Search Results for: x-linked ichthyosis

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen sclerosus et atrophicus

…alba White spot disease Presentation stereotypical Age and sex Any age, but most common in middle-aged women Distribution of lesions Genitalia particularly, but also other sites such as the trunk and limbs Configuration of lesions Figure-eight or ho…

Histologic Diagnosis of Inflammatory Skin Diseases

Darier’s disease and simulators of it

…yms Darier-White disease Presentation stereotypical Age and sex Onset in childhood or adolescence in both sexes Distribution of lesions Symmetrical and widespread, favoring the neck, shoulders, upper part of the trunk, and scalp Arrangement of lesion…

Dermatology Practical & Conceptual

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Histologic Diagnosis of Inflammatory Skin Diseases

Incontinentia pigmenti

…Laboratory confirmation Genetic mapping for mutations in the Xp I I.21 or the Xq28 locus. Cause and mechanism This hereditary systemic disease is caused by an Xlinked genetic defect in loci Xp I I.21 or Xq28, which is dominant in females and usuall…

Differential Diagnosis in Dermatopathology

Nodular vasculitis vs. Subcutaneous polyarteritis nodosa

…ous nodules (lymphadenosis benigna cutis), and acral patches and plaques that in time become atrophic (acrodermatitis chronica atrophicans). It may express itself in other organs as well, with cardiac, neurological, and arthritic symptoms and signs….

Dermatology Practical & Conceptual

Yellow color upon dermatoscopy does not exclude melanoma!

…k, bright red, purple or blue. Instead, yellow color has been linked to keratin or lipids, and accordingly, it is commonly seen in keratinizing tumors including seborrheic keratosis and squamous cell carcinoma or in tumors with sebaceous differentiat…