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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Am J Surg Pathol. 2014 May;38(5):654–659. doi: 10.1097/PAS.0000000000000195

Image 1.

Image 1

Fusion positive RMS demonstrate strong myogenin (A, 200x), AP2β (B, 200x), and NOS-1 (C, 200x) expression with weaker or absent HMGA2 expression (D, 200x). In contrast, fusion negative RMS demonstrate weak to moderate myogenin expression (E, 200x), weak or absent AP2β (F, 200x) and NOS-1 (G, 200x) expression and strong HMGA2 expression (H, 200x).