Extramedullary hematopoiesis, AROP

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Extramedullary hematopoiesis, AROP Extramedullary hematopoiesis, AROP. A, Axial contrast-enhanced T1-weighted image shows homogeneously enhancing extraaxial tissue along the parietal convexities and falx cerebri.B, Right lateral projection of 99mTc-sulfur colloid study shows uptake in these ... Extramedullary hematopoiesis, AROP. A, Axial contrast-enhanced T1-weighted image shows homogeneously enhancing extraaxial tissue along the parietal convexities and falx cerebri.B, Right lateral projection of 99mTc-sulfur colloid study shows uptake in these deposits of extramedullary hematopoiesis. Joel K. Curé et al. AJNR Am J Neuroradiol 2000;21:1110-1115 ©2000 by American Society of Neuroradiology