Fig. 2From: Primary retroperitoneal mucinous cystic tumour of borderline malignancy mimicking kidney duplicate: cases report and literature reviewa Coronal computed tomography image of the retroperitoneal cystic tumour. b Double ureter showed in the retroperitoneum after the tumour removal. c The cystic mass. d The fluid content of the tumour. e, f Low-grade intraepithelial neoplasia in the cyst wall. g, h Focal high-grade intraepithelial neoplasia in the cyst wall. (haematoxylin–eosin stain; e, g: magnification: × 100; f, h: magnification: × 200)Back to article page