Differential Diagnosis in Dermatopathology

Discussions

…enlargement of a nose results from tremendous hyperplasia of sebaceous lobules and formation of many infundibular cysts that rupture, thereby sending contents of infundibula into the dermis and inducing suppurative granulomatous inflammation that cu…

Differential Diagnosis in Dermatopathology

Papular mucinosis vs Interstitial granuloma annulare

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

Differential Diagnosis in Dermatopathology

Discussions

…tion, deposits of mucin are less abundant and histiocytes per unit area of dermis are fewer. Not uncommonly, both patterns are encountered together in the same section of tissue. Those patterns are not reflected in differences in appearance clinical….

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…gmented papules in dark-skinned persons Involvement of a nail unit with eventual dystrophy of the nail plate Differential diagnosis clinical Linear lichen planus is purple, and individual papules are topped by white streaks arranged in a reticulate…

Histologic Diagnosis of Inflammatory Skin Diseases

Instructions for Authors

…n stands should precede its first use unless it is a standard unit of measure. Refer to drugs and therapeutic agents by their accepted generic or chemical names, and do not abbreviate the name. Use code numbers only when a generic name is not yet ava…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

…duce lesions other than psoriasiform ones, e.g., vesicular or infundibulofollicular (Majocchi’s granuloma), vegetating plaque, nodules, and tumors (kerion). Seborrheic dermatitis is characterized by serum in conjunction with mounds of parakerat…

Dermatology Practical & Conceptual

Diagnosis of ophthalmomyiasis externa by dermatoscopy

…, Rhinoestrus purpureus, which are found in sheep farming communities. Often the victims have the sensation of being struck by a foreign body or insect. Soon thereafter a painful inflammation develops, causing an acute catarrhal conjunctivitis [1,2]….