Figure 3 : Photomicrographs (E-F) showing: immunostain profile of comedo necrosis tumours.

Positivity of stainingis scored by the intensity of dark brownDAB (3,3’-Diaminobenzidine)deposits (E): Claudin-1 negative; (F): Claudin-3 negative; (G): CD10 positive; (H): CK5 positive; (I): CD10 positive incomedo areas (red arrow) and negative in metaplastic areas (yellow arrow) ; (J): CD10 positive; (K): Claudin 4 positive 3+; (L): Claudin 3 positive 2+; (M): Claudin 4 +/- positive; (N): Maspin positive; (O) : Claudin 3 positive 2+; (P): Maspin positive 2+.

McFarlane et al.Journal of Histology & Histopathology  2019 6:7DOI : 10.7243/2055-091X-6-7