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Vol. 53. Issue 1.
Pages 48-54 (January - March 2020)
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Vol. 53. Issue 1.
Pages 48-54 (January - March 2020)
Brief report
Orbital soft tissue composite lymphoma presenting as recurrence of a nodal lymphoma with mantle and follicular cell components: A case report, literature review and guideline for the treatment of patients
Linfoma compuesto de tejidos blandos orbitario presentándose como recurrencia de un linfoma ganglionar con componentes del manto y folicular: descripción de un caso, revisión de la literatura y guía para el tratamiento de los pacientes
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Vicente Sabater-Marcoa,
Corresponding author
vicente.sabater@uv.es

Corresponding author.
, Núria Santonja-Lópeza, Sebastian Ortíz-Zuluagab, Lara Navarro-Cerveróa, Maria Teresa Orero-Castellób
a Department of Pathology, University General Hospital, Valencia, Spain
b Department of Hematology, University General Hospital, Valencia, Spain
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Table 1. Clinicopathological features of 16 cases of composite lymphoma with mantle and folicular cell components.
Abstract

Composite lymphoma with mantle and follicular cell components is a challenging diagnosis. Flow cytometry, immunohistochemistry and molecular genetics are required to distinguish the two components, as often the more aggressive one is predominant and masks the other. A 58-year-old man with history of nodal composite lymphoma presented with right exophthalmos and diplopia. A head CT scan showed an orbital tumor. A biopsy of the tumor revealed a mantle cell lymphoma predominating over a follicular lymphoma. Immunoglobulin heavy chain and light chain rearrangements analysis by PCR proved that both components of the orbital tumor were recurrences of the same nodal composite lymphoma diagnosed two years earlier. The nodal lymphoma was composed of a follicular lymphoma and an in situ mantle cell neoplasia. Consensus view is that dominant lymphoma should be treated when needed but taking into account if the mantle cell lymphoma is an in situ neoplasia and if it expresses CD5 and SOX11.

Keywords:
Composite lymphoma
Mantle and follicular cell lymphoma
Extranodal recurrence
In situ mantle cell lymphoma
Treatment guidelines
Resumen

El diagnóstico de linfoma compuesto con componentes del manto y folicular es desafiante y requiere de técnicas como citometría de flujo, inmunohistoquímica y genética molecular, porque a menudo el componente linfoide más agresivo predomina sobre el otro, enmascarándolo. Un varón de 58 años con historia de linfoma compuesto ganglionar presentó exoftalmos derecho y diplopia. La TAC de cabeza mostró un tumor orbitario. Una biopsia del tumor reveló un linfoma del manto predominando sobre un linfoma folicular. El reordenamiento genético mediante PCR de la cadena pesada y cadenas ligeras de inmunoglobulina demostró que ambos componentes del tumor orbitario eran recurrentes del mismo linfoma compuesto ganglionar diagnosticado 2 años antes. El linfoma ganglionar estaba compuesto por linfoma folicular y neoplasia del manto in situ. El consenso es que el linfoma dominante debe ser tratado cuando sea necesario considerando si el linfoma del manto es in situ y si expresa CD5 y SOX11.

Palabras clave:
Linfoma compuesto
Linfoma folicular y del manto
Recurrencia extranodal
Linfoma del manto in situ
Guías de tratamiento

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