Mark Fisher, Aaron L. Burshtein, Joshua G. Burshtein, Panagiotis Manolas, Scot B. Glasberg
More than 100,000 reduction mammaplasties are performed in the United States each year. There is large variance in reported incidence of cancerous/high-risk lesions, ranging from 0.06% to 4.6%. There has been debate whether histological review of breast reduction specimen is necessary. This study aimed to determine the incidence of cancerous/high-risk lesions and to evaluate risk factors for their occurrence.
A retrospective review was conducted for all patients who underwent reduction mammaplasty in 2018 by the senior author. Variables collected included demographics, comorbidities, history of breast surgery, family/personal history of breast cancer, weight of specimen, and pathologic findings. All specimens underwent pathologic evaluation and categorized as benign, proliferative, or malignant.
A total of 155 patients underwent 310 reduction mammaplasties. Pathologic evaluations found that 11 patients (7.1%) had positive findings, 9 (5.8%) had proliferative lesions, and 2 (1.29%) had cancerous lesions. Patients with pathology were older (P = 0.038), had a family history of breast cancer (P = 0.026), and had a greater weight of resected tissue (P = 0.005). Multivariable analysis showed family history of breast cancer (P = 0.001), prior breast surgery (P = 0.026), and greater weight of resected breast tissue (P = 0.008) had a higher likelihood of positive pathology.
These findings demonstrate an incidence of positive pathology higher than that reported and illustrate the importance of histologic review of breast reduction specimens. Family history of breast cancer, prior breast surgery, and a greater weight of resected tissue increase risk for proliferative/cancerous lesions.
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