case_images: PMC6304206_01
case_images: Computed tomography of the abdominopelvic region shows an enlarged well-defined border uterus with diffused enhancing thickening in the endometrial cavity.
case_images: CRIOG2018-5906760.001.jpg
case_images: PMC6304206_01_CRIOG2018-5906760.001.jpg
case_images: fig1
case_images: Computed tomography (CT) of the abdominopelvic region showed an enlarged, well-defined uterine border with diffused enhancing thickening in the endometrial cavity involving entire uterine body and cervix (Figure 1).
case_images: Gross examination of uterus reveals an enlarged uterus 13x13x7 cm with an intracavitary polypoid mass occupying the entire endometrial cavity and endocervical canal.
case_images: CRIOG2018-5906760.002.jpg
case_images: PMC6304206_01_CRIOG2018-5906760.002.jpg
case_images: fig2
case_images: Macroscopically, the uterus weighed 714.67 grams and measured 13x13x7 cm with an intracavitary polypoid mass that occupied the entire endometrial cavity (Figure 2).
case_images: Microscopic examination reveals a small round cell tumor with high mitotic activity arranged in tight nests separated by a delicate capillary network (H&E staining; 20x).
case_images: CRIOG2018-5906760.003.jpg
case_images: PMC6304206_01_CRIOG2018-5906760.003.jpg
case_images: fig3
case_images: Histologically, the tumor exhibited a permeative growth pattern and was composed of uniformly high-grade round cells with brisk mitotic activity arranged in tight nests separated by a delicate capillary network (Figure 3).
case_images: Microscopic examination reveals the presence of an extensive lymphovascular space invasion in the myometrium (H&E staining; 4x).
case_images: CRIOG2018-5906760.004.jpg
case_images: PMC6304206_01_CRIOG2018-5906760.004.jpg
case_images: fig4
case_images: The tumor had invaded the uterine serosa, and there was extensive lymphovascular space invasion (LVSI) (Figure 4).