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Vol. 62. Issue 1.
Pages 71-73 (January 2011)
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Vol. 62. Issue 1.
Pages 71-73 (January 2011)
Clinical case
Laryngotracheal NK/T lymphoma: Clinical case
Linfoma T/NK laringotraqueal: caso clínico
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Falening de la Rosa Astacio
Corresponding author
falening@hotmail.com

Corresponding author.
, Rafael Barberá Durbán, Miguel Vaca González, Ignacio Cobeta Marco
Unidad de Cirugía de Cabeza y Cuello, Servicio de ORL, Hospital Universitario Ramón y Cajal, Madrid, Spain
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Abstract

NK/T-cell lymphoma is a rare condition with an aggressive course and poor prognosis. Historically known as “lethal midline granuloma”, it generally appears in a midfacial location. We describe the case of a 22-year-old Colombian woman with laryngotracheal affectation, presenting with hoarseness and hemoptysis. CT scan and MRI showed severe laryngeal and tracheal destruction. The biopsy showed a polymorphic, lymphoid cell infiltrate with angiocentric and angiodestructive pattern. The immunohistochemical study confirmed the immunophenotype of the NK/T-cells: CD2+, CD56+ and cytoplasmic CD3+. The in situ hybridization and flow cytometry findings were: EBER+, TIA-1+ and perforin+. The patient died from complications of her disease, before undergoing oncologic treatment.

Keywords:
NK/T-cell lymphoma
Laryngeal
Tracheal
Lethal granuloma
Resumen

El linfoma T/NK es infrecuente, de curso agresivo y mal pronóstico. Históricamente llamado «granuloma letal de línea media», su localización habitual es el macizo centro-facial. Presentamos un caso de localización laringotraqueal, en mujer colombiana de 22 años. Refería disfonía y hemoptisis. Presentaba desestructuración y necrosis laringotraqueal. En el estudio anatomopatológico existía infiltrado polimorfo y linfoide de disposición angioinvasora y angiodestructiva. La inmunohistoquímica confirmó el fenotipo de los linfocitos T/NK: CD2, CD56 y CD3 citoplasmático positivos. Epstein-Barr positivo. TIA-1 y perforina positivas. La paciente falleció por complicaciones de la enfermedad, sin poder recibir tratamiento oncológico.

Palabras clave:
Linfoma T/NK
Laríngeo
Traqueal
Granuloma letal

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