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Published in: BMC Cancer 1/2010

Open Access 01-12-2010 | Research article

Triple negativity and young age as prognostic factors in lymph node-negative invasive ductal carcinoma of 1 cm or less

Authors: Ji Hyun Kwon, Yu Jung Kim, Keun-Wook Lee, Do-Youn Oh, So Yeon Park, Jee Hyun Kim, Eui Kyu Chie, Sung-Won Kim, Seock-Ah Im, In-Ah Kim, Tae-You Kim, In Ae Park, Dong-Young Noh, Yung-Jue Bang, Sung Whan Ha

Published in: BMC Cancer | Issue 1/2010

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Abstract

Background

Whether a systemic adjuvant treatment is needed is an area of controversy in patients with node-negative early breast cancer with tumor size of ≤1 cm, including T1mic.

Methods

We performed a retrospective analysis of clinical and pathology data of all consecutive patients with node-negative T1mic, T1a, and T1b invasive ductal carcinoma who received surgery between Jan 2000 and Dec 2006. The recurrence free survival (RFS) and risk factors for recurrence were identified.

Results

Out of 3889 patients diagnosed with breast cancer, 375 patients were enrolled (T1mic:120, T1a:93, T1b:162). Median age at diagnosis was 49. After a median follow up of 60.8 months, 12 patients developed recurrences (T1mic:4 (3.3%), T1a:2 (2.2%), T1b:6 (3.7%)), with a five-year cumulative RFS rate of 97.2%. Distant recurrence was identified in three patients. Age younger than 35 years (HR 4.91; 95% CI 1.014-23.763, p = 0.048) and triple negative disease (HR 4.93; 95% CI 1.312-18.519, p = 0.018) were significantly associated with a higher rate of recurrence. HER2 overexpression, Ki-67, and p53 status did not affect RFS.

Conclusions

Prognosis of node-negative breast cancer with T1mic, T1a and T1b is excellent, but patients under 35 years of age or with triple negative disease have a relatively high risk of recurrence.
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Metadata
Title
Triple negativity and young age as prognostic factors in lymph node-negative invasive ductal carcinoma of 1 cm or less
Authors
Ji Hyun Kwon
Yu Jung Kim
Keun-Wook Lee
Do-Youn Oh
So Yeon Park
Jee Hyun Kim
Eui Kyu Chie
Sung-Won Kim
Seock-Ah Im
In-Ah Kim
Tae-You Kim
In Ae Park
Dong-Young Noh
Yung-Jue Bang
Sung Whan Ha
Publication date
01-12-2010
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2010
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/1471-2407-10-557

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