Fig. 5: ALK-RCC demonstrating morphology resembling a metanephric adenoma morphology (case #3). | Modern Pathology

Fig. 5: ALK-RCC demonstrating morphology resembling a metanephric adenoma morphology (case #3).

From: ALK rearranged renal cell carcinoma (ALK-RCC): a multi-institutional study of twelve cases with identification of novel partner genes CLIP1, KIF5B and KIAA1217

Fig. 5

a The tumor was well-circumscribed, but capsule was not present (×20). b The tumor cells were arranged in small tubules and occasional tubules were elongated (×40). c The cells showed scant cytoplasm and basophilic nuclei (×100). d ALK immunostaining was diffusely positive in the neoplastic cells (×200).

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