Papulopustular Subtype

Papulopustular Subtype

Characterized by papules and pustules often on a blush of erythema primarily affecting the nose, cheeks, and forehead.  Predilection of lesions on the central aspect of the face, sometimes with central facial edema.  Associated with flushing. This…

Patient Handouts

Patient Handouts

Educate your patients with our downloadable patient handouts  Choosing A Sunscreen (31 KB)  How to use Topical Retinoid Medications (30 KB)  Skin & Hair Care for Acne Patients (30 KB)  Skin Care after Treatment of Actinic Keratosis (95 KB)  Sk…

Histologic Diagnosis of Inflammatory Skin Diseases

Seborrheic dermatitis

Seborrheic dermatitis Synonyms Seborrhoeic dermatitis Seborrheic eczema Unna disease Presentation stereotypical Age and sex Young adults especially and males in particular Distribution of lesions Face, scalp, retroauricular area, and V region of the…

Histologic Diagnosis of Inflammatory Skin Diseases

Fox-Fordyce disease

Fox-Fordyce disease Synonyms Apocrine miliaria Presentation stereotypical Age and sex Postpubertal women mostly Distribution of lesions Sites where apocrine glands are numerous, i.e., axillae, periumbilical, pubic, and areolae Arrangement of lesions…

Phymatous Subtype

Phymatous Subtype

Marked by thickening of the skin, irregular skin texture, edema, hypertrophy and hyperplasia of sebaceous glands, connective tissue, and vascular bed of the nose (rhinophyma).  These changes can also be seen on the chin (gnathophyma), ears (otophyma…

Clinical Manifestations

Clinical Manifestations

For more clinical images of Rosacea, please see A Clinical Atlas of 101 Common Skin Diseases on Derm101.com….

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Acne vulgaris, erythematous papule Rosacea, erythematous papule 1. Only one follicle involved usually in a 4 mm biopsy specimen 1. Nearly all follicles involved usually in a 4 mm biopsy specimen 2. Suppurative infundibulitis prominent 2. Suppu…