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Rev. chil. radiol ; 23(3): 91-97, 2017. ilus, tab, graf
Article in Spanish | LILACS | ID: biblio-900113

ABSTRACT

Objective: To describe visible nodal and extra-nodal involvement using PET/CT in the different types and subtypes of lymphoma in staging. Patients and method: PET/CT with F18-FDG were reviewed in patients with lymphoma staging, determining frequency and location of nodal and extra-nodal involvement, and intensity of F18-FDG uptake measured by SUVmax. Results: Of the 102 patients with NHL (average SUVmax 13.0 ± 9.7), 86.3% had nodal involvement (51.9% on both sides of the diaphragm, 24.5% only above the diaphragm), and 66.7% extra-nodal compromise (42.6% bone marrow, 22.1% muscle, 16.2% renal). Of the 30 patients with HL (average SUVmax 14.6 ± 6.0), 100% had nodal involvement (63.3% only above the diaphragm, 36.7% above and below the diaphragm), and 30% had extra-nodal involvement (66.7% bone marrow, 22.2% lung). Conclusion: PET/CT is the method of choice in the staging of lymphoma, allowing the detection of nodal and extra-nodal disease in both HL and NHL.


Objetivo: Describir el compromiso nodal y extranodal visible con PET/CT en los distintos tipos y subtipos de linfoma en etapificación. Pacientes y método: Se revisaron los PET/CT con F18-FDG realizados a pacientes con linfoma en etapificación, determinando frecuencia y localización del compromiso nodal y extranodal, e intensidad de captación de F18-FDG medida mediante SUVmax. Resultados: De los 102 pacientes con LNH (SUVmaxpromedio 13,0±9,7), un 86,3% presentó compromiso nodal (51,9% a ambos lados del diafragma, 24,5% sólo sobre el diafragma) y 66,7% compromiso extranodal (42,6% médula ósea, 22,1% muscular, 16,2% renal). De los 30 pacientes con LH (SUVmax promedio 14,6±6,0), el 100% tuvo compromiso nodal (63,3% sólo sobre el diafragma, 36,7% sobre y bajo el diafragma), y 30% compromiso extranodal (66,7% médula ósea, 22,2% pulmón). Conclusión: El PET/CT es el método de elección en la etapificación del linfoma, permitiendo detectar enfermedad nodal y extranodal, tanto en LH como en LNH.


Subject(s)
Humans , Male , Adult , Middle Aged , Aged , Aged, 80 and over , Lymphoma, Non-Hodgkin , Positron Emission Tomography Computed Tomography , Lymphoma , Hodgkin Disease , Positron Emission Tomography Computed Tomography , Lymphoma/diagnostic imaging
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