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Updated: Jul 14, 2026
Patient-derived Orthotopic Xenograft Models for Human Urothelial Cell Carcinoma and Colorectal Cancer Tumor Growth and Spontaneous Metastasis
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Small cell carcinoma of the uterine corpus: MR imaging and pathological correlation
Ken Tamai1, Takashi Koyama, Tsuneo Saga
1Department of Diagnostic Imaging and Nuclear, Graduate School of Medicine, Kyoto University, Japan.
Abstract:
Small cell carcinoma of the uterine corpus is a rare but aggressive neoplasm showing neuroendocrine differentiation; its radiological findings are not well described. We report the magnetic resonance features of 3 cases with pathological correlation. Small cell carcinoma is shown as a bulky endometrial tumor of heterogeneous appearance on T2-weighted images, frequently associated with diffuse myometrium invasion and early extrauterine spread. Irregular enhancement with multifocal unenhanced areas of the thickened myometrium on contrast-enhanced T1-weighted images may represent the infiltrative nature of the tumor with extensive necrosis.
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