Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable telangiectases…

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…

What is Rosacea?

What is Rosacea?

Rosacea is a common inflammatory facial skin disorder classically marked by flushing, facial erythema, inflammatory papules and pustules, and telangiectasias. It typically presents in adults, with prevalence reported as 1 to greater than 20%, with a…

Differential Diagnosis in Dermatopathology

Discussions

…ated venules. How those changes are related to the papular and rhinophymatous expressions of rosacea is not known. In rhinophyma, the most dramatic presentation of rosacea, bulbous enlargement of a nose results from tremendous hyperplasia of sebaceou…