Clinicopathological features of young patients (

Akemi Kataoka, Eriko Tokunaga, Norikazu Masuda, Tadahiko Shien, Kimiko Kawabata, Mika Miyashita

Research output: Contribution to journalArticle

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Abstract

RESULTS: The numbers of young and non-young patients were 2,982 (2.7 %) and 106,295 (97.0 %), respectively. The young patients had more cases of a familial history of breast cancer, more subjective symptoms, fewer bilateral tumors, lower BMIs, larger tumors, more positive lymph nodes, fewer instances of an ER-positive status, more instances of an HER2-positive status, more triple-negative tumors and more advanced TNM stages. The young patients more frequently received neoadjuvant chemotherapy and breast-conserving therapy (BCT) compared with the non-young patients. Eighty percent of all patients received adjuvant therapy. The young patients were more frequently treated with chemotherapy, molecular targeted therapy and radiation therapy than the non-young patients.

CONCLUSIONS: In this study, young patients with breast cancer were diagnosed at more advanced stages and had more endocrine-unresponsive tumors than non-young patients. Further prognostic analyses should be conducted in this cohort.

BACKGROUND: To clarify the clinicopathological features of breast cancer in young females, surveillance data of the Registration Committee of the Japanese Breast Cancer Society were analyzed.

METHODS: The clinicopathological characteristics were compared between young (

Original languageEnglish
Pages (from-to)643-650
Number of pages8
JournalBreast Cancer
Volume21
Issue number6
DOIs
Publication statusPublished - Nov 1 2014

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Breast Neoplasms
Neoplasms
Molecular Targeted Therapy
Drug Therapy
Breast
Radiotherapy
Lymph Nodes
Therapeutics
Familial Breast Cancer

ASJC Scopus subject areas

  • Medicine(all)

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Kataoka, A., Tokunaga, E., Masuda, N., Shien, T., Kawabata, K., & Miyashita, M. (2014). Clinicopathological features of young patients (. Breast Cancer, 21(6), 643-650. https://doi.org/10.1007/s12282-013-0466-2

Clinicopathological features of young patients (. / Kataoka, Akemi; Tokunaga, Eriko; Masuda, Norikazu; Shien, Tadahiko; Kawabata, Kimiko; Miyashita, Mika.

In: Breast Cancer, Vol. 21, No. 6, 01.11.2014, p. 643-650.

Research output: Contribution to journalArticle

Kataoka, A, Tokunaga, E, Masuda, N, Shien, T, Kawabata, K & Miyashita, M 2014, 'Clinicopathological features of young patients (', Breast Cancer, vol. 21, no. 6, pp. 643-650. https://doi.org/10.1007/s12282-013-0466-2
Kataoka A, Tokunaga E, Masuda N, Shien T, Kawabata K, Miyashita M. Clinicopathological features of young patients (. Breast Cancer. 2014 Nov 1;21(6):643-650. https://doi.org/10.1007/s12282-013-0466-2
Kataoka, Akemi ; Tokunaga, Eriko ; Masuda, Norikazu ; Shien, Tadahiko ; Kawabata, Kimiko ; Miyashita, Mika. / Clinicopathological features of young patients (. In: Breast Cancer. 2014 ; Vol. 21, No. 6. pp. 643-650.
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