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Figure 2 | SpringerPlus

Figure 2

From: Large pseudoangiomatous stromal hyperplasia complicated with gynecomastia and lobular differentiation in a male breast

Figure 2

The background demonstrates gynecomastia, characterized by the proliferation of ductal epithelium and stroma (a low-power field). There are no atypical cells, and a biphasic pattern is maintained (b high-power field). Lobular formation is observed in the area exhibiting gynecomastia (c low-power field). The acinar cells contain numerous vacuoles, and appeared to exhibit secretory activity during the lactation period (d high-power field).

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