Contralateral Axillary Lymph Node Metastases Detected by Repeat Sentinel Lymph Node Biopsy in a Patient with Ipsilateral Breast Tumor Recurrence: A Case Report.
- 1Department of Breast and Endocrine Surgery, Matsue City Hospital, Matsue, Shimane, Japan.
Abstract
Introduction
There is no consensus on the significance of repeat sentinel lymph node (SLN) biopsy in a patient with ipsilateral breast tumor recurrence (IBTR).Case presentation
A 49-year-old premenopausal woman developed an ipsilateral breast cancer (BC) lesion after previously undergoing lumpectomy, SLN biopsy, and adjuvant radiation therapy for left-sided lobular carcinoma in situ at the age of 35. Because of the contralateral SLNs identified on radioisotope lymphoscintigraphy, we decided to perform a left mastectomy with contralateral axillary lymph node dissection. Intraoperative SLN mapping using indigo carmine was negative. A total of 3 contralateral axillary lymph node metastases, all sentinel nodes, were identified among 18 resected nodes. Because this patient's second BC was an invasive ductal carcinoma, a different histology from her first tumor, we diagnosed a new primary BC along with contralateral axillary lymph node metastases and planned adjuvant therapy accordingly.Conclusions
Repeat SLN biopsy for IBTR plays a key role in determining accurate SLN status and in optimizing adjuvant therapy.
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BibTeX
@article{uchida2026contralateral,
title = {{Contralateral Axillary Lymph Node Metastases Detected by Repeat Sentinel Lymph Node Biopsy in a Patient with Ipsilateral Breast Tumor Recurrence: A Case Report.}},
author = {Naotaka Uchida and Takako Suda},
journal = {Surgical case reports},
year = {2026},
month = oct,
doi = {10.70352/scrj.cr.26-0507},
url = {https://europepmc.org/article/MED/42928951},
note = {CC BY},
}
RIS
TY - JOUR
TI - Contralateral Axillary Lymph Node Metastases Detected by Repeat Sentinel Lymph Node Biopsy in a Patient with Ipsilateral Breast Tumor Recurrence: A Case Report.
AU - Naotaka Uchida
AU - Takako Suda
PY - 2026
DA - 2026/10/22
JO - Surgical case reports
DO - 10.70352/scrj.cr.26-0507
UR - https://europepmc.org/article/MED/42928951
AB - Introduction There is no consensus on the significance of repeat sentinel lymph node (SLN) biopsy in a patient with ipsilateral breast tumor recurrence (IBTR).Case presentation A 49-year-old premenopausal woman developed an ipsilateral breast cancer (BC) lesion after previously undergoing lumpectomy, SLN biopsy, and adjuvant radiation therapy for left-sided lobular carcinoma in situ at the age of 35. Because of the contralateral SLNs identified on radioisotope lymphoscintigraphy, we decided to perform a left mastectomy with contralateral axillary lymph node dissection. Intraoperative SLN mapping using indigo carmine was negative. A total of 3 contralateral axillary lymph node metastases, all sentinel nodes, were identified among 18 resected nodes. Because this patient's second BC was an invasive ductal carcinoma, a different histology from her first tumor, we diagnosed a new primary BC along with contralateral axillary lymph node metastases and planned adjuvant therapy accordingly.Conclusions Repeat SLN biopsy for IBTR plays a key role in determining accurate SLN status and in optimizing adjuvant therapy.
SN - 2198-7793
ER -