Pathological Anatomy. Atlas of Macroscopic Specimens - Part 1. General Pathological Processes - A. M. Romaniuk 2016

Morphology of Tumor Growth
Wilms' Tumor

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Wilms' Tumor

The specimen shows a pediatric Kidney measuring 6 × 3 cm, with a tumor mass up to 10 cm in diameter in the upper pole, exhibiting areas of Hemorrhage, necrosis, and myxoid degeneration. The tumor tissue has a variegated appearance. Histologically, the renal Structure shows signs of cellular and tissue atypia, numerous mitoses, and infiltrative growth. Wilms' tumor is an embryonic neoplasm typically diagnosed in childhood.



Last update: 10/08/2026

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