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Fig. 1 | Diagnostic Pathology

Fig. 1

From: Inverted urothelial papilloma of the upper urinary tract: description of two cases with systematic literature review

Fig. 1

Histological features of two cases of IUP of the upper urinary tract. Sessile polypoid tumour of the renal pelvis consisting of anastomosing trabeculae and cords growing downward into the lamina propria, with prominent peripheral palisading in the trabeculae (Case 1: a, b). Pedunculated polypoid IUP of the distal ureter characterized by microcyst formation and foci of squamous metaplasia (Case 2: c, d)

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Diagnostic Pathology

ISSN: 1746-1596

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