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Abstract #2529

Use of amide proton transfer-weighted imaging to distinguish ovarian cysts due to endometriosis from cystadenoma and cystadenocarcinoma

Ye Li1, Yaxin Niu1, Xuedong Wang1, Lihua Chen1, Yanling Wu2, and Ailian Liu1
1The First Affiliated Hospital of Dalian Medical University, Dalian, China, 2Philips Healthcare, Beijing, China

The intensity of the APT signal depends on the pH and protein content within the tissue. The later the bleeding stage is, the lower the APT value is. The ectopic endometrium repeatedly bleeds in the ovary. The blood components deposited in the cyst fluid decomposition, so the APT value of the cyst fluid is reduced. The metabolic level of tumor tissue is increased, and more protein is synthesized. Therefore, the protein content of ovarian cystadenoma and cystadenocarcinoma fluid is higher, so the APT value is increased.

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