The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A previously healthy 2-year-old boy is brought to the physician because of a 10-day history of unsteady gait, frequent falls, and twitching of the extremities. Physical examination shows bilateral saccadic eye movement in all directions and brief, involuntary muscle contractions of the trunk and limbs. There is an ill-defined, nontender mass in the upper right abdomen. He undergoes surgical resection of the tumor. Histopathologic examination of this mass is most likely to show which of the following?   (A) Numerous immature lymphocytes in a starry sky pattern   (B) Abortive glomeruli and tubules in a spindle cell stroma   (C) Small blue cells arranged in rosettes around a central neuropil   (D) Hepatocytes in fetal and embryonic stages of differentiation
['(C) Small blue cells arranged in rosettes around a central neuropil <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Numerous immature lymphocytes in a starry sky pattern \n (B) Abortive glomeruli and tubules in a spindle cell stroma \n (C) Small blue cells arranged in rosettes around a central neuropil \n (D) Hepatocytes in fetal and embryonic stages of differentiation <> possible answers', '  A previously healthy 2-year-old boy is brought to the physician because of a 10-day history of unsteady gait, frequent falls, and twitching of the extremities. Physical examination shows bilateral saccadic eye movement in all directions and brief, involuntary muscle contractions of the trunk and limbs. There is an ill-defined, nontender mass in the upper right abdomen. He undergoes surgical resection of the tumor. Histopathologic examination of this mass is most likely to show which of the following? <> context@']