Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

“The follicular occlusion triad: (acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp). These diseases comprise a generic group. Though not usually classified together, there is reason to believe that they are…

Histologic Diagnosis of Inflammatory Skin Diseases

Silica granuloma

Silica granuloma Presentation stereotypical Age and sex No predilection Distribution of lesions On exposed sites usually Individual lesions Papules and nodules Course Protracted because the foreign body persists in the skin Findings histopathologic…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.63.1A: Perivascular dermatitis, interface, vacuolar + 10.63.1B: Smudged appearance of the dermoepidermal junction, focally thinned epidermis, and plentiful mucin throughout the dermis = Lupus erythematosus, discoid ┬áThe presence…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

“With the high power the hyaline is seen in very varied forms, which all show the same fuchsin red reaction. The first forms a section by itself; it comprises hyaline balls of different size, which lie free between the epithelial cells, and w…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Id Reactions?

“Tuberculides—Since my suggestion in 1896 a number of apparently very dissimilar dermatoses have been grouped under this heading, whose relations with tuberculosis are proved by the following features. . . . The tuberculides themselves…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Ichthyoses?

“On the basis of clinical, histological, and cellular kinetic observations, a separation of the major ichthyosiform dermatoses into four groups is proposed. Ichthyosis vulgaris patients have dry skin and fine scales on their trunk and extremi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

“An irreversible alopecia of the scalp occurs in negro women who straighten their hair with hot combs. The disease is common and distinctive, clinically and histopathologically. . . . Hot petrolatum used with the comb causes a chronic inflamm…

Clinical Case Studies

Progressive Ascending Telangiectasia

INITIAL PRESENTATION A 49-year-old white female presented with widespread diffuse blue vessels on her lower extremities. The vessels appeared suddenly, 16 years after the birth of her third child. The vessels started on the feet and ankles, and pr…