cytomorphology at the time of onset recurrence
nuclear eccentricity + +
scattered + +
rosette formation + +
salt-and-pepper chromatin + +
inclusion bodies + +
papillary growth - +
sheet-like cluster - +
cell mitosis - +
spindle cells - +
Nucleolus - +
Immunostaining    
CD56 + +
Synaptophysin + +
ChromograninA + -
MIB-1 index 20% 25%
CK19 + +
Table 1: At the time of onset, recurrence of Cytomorphology and Immunostaining.