SPECT-CT 67Ga studies in lymphoma disease. Contribution to staging and follow-up

J. Fuertes Manuel, M. Estorch Cabrera, V. Camacho Martí, A. Flotats Giralt, A. A. Rodrîguez-Revuelto, M. A. Hernández Fructuoso, I. Carrió Gasset

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Introduction. 67Ga scintigraphy is an established method for the staging and follow-up of patients diagnosed of lymphomas. The aim of this study is to evaluate advantages of 67Ga SPECT-CT study over planar, SPECT and high resolution CT studies in lymphoma disease. Material and methods. One hundred and one 67Ga studies corresponding to 74 patients (46 men) were obtained, mean age 44 years. Thirty-eight patients (51%) were diagnosed of Hodgkin's lymphoma and 36 were non-Hodgkin's lymphoma. All patients were evaluated with 67Ga and high-resolution CT studies. 67Ga studies were performed in a hybrid system, obtaining planar, SPECT and fused SPECT-CT imaging. Findings obtained from 67Ga studies were correlated with findings obtained from CT studies, both much in number of tumoral lesions and in their localization. Results. Planar, SPECT, SPECT-CT and CT studies detected 123, 146, 155 and 132 lesions respectively. SPECT-CT and CT were concordant in 52 studies, while there was no concordance between SPECT-CT and CT in the remaining 49 studies, SPECT-CT detecting more lesions than CT in 28 of them. These findings changed the disease stage 18 times (18% of whole studies). Conclusion. These results show better efficiency of 67Ga SPECT-CT compared to the other acquisition methods of 67Ga study and to CT for detection of tumoral lymphomatous lesions. 67Ga SPECT-CT study improves the diagnostic yield of the study with 67Ga in patients with lymphoma, providing better anatomical localization of tumoral lesions and detection of extraganglionar disease.
Original languageEnglish
Pages (from-to)242-249
JournalRevista Espanola de Medicina Nuclear
Issue number4
Publication statusPublished - 1 Jan 2006


  • 67 Ga
  • CT
  • Image fusion
  • Lymphoma


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