The most characteristic feature of basal cell carcinoma is:
(A) Keratin pearls (B) Foam cells (C) Nuclear palisading (D) Psammoma bodies
(C) Ans. c. Nuclear palisadingThe most characteristic feature of basal cell carcinoma is nuclear palisading.The characteristic finding is of ovoid cells in nests with a single 'palisading' layer. lt is only the outer layer of cells that actively divide, explaining why tumor growth rates are slower than their cell cycle speed would suggest, and why incompletely excised lesions are more aggressive.Morphoeic BCCs synthesis. size type 4 collagenase and so spread rapidly.