case_images: PMC10601827_01
case_images: Preoperative computed tomography (CT) scan of a giant retroperitoneal teratoma; axial view (a) and coronal view (b).
case_images: cro-2023-0016-0001-533829_F01.jpg
case_images: PMC10601827_01_cro-2023-0016-0001-533829_F01.jpg
case_images: F1
case_images: The deviation of the abdominal aorta to the right side was also present due to the mass (shown in Fig. 1).
case_images: a Gross appearance of the excised teratoma. b Intraoperative image showing dilated ureter due to pressure effect of the huge retroperitoneal teratoma.
case_images: cro-2023-0016-0001-533829_F02.jpg
case_images: PMC10601827_01_cro-2023-0016-0001-533829_F02.jpg
case_images: F2
case_images: However, the left ureter and left kidney were transposed to the posterolateral, leading to hydronephrosis (shown in Fig. 2).
case_images: a-c Microscopic sections show mature elements. a Squamous and respiratory epithelium. b Neurogenic mesenchymal tissue and respiratory epithelium. c Mature cartilage and adipose tissue (hematoxylin and eosin, x40). d, e Microscopic sections show immature neuronal component. a Low magnification of primitive neuronal areas (hematoxylin and eosin, x100). b Primitive cells with scant cytoplasm, hyperchromatic nuclei and rosette formation (arrow) (hematoxylin and eosin, x400).
case_images: cro-2023-0016-0001-533829_F03.jpg
case_images: PMC10601827_01_cro-2023-0016-0001-533829_F03.jpg
case_images: F3
case_images: Cut sections showed multicystic areas filled with clear fluid, mucinous material, and some nodularity and bony areas (shown in Fig. 3).