A Case of Cystosarcoma Phyllodes Evaluated by $^{99m}Tc-Methylene$ Diphosphonate Bone Scintigraphy

$^{99m}Tc-Methylene$ Diphosphonate 골신티그램으로 관찰된 유선엽상 낭포육종 1예

The $^{99m}Tc-phosphate$ compounds, of which methylene diphosphonate is most widely used, were originally introduced as bone scanning agents intended primarily to detect metastatic bone deposit. They may also accumulate in extraskeletal sites including breast. Recently we had the opportunity to observe one case of cystosarcoma phyllodes that was confirmed by tissue biopsy and demonstrated diffuse extraskeletal uptake of $^{99m}Tc-MDP$ in the breast on $^{99m}Tc-MDP$ bone scan in the breast on $^{99m}Tc-MDP$ bone scan. So we present this case with the brief review of literatures.