deeply-stained nuclei with indistinct cell membranes. At the periphery of each lesion, the epithelial cells are well-polarized, suggestive of cutaneous basal cells. About 30% of NBCCS patients ...

The nuclei of progenitor cells in the developing neuroepithelium move between the apical and basal surfaces of the cells as they progress through the cell cycle. The functional relevance of this ...