Abstract #3639
Carcinosarcoma of the Uterus: MR Findings including Diffusion-weighted imaging and in-vivo proton MR Spectroscopy
Mayumi Takeuchi 1 , Kenji Matsuzaki 1 , and Masafumi Harada 1
1
Department of Radiology, University of
Tokushima, Tokushima, Tokushima, Japan
We evaluated the MR findings (morphologic appearances,
ADC values on DWI and metabolite concentration on MRS)
of pathologically proven 11 carcinosarcomas of the
uterus. The mean and minimum ADCs were 0.92+/-0.21, and
0.73+/-0.16, respectively. The choline and lipid
concentrations (mM) were 5.38+/-2.83 and
145.39+/-122.65, respectively. We conclude that large
exophytic endometrial mass, often exhibiting gtumor
prolapseh, containing strongly enhanced areas may
suggest carcinosarcoma. Relatively higher mean ADC with
low minimum ADC, relative low choline concentration and
high lipid peak may reflect internal heterogeneity of
carcinosarcoma due to the admixture of high-grade
malignant tumor cells, necrosis, and epithelial
glandular cystic components.
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