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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Autoimmune lymphoproliferative syndrome and non-Hodgkin lymphoma: What 18F-fluor...
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Vol. 33. Issue 2.
Pages 99-102 (March - April 2014)
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Vol. 33. Issue 2.
Pages 99-102 (March - April 2014)
Clinical note
Autoimmune lymphoproliferative syndrome and non-Hodgkin lymphoma: What 18F-fluorodeoxyglucose positron emission tomography/computed tomography can do in the management of these patients? Suggestions from a case report
Síndrome linfoproliferativo autoinmune indefinido y linfoma no-Hodgkin. ¿Qué puede aportar la exploración 18F-FDG-PET/CT al tratamiento de estos pacientes? Sugerencias a partir de un caso
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A. Cistaroa,1,
Corresponding author
a.cistaro@irmet.com

Corresponding author.
, F. Pazèb, S. Durandob, M. Cogonic, R. Falettid, S. Vescoe, S. Vallerof, N. Quartucciog, G. Tregliah, U. Ramenghif
a Positron Emission Tomography Centre, IRMET S.p.A., Euromedic Inc., Turin, Italy
b Department of Radiology, San Luigi Gonzaga Hospital, Turin, Italy
c Department of Neuroradiology, CTO Hospital, Turin, Italy
d Department of Radiology, San Giovanni Battista Hospital, Turin, Italy
e Department of Physical Medicine and Rehabilitation, Martini Hospital, Turin, Italy
f Pediatric Department, University of Turin, Turin, Italy
g Department of Radiological Sciences, Nuclear Medicine Unit, University of Messina, Messina, Italy
h Department of Nuclear Medicine and PET/CT Centre, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
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Abstract

A young patient with undefined autoimmune lymphoproliferative syndrome (ALPS-U) and low back pain underwent a CT and MRI study that showed enhancing vertebral lesions, some pulmonary nodules and diffuse latero-cervical lymphadenopathy. A 18F-FDG-PET/CT scan showed many areas of intense 18F-FDG uptake in multiple vertebrae, in some ribs, in the sacrum, in the liver, in both lungs, in multiple lymph nodes spread in the cervical, thoracic and abdominal chains. A bone marrow biopsy showed a “lymphomatoid granulomatosis”, a rare variant of B-cell non-Hodgkin lymphoma (NHL). After the treatment, the 18F-FDG-PET/CT scan showed a complete metabolic response.

Keywords:
Fas gene
PET
Non-Hodgkin lymphoma
Rituximab
Autoimmune lymphoproliferative syndrome
Resumen

Un paciente joven con síndrome linfoproliferativo autoinmune indefinido (ALPS-U) y dolor lumbar se sometió a una tomografía computarizada y a una resonancia magnética, estudios que mostraron varias lesiones vertebrales, algunos nódulos pulmonares y adenopatías laterocervicales difusas. Una exploración 18F-FDG-PET/TC reveló áreas de captación intensa de 18F-FDG en múltiples vértebras, algunas costillas, sacro, hígado, ambos pulmones y en varios ganglios linfáticos repartidos en las cadenas cervicales, torácica y abdominal. La biopsia de médula ósea diagnosticó una “granulomatosis linfomatoide”, una variante poco frecuente de Linfoma no-Hodgkin de células B (LNH). Tras el tratamiento, la exploración 18F-FDG-PET/TC demostró una respuesta metabólica completa.

Palabras clave:
Gen Fas
PET
Linfoma no Hodgkin
Rituximab
Síndrome linfoproliferativo autoinmune

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