usmlebuzz
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A seven-year-old child presents to his pediatrician with loss of balance. On CT, he is noted to have a cystic structure in his cerebellum with a solid structure in the wall of the cyst. After the tumor is resected, what does the pathologist expect to see?
A. Elongated, brightly eosinophilic structures within astrocytes
B. Faintly basophilic PAS plus lamellar bodies located at astrocytic end processes
C. Gemistocytic astrocytes
D. Gray matter astrocytes with a large nucleus and intranuclear glycogen droplet
E. Swelling of the astrocyte cytoplasm
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| Yulia
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the answer is A
This girl most likely has pilocytic astrocytoma, for which cystic appearance and presence of astrocytes with elongated processes with Rosenthal fibers are diagnostic clues.
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