Fig. 4.
Medio-lateral oblique mammograms of gynecomastia types and pseudogynecomastia as common causes of the male breast lump. Nodular (a), dendritic (b), and diffuse glandular (c) types of gynecomastia are demonstrated. Pseudogynecomastia which refers to breast enlargement in men primarily due to fatty tissue without associated fibroglandular tissue (d)