Trichilemmal carcinoma pathology
Figure 1
Keywords: Trichilemmal carcinoma, Histopathology-image, Pathology
Histology of trichilemmal carcinoma
Trichilemmal carcinoma is often well defined laterally and is composed of lobules of atypical keratinocytes exhibiting clear cell change. At the periphery of the lobules the keratinocytes show palisading and are surrounded by a prominent connective tissue sheath (figures 1, 2). The invasive tumour front is usually a broad pushing front. The cells often exhibit marked pleomorphism and numerous mitoses (figure 3, 4).
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