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Fig. 2D —45-year-old woman with right adrenal myelolipoma. Because patient was unable to hold her breath, this 3D iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) sequence was respiratory-gated Axial gradient-recalled echo T1-weighted IDEAL water-only (A), fat-only (B), in-phase (C), and opposed-phase (D) images are derived from single acquisition (TR/TE, 6.8/2). Note area containing bulk fat (arrow, B) in lesion on fat-only image (B). Opposed-phase image (D) is easily recognized because of "edge artifact" (arrowheads, D) at fat–water interfaces.