79 Case Series of Pathologic Upgrade After Reconstructive Breast Surgery

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Article
Miami Breast Cancer Conference® Abstracts Supplement42nd Annual Miami Breast Cancer Conference® - Abstracts
Volume 39
Issue 4
Pages: 58

79 Case Series of Pathologic Upgrade After Reconstructive Breast Surgery

79 Case Series of Pathologic Upgrade After Reconstructive Breast Surgery

Background/Significance

Finding significant pathologic lesions after reduction mammoplasty is a rare occurrence, with a rate of around 3.5%. The incidence of these findings has been found to be higher in patients aged older than 40 years. These findings are also rare in gender affirming surgeries, most of which have been reported in case reports. One study found an incidence of 0.7% for incidentally found high-risk or malignant lesions, with higher rates in patients over 25 years old. Another noted that 67% of breast cancer found in transmen were identified after gender affirming mastectomies, with over half found incidentally. Most studies have focused on incidence rate and management after surgery. For this study, we planned to additionally review preoperative imaging, focusing on patients younger than 40 years who would not have started routine mammograms.

Materials and Methods

A retrospective chart review was performed on female patients between the ages of 18 and 40 years old who underwent non-oncologic breast surgery between 2019 and 2024 and were found to have abnormal findings on pathology. Data collected included demographics, imaging, breast density, surgeries performed, tumor characteristics, stage at diagnosis, genetic testing, and follow-up recommendations.

Results

A total of 14 patients were identified. All were female patients with ages ranging from 18 to 37 years. Four patients had bilateral mastectomies for gender dysphoria, while the remaining patients had bilateral breast reductions. One patient had previous ultrasounds performed for an abscess. Four patients had a family history of breast or ovarian cancer. Two patients were found to have invasive ductal carcinoma (IDC), 2 had ductal carcinoma in situ (DCIS), 7 had atypical ductal hyperplasia (ADH), and 3 had atypical lobular hyperplasia (ALH). Of the patients who had bilateral mastectomies, 1 patient had DCIS. MRI and breast surgery follow-up was recommended, but there was no evidence of follow-up in the medical record. Ten patients were recommended to have additional imaging, of which, 6 patients had imaging performed. Six patients subsequently had genetic testing performed. Two patients underwent additional surgery for their diagnosis (1 with IDC and 1 with DCIS). The 3 patients who underwent bilateral mastectomies and were found to have ADH only had follow-up with plastic surgery. One patient with ALH found after bilateral reductions was recommended to follow up with their primary care physician. The remaining patients were referred to breast surgery.

Conclusion

Our results over a 5-year period showed a small number of patients younger than 40 years old who had incidental high-risk or cancerous lesions found on pathology following breast reduction or gender affirmation surgery. Of these 14 patients, only 1 had any imaging performed prior to surgery but for unrelated reasons. All except 1 patient were appropriately referred to breast surgery postoperatively, though it could be argued that the 3 patients with ADH after gender affirming mastectomies should be followed for their high-risk lesions, as more breast tissue is typically left behind after mastectomies for gender affirmation compared with those performed for cancer. Our study does not provide sufficient evidence to recommend routine screening prior to breast plastic surgery for diagnoses unrelated to cancer. Though it is something plastic surgeons should keep in mind, especially for high-risk patients.

Articles in this issue

61 Can the Use of Tumor Margin Markers for Intraoperative Specimen Radiographs Decrease the Rate of Margin Positivity During Breast Conservation Therapy?
61 Can the Use of Tumor Margin Markers for Intraoperative Specimen Radiographs Decrease the Rate of Margin Positivity During Breast Conservation Therapy?
63 Intraoperative Radiation and External Beam Radiation After Breast-Conserving Surgery in an Ethnic Minority Population: Patient Reported Outcomes Using BREAST-Q
63 Intraoperative Radiation and External Beam Radiation After Breast-Conserving Surgery in an Ethnic Minority Population: Patient Reported Outcomes Using BREAST-Q
64 A Prospective Study to Accurately Define the Nipple-Ward Margins in Patients Undergoing Lumpectomy for Breast Cancer
64 A Prospective Study to Accurately Define the Nipple-Ward Margins in Patients Undergoing Lumpectomy for Breast Cancer
65 The Outcomes of Nipple Sparing Goldilocks Mastectomy in a Primarily Overweight and Obese Population
65 The Outcomes of Nipple Sparing Goldilocks Mastectomy in a Primarily Overweight and Obese Population
67 Confocal Laser Scanning Microscopy (CLSM) for Intraoperative Histopathological Margin Assessment in Breast Conservation Surgery
67 Confocal Laser Scanning Microscopy (CLSM) for Intraoperative Histopathological Margin Assessment in Breast Conservation Surgery
68 Upper Extremity Disability Assessment Following Breast Cancer Surgery Using QuickDASH in an Ethnic Minority Population
68 Upper Extremity Disability Assessment Following Breast Cancer Surgery Using QuickDASH in an Ethnic Minority Population
70 Malignancy Upgrade Rates of Discordant Breast Lesions
70 Malignancy Upgrade Rates of Discordant Breast Lesions
71 Beyond the Surface: Suspicious Nipple Lesions
71 Beyond the Surface: Suspicious Nipple Lesions
72 Breast Cancer After Breast Augmentation: A Multicenter Collaborative Study Of Patient Management and Outcomes
72 Breast Cancer After Breast Augmentation: A Multicenter Collaborative Study Of Patient Management and Outcomes
73 Short- and Long-Term Outcomes in Use of Titanium-Coated Polypropylene Meshes in Immediate Breast Reconstruction: A Cost-Effective and Safe Option?
73 Short- and Long-Term Outcomes in Use of Titanium-Coated Polypropylene Meshes in Immediate Breast Reconstruction: A Cost-Effective and Safe Option?
74 Lessons Learned From a Breast Surgery ERAS Program in an Oncologic Ambulatory Center
74 Lessons Learned From a Breast Surgery ERAS Program in an Oncologic Ambulatory Center
75 Comparing 21-Gene Assay Recurrence Scores Before and After Preoperative Radiation Boost in Patients Enrolled in a Phase 2 Prospective Clinical Trial
75 Comparing 21-Gene Assay Recurrence Scores Before and After Preoperative Radiation Boost in Patients Enrolled in a Phase 2 Prospective Clinical Trial
76 Electromagnetic Chip Bracketed vs Wire Bracketed Localization in Breast Conserving Surgery
76 Electromagnetic Chip Bracketed vs Wire Bracketed Localization in Breast Conserving Surgery
77 A Radio Opaque Suture May Improve Radiation Target Delineation in Post Lumpectomy Patients With Breast Cancer: A Retrospective Analysis
77 A Radio Opaque Suture May Improve Radiation Target Delineation in Post Lumpectomy Patients With Breast Cancer: A Retrospective Analysis
78 Comparison of Positive Margin Rate of Breast Cancer in Higher BMI Patients
78 Comparison of Positive Margin Rate of Breast Cancer in Higher BMI Patients

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