Fig. 2

a Gross examination showed a gray-white irregular tissue fragment. The cut surface showed gray to yellowish white homogenous appearance (the specimen image during additional tissue submission in the second time grossing). b, (4x magnification) and c (20x magnification), & d (40x magnification), Microscopic view showed solid tissue fragments composed of mature neural tissue comprising glial cells and astrocytes with no other germ cell layer component