PMC4320910_01
A 28 mm x 34 mm well-circumscribed mass at upper lateral quadrant of the right breast. There was no calcification.
CRIONM2015-210643.001.jpg
PMC4320910_01_CRIONM2015-210643.001.jpg
fig1
Current mammography revealed a well-defined homogeneous lesion corresponding to the palpable mass of 28 mm x 34 mm in size located in upper lateral quadrant (Figure 1).
Many round to fusiform tumor cells surrounded the capillaries (Hematoxylin/eosin, x100).
CRIONM2015-210643.002.jpg
PMC4320910_01_CRIONM2015-210643.002.jpg
fig2
The tumor cells appeared round to fusiform with a dense reticulin meshwork surrounding the individual tumor cells (Figure 2).
Immunohistochemistry demonstrating the strong expression of the (a) vascular marker CD34 and (b) vimentin by all tumor cells, x25.
CRIONM2015-210643.003.jpg
PMC4320910_01_CRIONM2015-210643.003.jpg
fig3
The tumor cells expressed CD34, bcl-2, CD99, and vimentin and were negative for LCA (leukocyte common antigen), desmin, SMA (smooth muscle antigen), CK7, CK34, BE12, CK19, and CK20, (Figure 3).