Fig. 3From: ALK rearrangement-associated renal cell carcinoma morphologically mimicking mucinous tubular and spindle cell carcinoma: a case reporta Extracellular mucin deposition is highlighted by alcian blue staining). IHC results for CK7 (b), AMACR (c), and ALK(D5F3) (d). The magnification of all four slides is ×200. The tumor showed diffuse positivity at the cytoplasm and diffuse and strong positivity at the cell membraneBack to article page