Ichthyosis Vulgaris (IV) | Figure 2.32 A: Uncombable hair syndrome (Reprint from Burgdorf WH, Plewig G, Wolff HH, Landthaler M, eds. Braun- Falco’s Dermatology. 3rd ed. Heidelberg: Springer; 2009) B: Triangular lunulae (NPS) (Reprint from Tosti A, Ralph DC, Piraccini BM, Iorizzo M. Color Atlas of Nails. Heidelberg: Springer; 2010) C: Ichthyosis vulgaris (Courtesy of Dr. Paul Getz) |
(Figure 2.32C) - AD, decreased/absent profilaggin (keratohyalin granules)
- Presents few months after birth to early childhood with fine, white scales on extensor surfaces; flexures spared, hyperlinear palms/soles, atopic diathesis
- Histology: attenuated/absent granular layer, retention hyperkeratosis
- Acquired form of IV associated with internal disease, malignancies, and some medications
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