mas a forma de apresentação múltipla pode ser encontrada. De aspecto bastante característico, são de fácil diagnóstico. Contudo, por vezes, a localização atípica (esqueleto axial) e/ou a malignização da lesão podem dificultar a sua pronta identificacão por exames radiográficos. Nesses casos, exames de imagem mais apurados são necessários. Apesar de não afetarem diretamente a expectativa de vida do portador, algumas complições, com variados graus de gravidade, podem ocorrer...