Case 1 -

Sebaceous Carcinoma David Cassarino Stanford University School of Medicine Stanford, CA

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Click here to download handout in 1-up pdf format for the current section (2.93 MB) Click here to download handout in 6-up pdf format for the current section (735 KB) Clinical History A 60 year-old male presented with a several month history of an enlarging, occasionally bleeding, lesion on his scalp. Clinical examination showed a 1.5 cm ulcerated plaque on the left scalp; the clinical differential diagnosis was SCC versus BCC. Case 1 - Slide 1 Click to view with ImageScope Click to view with a Web-Based Viewer Case 1 - Figure 1 Scalp tumor with deep dermal invasion, 2X Case 1 - Figure 2 Infiltrating tumor with basaloid to squamoid differentiation and clear cell areas, 4X Case 1 - Figure 3 Higher power of squamoid-appearing area with scattered large, pleomorphic clear cells (arrow), 20X Case 1 - Figure 4 Juxtaposition of squamoid (left) and clear cell areas (right) with frequent mitoses (Figure 5), 20X Case 1 - Figure 5