Basal Cell Carcinoma Lesion View

Description

Cut through a segment of human skin reveals the epidermis overlying the papillary and reticular dermis, with adnexal structures including hair follicles and attached sebaceous glands descending obliquely, and coiled eccrine sweat glands positioned deeper in the dermis. An ulcerated basal cell carcinoma (BCC) interrupts the epidermal surface, forming a crater-like defect that extends into the superficial dermis, where the tumor mass sits inferior to the ulcer base and displaces surrounding collagen and elastin. Fine superficial vessels course toward the lesion margin, consistent with the telangiectasias often seen clinically, while subcutaneous adipose tissue lies deep to the dermal plexus. Basal cell carcinoma arises from basal keratinocytes (or follicular-related progenitors) and characteristically grows with local infiltration rather than metastasis, so a cross-sectional view helps explain why lesions that appear small on the surface can track down along adnexal structures and undermine clinically normal-appearing epidermis. Ulceration and surface crust correspond to the classic rodent ulcer morphology, and the prominence of superficial vessels supports dermoscopic teaching points, where arborizing telangiectasia and ulcer are common clues. Margin control matters. Use this artwork in dermatology and dermatopathology curricula to correlate surface findings with depth of invasion, and in surgical education to support discussions of excision margins, Mohs micrographic surgery workflow, and site-dependent reconstruction planning on sun-exposed skin. It also reads well in patient-facing oncology materials explaining why early treatment prevents progressive local tissue destruction. Anatomical accuracy verified by SciePro's Medical Advisory Board.