Evaluation of total choline from in-vivo volume localized proton MR spectroscopy and its response to neoadjuvant chemotherapy in locally advanced breast cancer

被引:219
作者
Jagannathan, NR [1 ]
Kumar, M
Seenu, V
Coshic, O
Dwivedi, SN
Julka, PK
Srivastava, A
Rath, GK
机构
[1] All India Inst Med Sci, Dept NMR, New Delhi 110029, India
[2] All India Inst Med Sci, Dept Surg, New Delhi 110029, India
[3] All India Inst Med Sci, Dept Biostat, New Delhi 110029, India
[4] All India Inst Med Sci, Dept Radiotherapy, New Delhi 110029, India
关键词
in-vivo proton magnetic resonance spectroscopy (MRS); locally advanced breast cancer (LABC); neoadjuvant chemotherapy (NACT); preoperative chemotherapy; total choline (TCho);
D O I
10.1054/bjoc.2000.1711
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Results of the proton magnetic resonance spectroscopy carried out on normal, benign breast disease and locally advanced breast cancer patients are presented. The in-vivo MR spectra of malignant breast tissue of patients (n = 67) suffering from infiltrating ductal carcinoma are dominated by the water resonance, while the spectra of the unaffected contralateral breast tissue of these patients are mainly dominated by resonance arising from lipids which is similar to the spectra of normal breast tissue obtained from volunteers (controls, n = 16). In addition to the water and lipid peaks, in majority of the patients (similar to 80%) the water suppressed spectra showed a resonance at 3.2 ppm due to choline containing compounds (TCho) before treatment. In patients receiving neoadjuvant chemotherapy, absence/reduction in choline was observed in 89% of the patients. TCho was also observed in 2 of 14 benign lesions. The sensitivity and specificity of in-vivo MRS in detecting TCho in malignant tumours was 78% and 86%, respectively. Observation of TCho before treatment and its disappearance (or reduction) after treatment may be a useful indicator of response of locally advanced breast cancer to neoadjuvant chemotherapy. (C) 2001 Cancer Research Campaign.
引用
收藏
页码:1016 / 1022
页数:7
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