Most men referred for breast imaging have palpable lumps, breast enlargement, or tenderness. Most of the evaluated lesions are benign. Male breast cancer accounts for less than 1% of total male breast lesions. Differentiation between benign and malignant masses is critical because it alleviates patient anxiety and allows unnecessary procedures to be avoided. Clinically suspicious lesions referred for imaging should first be evaluated with mammography. In patients with questionable findings at mammography and for lesions that are difficult to image with mammography, ultrasonography (US) is often useful for further characterization. A discrete mass at mammography or US is suspicious for malignancy. The relationship of the mass to the nipple should be carefully assessed; an eccentric location is highly suspicious for cancer. Secondary signs occur earlier in male patients because of smaller breast size. Such signs include nipple retraction, skin ulceration or thickening, increased breast trabeculation, and axillary adenopathy. US of the axillary region is helpful for staging. At pathologic analysis, cystic lesions commonly demonstrate malignant findings; therefore, all cysts and complex masses should be worked up as potentially malignant lesions. Benign conditions that may mimic male breast cancer include gynecomastia, lipoma, epidermal inclusion cyst, pseudoangiomatous stromal hyperplasia, and intraductal papilloma.
This study shows the advantage of SCNBx to diagnose breast cancer and definitive operative care at a single procedure. The preoperative diagnosis of breast cancer eliminated positive operative margins and procedures to re-excise breast tissue. The use of SCNBx also saved approximately $1000 per patient compared with the use of NLBx. Our data suggest that SCNBx is the diagnostic procedure of choice for mammographically detected cancers.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.