A retrospective cohort study of axilla management in ipsilateral breast tumor recurrence after partial mastectomy with sentinel node biopsy

A retrospective cohort study of axilla management in ipsilateral breast tumor recurrence after partial mastectomy with sentinel node biopsy - Axillary management in cases of IBTR

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000049737

Enrollment

150

Registered

2022-12-20

Start date

2023-02-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: All criteria should be required. 1) Cases of primary breast cancer with clinically Tis to T4N0M0 at UICC ver.8 performed with SNB 2) Cases of primary breast cancer treated with no axillary lymph node dissection 3) Cases of IBTR diagnosed from January 2010 to August 2022

Exclusion criteria

Exclusion criteria: 1) Cases of primary breast cancer with clinically positive node or distant metastasis. 2) Cases of synchronous or metachronous bilateral breast cancer before IBTR

Design outcomes

Primary

Measure	Time frame
Validation of repeat SNB	—

Secondary

Measure	Time frame
Outcome in cases of IBTR	—

Countries

Japan

Contacts

Public ContactSatomi Yana

Japanese Society for Sentinel Node Navigation Surgery Office

yanas@z7.keio.jp03-3353-1211

Outcome results