Which technique best finds hidden breast lesions? study aims to find out
NCT ID NCT05942105
First seen Jun 26, 2026 · Last updated Aug 27, 2026 · Updated 3 times
Summary
This study looks back at over 1,000 women who had breast-conserving surgery for non-palpable breast lesions. It compares four techniques used to locate these hidden lesions: wire-guided localization, radioguided occult lesion localization, magnetic seeds, and carbon dye. The goal is to see which method leads to the most complete tumor removal with clear surgical margins, reducing the chance of needing a second surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help doctors choose the best technique for removing non-palpable breast lesions, potentially reducing the need for repeat surgeries.
- What could go wrong
- This is a retrospective study, meaning it looks back at past data, so it cannot prove one technique is better than another. Results may not apply to all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,064 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2023
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Breast cancer patients with non-palpable breast lesion candidated for conservative surgery
- Ages
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18 to 85 years
- Sex
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Female participants only
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Female sex; * Patients who underwent breast conservative surgery for non-palpable occult breast lesions; * Intraoperative localization of breast lesion with WGL, ROLL, magnetic seed, carbon dye; * Preoperative diagnosis on histology or cytology of borderline lesion (B3 or C3) or malignant lesion (B4-B5 or C4-C5). Exclusion Criteria: * Diagnosis of benign breast lesion, both on preoperative needle breast biopsy (B2) or on fine needle breast aspiration (C2); * Clinically palpable breast lesion; * Localization of a non-palpable lesion through two or more different techniques; * Breast tumor localization with clip in patients who underwent neoadjuvant chemotherapy.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Istituti Clinici Scientifici Maugeri SpA
Pavia, Lombardy, 27100, Italy
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