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The key feature of basal cell carcinoma at low power magnification is of a basaloid epithelial tumour arising from the epidermis (figure 1). The basaloid epithelium typically forms a palisade with a cleft forming from the adjacent tumour stroma (figure 2).
17 sty 2006 · Seborrheic keratoses comprise basaloid epithelia, usually without atypia or mitotic activity, accompanied by pseudohorn cyst formation and either a pigmented reticulated, a solid acanthotic or...
The cells in the tumour, or neoplasm, are called basaloid because they look similar to the basal cells normally found at the bottom of a thin layer of tissue called the epithelium. Basaloid neoplasm is not a specific diagnosis.
Basal cell carcinoma (BCC) is the most common paraneoplastic disease among human neoplasms. The tumor affects mainly photoexposed areas, most often in the head and seldom appears on genitalia and perigenital region.
Islands of epithelium were made up of basaloid appearing cells with peripheral palisaded arrangement, showing large vesiculated nuclei with an increased nuclear-to-cytoplasmic ratio and scant amphophilic cytoplasm. Surface epithelium showed features of dyplasia.
18 lis 2021 · Fibroepithelial BCC (fibroepithelioma of Pinkus or Pinkus tumor) is a distinct variant composed of thin strands of anastomosing basaloid cells with reticular pattern of development, linked to the epidermis and within a fibroblastic stroma.
3 maj 2021 · Basal cell carcinoma (BCC) arises from the interfollicular or follicular epithelium. Most common malignant tumor type in humans. Local aggressive course. Low disease associated death rate; metastases to lung and bone exceptionally rare.
