Porokeratosis
Porokeratosis George R. Collins, DO Joseph Susa, DO Clay J. Cockerell, MD Key Facts Terminology Porokeratosis: Genodermatosis with clonal keratinocytes resulting in clinically and morphologically distinct keratinization disorder Several clinical…
Atypical Mycobacterial Infections
Atypical Mycobacterial Infections Cary Chisholm, MD Key Facts Clinical Issues Tender nodules, abscesses, plaques, or ulcers May be solitary or multiple Erythema M. marinum (swimming pool granuloma, fish tank granuloma)…
Ecthyma Gangrenosum
Ecthyma Gangrenosum Cary Chisholm, MD Key Facts Terminology Sepsis (classically with Pseudomonas aeruginosa) with skin involvement Clinical Issues Single or multiple painful lesions in immunocompromised patients Red macule that develops…
Ichthyosis
Ichthyosis Michael W. Peterson, DO Cary Chisholm, MD Clay J. Cockerell, MD Key Facts Terminology Ichthyosis vulgaris (IV) X-linked ichthyosis (XLI) Lamellar ichthyosis (LI) Clinical Issues IV and XLI are…
Darier Disease
Darier Disease Irina Margaritescu, MD, DipRCPath Key Facts Terminology Autosomal dominant genodermatosis characterized by greasy hyperkeratotic papules in seborrheic regions, nail abnormalities, and mucous membrane changes Etiology/Pathogenesis Mutations in gene…
Acute Generalized Exanthematous Pustulosis
Acute Generalized Exanthematous Pustulosis Gretchen Frieling, MD David J. DiCaudo, MD Martin C. Mihm, Jr., MD Key Facts Terminology Sudden onset of numerous, small, nonfollicular pustules superimposed on a pruritic,…
Lupus Erythematosus and Variants
Lupus Erythematosus and Variants Julie E. Jackson, MD Chandra N. Smart, MD Key Facts Terminology Multisystem autoimmune disorder with several variants that can affect skin alone or skin and multiple…
Neutrophilic Eccrine Hidradenitis
Neutrophilic Eccrine Hidradenitis Cary Chisholm, MD Key Facts Etiology/Pathogenesis Usually associated with induction chemotherapy Has been reported in other patients with malignancies, HIV, Behçet disease, and bacterial infections Clinical Issues…
Fox-Fordyce Disease
Fox-Fordyce Disease Michael W. Peterson, DO Cary Chisholm, MD Clay J. Cockerell, MD Key Facts Clinical Issues Age 13-35 years old Gender 90% female Apocrine distribution Primarily axilla, periareolar, and…
