• Jul 17, 2026 weedon s skin pathology nfections: Presence of spores or hyphae within the stratum corneum, highlighted with special stains (PAS, GMS). Genodermatoses and Rare Conditions Weedon’s also covers genetic skin disorders, emphasizing their unique histological features: Ichthyoses: Hyperkeratosis and abnormal kerat BY Stone Weissnat