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Pilocytic astrocytoma is characterised by a biphasic compact (*) and looser, microcystic areas (+); haematoxylin & eosin (H&E) 40×. b High magnification of eosinophilic granular bodies (arrowheads) and Rosenthal fibers (arrows); H&E 400×. c Higher magnification of the loose area; H&E 100×
