Staining degree Frontal Occipital No. % No. % -ve 0 0 0 0 +ve 20 100% 20 100% ++ve 0 0 0 0 +++ve 0 0 0 0 -ve : negative,  +ve : mild positivity, ++ve : moderate positivity and +++ve : strong positivity.

Table 3: Staining degree of CK15 in frontal versus occipital skin.