Dermatopathology Slide Review Part 143 Paul K. Shitabata, M.D. Dermatopathology Institute Torrance, CA Wednesday, August 10, 11
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Dermatopathology Slide Review Part 143
Paul K. Shitabata, M.D.Dermatopathology Institute
Torrance, CA
Wednesday, August 10, 11
Wednesday, August 10, 11
Wednesday, August 10, 11
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Invasive Squamous Cell Carcinoma, Poorly
DifferentiatedWith Vascular and Perineural Invasion
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Perineural Invasion
Vascular Invasion
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Mongolian Spot
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Notes
• Histologically contains dendritic melanocytes
• DDX: Blue nevus, Nevus of Ito, Nevus of Ota
• Distinguish by clinical presentation
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Sparse pigmented dendritic melanocytes
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Pemphigus vulgaris
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Siuprabasilar Acantholysis
Acantholysis extends along follicular epithelium
Eosinophils
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Linear IgA Disease
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Notes
• DIF revealed linear deposit of IgA along DE junction
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Papillary Dermal Microabscess
Neutrophils Predominate over EosinophilsWednesday, August 10, 11
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Pemphigus Foliaceus
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Acantholytic cells clinging to stratum corneum “Klingons”
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