Abstracts

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E1617. Oh Men! Tumors in Your Breast
Authors
  1. Pramod Gupta; Dallas VA Medical Center
  2. Soume Foshee; Dallas VA Medical Center
  3. Francisco Garcia-Morales; Dallas VA Medical Center
Background
Although majority of male patients presenting for breast imaging turn out to have gynecomastia, occasionally tumors are also encountered. These tumors can be benign or malignant. The purpose of this exhibit is to describe the imaging findings of various tumors that occur in male breast and help the viewer learn an imaging pattern-based approach to develop a reasonable differential diagnosis.

Educational Goals / Teaching Points
To familiarize the viewer with those imaging features which can be considered benign, require no further work-up and to familiarize with those findings which should be considered sufficiently suspicious or indeterminate to warrant further work-up.

Key Anatomic/Physiologic Issues and Imaging Findings/Techniques
Male breast anatomy will be reviewed briefly followed by short discussions, illustrated examples and images of various tumors that occur in male breast. The benign tumors will include lipoma, dermofibroma, angiolipoma, myeloblastoma, hemangioma, Mason tumor, schwanomma, granular cell tumor and fibroadenoma. Malignant tumors will include ducal carcinoma in situ, invasive ductal carcinoma, papillary carcinoma, recurrent breast carcinoma, lymphoma, angiosarcoma, malignant peripheral nerve sheath tumor and metastases. Predominant emphasis will be on mammographic and ultrasonographic findings.

Conclusion
Various benign and malignant tumors can occur in male breast. Mammograms and ultrasound play a significant role in evaluation of these masses. Close attention to imaging features can facilitate appropriate recommendations for further work-up and management.