Journal of Current Surgery, ISSN 1927-1298 print, 1927-1301 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Curr Surg and Elmer Press Inc
Journal website https://www.currentsurgery.org

Case Report

Volume 11, Number 3, September 2021, pages 69-72

Giant Borderline Phyllodes Tumor With Malignant Presentation: A Case Report

Figures

Figure 1.
Figure 1. Pre-operative phyllodes tumor of the left breast.
Figure 2.
Figure 2. Post-operative gross image of a phyllodes tumor.

Table

Table 1. An Algorithm for Differentiating Between Benign, Borderline and Malignant Phyllodes Tumors
 
Histological featuresBenignBorderlineMalignant
HPF: high-power field.
Stromal hypercellularityMinimalModerateMarked
Cellular pleomorphismLittleModerateMarked
Mitosis0 - 4/10 HPF5 - 9/10 HPF> 10/10 HPF
MarginsPushingZone of microscopic invasion around tumor marginsInvasive
Stromal patternUniform stromal distributionHeterogenous stromal expansionMarked stromal overgrowth
Heterologous stromal differentiationRareRareNot uncommon