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Ref : 014574-22 - © ISM Pheochromocytoma: large eosinophilic cells of the adrenal medulla marked by chromogranin A and arranged in cords or small mass between sinusoids (clear spaces). Histological section (the adrenal cortex, visible on the right, is normal), immunohistochemistry, x 200 (at 24 x 36 mm size). |