The most common is a craniopharyngioma, which forms near the pituitary gland.

最常见的儿童脑幕上肿瘤是颅咽管瘤，在垂体腺旁形成。

Now, remnants of Rathke's pouch that do not mature can form craniopharyngiomas.

没有发育成熟的Rathke囊残余部分可形成颅咽管瘤。