The shapes of neuronal cell bodies are spherical, ovoid , pyramial, fusiform, stellate or crescentic.

神经元细胞体的状有，卵，锥，梭，星或半月。

SMA staining was positive in basophilous small blocks, spindle or irregular cell cluster.Of the 218 cases, 56 cases had smooth muscle.

动蛋白染色显示嗜碱性的小状、梭或不规则的细胞束呈阳性反应，证明为，218例中56例显示了的存在。