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Vol. 45. Issue 6.
Pages 283-288 (January 2003)
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Vol. 45. Issue 6.
Pages 283-288 (January 2003)
Seudotumor inflamatorio pulmonar en el niño: formas agresivas*
Inflammatory pseudotumors of the lung in children: aggressive types
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José Delgadoa,, Juan Adán Guzmán de Villoriaa, Antonio Casanovaa, M.aRosa Zabalzaa
a Sección de Radiodiagnóstico Pediátrico. Departamento de Pediatría y Cirugía Pediátrica. Hospital General Universitario Gregorio Marañón. Universidad Complutense. Madrid. España.
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El seudotumor inflamatorio es una tumoración que puede presentar en el niño una naturaleza agresiva. Para resaltar este hecho, se presen-tan tres pacientes con seudotumor inflamatorio pulmonar, diagnostica-dos tras intervención quirúrgica y por biopsia pulmonar abierta, cada uno de ellos con presentación clínica, radiología y evolución muy variables entre sí.

Se realizaron radiografía simple y tomografía computarizada (TC) en los tres casos y RM en dos, que proporcionaron resultados diagnós-ticos orientativos aunque inespecíficos, siendo el común denominador de todos ellos el comportamiento primariamente agresivo.

Como conclusión, aunque el seudotumor inflamatorio pulmonar ge-neralmente se presenta como una masa solitaria periférica de caracte-rísticas benignas que evoluciona favorablemente tras cirugía, a veces se comporta primariamente de forma agresiva, dificultando el trata-miento quirúrgico que puede llegar a ser, incluso, hasta imposible. Las técnicas de imagen proporcionan hallazgos variables e inespecíficos, destacando las ventajas de la resonancia magnética (RM) sobre la TC para la relación de la masa con las estructuras adyacentes a ésta, así como para la detección y seguimiento de las recidivas.

Palabras clave:
Masa pulmonar
Seudotumor pulmonar
Seudotumor inflamatorio
Granuloma de células plasmáticas

Inflammatory pseudotumors are tumorations which can present themselves very aggressively in children. Three patients were studied as illustration. Each was diagnosed with inflammatory pseudotumors of the lung after surgical intervention and open lung biopsy, with each case being very different in terms of clinical and radiological manifestations and evolution.

Basic radiological procedures and CT were performed in all three cases and MR in two. While the results were not specific, they did provide some means for arriving at a diagnosis, the common trait among them being the manifestation of primarily aggressive behavior.

In conclusion, although inflammatory pseudotumor of the lung generally presents itself as a solitary peripheral mass of benign character which generally evolves favorably after surgery, it sometimes behaves in a primarily aggressive way which could hinder, or render impossible, any forthcoming surgical intervention. Imaging techniques tend to provide findings which are varied and unspecific. In this regard, MR is more advantageous than CT for determining not only the relationship between the mass and its adjacent structures, but also for the detection and follow up of relapses.

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