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Category: H

By Dr:jehad March 28, 2026

Horn = القرن

Horn = القرن HORN A horn is a conical mass of cornified cells arising over an abnormally differentiating epidermis. Associated underlying pathologic states may include human papilloma virus replication in keratinocytes of a wart or the clonal expansion of mutated keratinocytes in squamous cell carcinoma. A clinical example is verruca vulgaris .

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By Dr:jehad March 28, 2026

Hydroa vacciniforme = المائية اللقاحينية

Hydroa vacciniforme = المائية اللقاحينية Hydroa Vacciniforme   EPIDEMIOLOGY Hydroa vacciniforme (HV) occurs in the United States, the United Kingdom, continental Europe, Japan, and very possibly elsewhere. However, its rarity and lack of universally acknowledged diagnostic criteria make precise evaluation difficult. ETIOLOGY AND PATHOGENESIS The pathogenesis of HV is unknown. No chromophores have been identified, and although the UVB minimal erythemal dose […]

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