Results The smear in 24 of 32 cases revealed ependymal rosettes (77.4%), 11 perivascular pseudorosettes (35.5%) and 23 nuc...

• 结果有室管膜瘤菊形团者占774%25(24/31),血管周假菊形团为355%25(11/31),核沟为742%25(23/31)。