Internal mammary lymphoscintigraphy of bone metastases in breast cancer

PENG Xu-lan; LIANG Hong-wei; LIU Jiong; HOU Jun-fu

Journal of China Clinic Medical Imaging ›› 2007, Vol. 18 ›› Issue (1) : 16-18.

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Internal mammary lymphoscintigraphy of bone metastases in breast cancer

PENG Xu-lan, LIANG Hong-wei, LIU Jiong, HOU Jun-fu

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Abstract

Objective: To explore the relationship between internal mammary lymph node metastases, with or without drainage to the opposite side and bone metastases in breast cancer by internal mammary lymhposcintigraphy. Methods: Internal mammary lymhposcintigraphy had been performed in 35 patients of breast cancer with bone metastases and 28 patients without bone metastases. Results: ①The total rate of lymph node metastases of the internal mammary group was 62.9%. The rate of drainage to the contralateral side was 57.1%. In the bone metastatic group, the rate of internal mammary lymph node metastases associated with drainage to the opposite side was 40%. In the group without bone metastases they were 32.1%, 21.4%, and 10.7% respectively. There were significant difference(P<0.05) between the two groups. ②Only had shunt in bone metastases group(17.1%) was higher than that in the group without bone metastases(10.7%), but there was no significant difference between the two groups. Only had internal mammary lymph node metastases in the two groups had similar result(22.9% and 21.4%). ③The metastatic rate of internal mammary lymph node and shunt rate from affected side to opposite side of breast cancer lied in the internal and central region(37.1% and 37.1%) were higher than that in the exterion region(25.9% and 20%) of bone metastatic group. Conclusion: ①The patients with internal mammary node metastases and shunt from affected side to the opposite side meanwhile occurred bone metastases very easily. The patients only have shunt to opposite side in breast cancer must be on guard.

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breast neoplasms / neoplasm metastasis / radionuclide imaging

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PENG Xu-lan;LIANG Hong-wei;LIU Jiong;HOU Jun-fu. Internal mammary lymphoscintigraphy of bone metastases in breast cancer[J]. Journal of China Clinic Medical Imaging. 2007, 18(1): 16-18