Radionuclide Treatment with 153Sm-EDTMP is Effective for the Palliation of Bone Pain in the Context of Extensive Bone Marrow Metastases: A Case Report

Document Type : Case report

Authors

1 Departments of Molecular Radiotherapy & Nuclear Medicine, Docrates Cancer Center, Helsinki, Finland

2 Department of Medical Oncology, Docrates Cancer Center, Helsinki, Finland

Abstract

Radionuclide therapy is widely used as an effective modality in the management of bone pain. The main indication for this treatment is symptomatic bone metastases, confirmed by bone scintigraphy. We present a case of small cell lung cancer (SCLC) stage T4N2M1b, with a good metabolic response to systemic therapy and radiotherapy of the primary tumor and locoregional disease, which became metabolically less active and remarkably smaller in size (reduction to 1/6 of the original volume). In spite of the good overall response, the patient developed a syndrome with severe bone pain and had progression in the bone marrow metastases, confirmed by 18F-FDG PET/CT. The patient received 153Sm-EDTMP treatment with a good clinical response. However, in the whole body bone scan with the therapeutic dose, there was no visual evidence of bone metastasis. Retrospectively, by drawing the region of interest, it was possible to identify one metastatic site. The possible mechanisms of the efficacy of this treatment modality, in this specific setting, are also discussed.

Keywords

Full Text

153-Sm-EDTMP

Bone marrow metastases

Bone metastases

Positron emission tomography (PET)

Radionuclide therapy

Small cell lung cancer

 

 

References

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Asia Oceania Journal of Nuclear Medicine and Biology
Volume 2, Issue 2 - Serial Number 2
October 2014
Pages 131-134

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