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Effect of granulocyte colony-stimulating factor (G-CSF)-supported chemotherapy on MR imaging of normal red bone marrow in breast cancer patients with focal bone metastases
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2003 (English)In: Acta Radiol, Vol. 44, no 5, 472-84 p.Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To investigate the effect of granulocyte colony-stimulating factor (G-CSF)-supported chemotherapy on normal red bone marrow MR imaging in breast cancer patients with focal bone metastases. MATERIAL AND METHODS: Fifteen breast cancer patients who were examined before and after chemotherapy with T1-weighted-SE and long echo-time inversion-recovery turbo-spin-echo (long TE IR-TSE) sequences in the thoracolumbar spine and pelvis were retrospectively studied. Nine of them received G-CSF therapy after the administration of each chemotherapy course. Of these 9 patients, the MR follow-ups were performed during G-CSF in 4 patients and after G-CSF therapy in 5 patients. Six patients did not receive G-CSF. Signal intensity (SI) changes in normal bone marrow were evaluated visually in all patients and quantitatively in 13 patients. RESULTS: In all 4 patients investigated during G-CSF therapy a diffuse, homogeneous SI increase on long TE IR-TSE was observed visually and quantitatively in initially normal bone marrow. This change obscured some focal lesions in 2 patients. No such SI change was visible after G-CSF therapy (p = 0.008) or in patients not receiving G-CSF. On T1-weighted images an SI decrease was found both during and after G-CSF therapy, but an increase occurred in patients not receiving G-CSF. CONCLUSION: G-CSF-supported chemotherapy can induce diffuse SI changes in normal red bone marrow on MR imaging. On long TE IR-TSE, the changes are visible during G-CSF treatment and can lead to misinterpretations in the response evaluation of bone metastases to therapy.

Place, publisher, year, edition, pages
2003. Vol. 44, no 5, 472-84 p.
Keyword [en]
Adult, Aged, Bone Marrow/*pathology, Bone Neoplasms/*drug therapy/*secondary, Breast Neoplasms/*pathology, Drug Therapy, Combination, Granulocyte Colony-Stimulating Factor/*therapeutic use, Humans, *Magnetic Resonance Imaging, Middle Aged, Retrospective Studies
National Category
Basic Medicine
URN: urn:nbn:se:umu:diva-110900ISBN: 0284-1851 (Print) 0284-1851 (Linking)OAI: diva2:865894

Ciray, I Lindman, H Astrom, G K O Wanders, A Bergh, J Ahlstrom, H K eng Comparative Study Research Support, Non-U.S. Gov't Denmark 2003/09/27 05:00 Acta Radiol. 2003 Sep;44(5):472-84.

Available from: 2015-10-29 Created: 2015-10-29 Last updated: 2015-10-29

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