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Fig. 2C. —Multilocular thymic cyst in 29-year-old woman with 8-month history of myasthenia gravis. Photograph of gross specimen shows many small cysts separated by thick fibrous septa in right thymic lobe (R) and two large cysts in left thymic lobe (L). Note dark hemorrhagic fluid in left lobe cysts and yellow fluid in right lobe cysts. Number of right lobe cysts is greater than noted on CT (A and B). Also note nodular and linear calcifications in left lobe cyst wall (open arrows) corresponding to calcification (arrowhead, A) on CT. Aggregated small cysts (black arrowheads) in top of right thymic lobe and soft-tissue region (white arrowheads) in lower portion of left thymic lobe (arrows, in A and B) corresponded to soft-tissue attenuation components on CT.