A Clinical Atlas of 101 Common Skin Diseases

Stasis Changes and Venous Ulcers

Alterations in the skin and subcutaneous fat, such as pigmentation and induration, secondary to the effects of long-term stasis, and ulcers that occur on the lower part of the legs as a consequence of the effects, combined, of incompetent valves of…

Therapeutic Strategies in Dermatology

Warts: Treatment

Treatment First-line therapy: The first-line therapy for warts involves destructive methods tailored to the type of wart. Destruction of wart lesions may be accomplished using cryosurgical or electrosurgical techniques, chemical destruction either…

Histologic Diagnosis of Inflammatory Skin Diseases

Scar

…following dermabrasion Punctate, as in “ice-pick” scars of acne vulgaris Individual lesions Papules, plaques, nodules, and atrophic macules and patches Variations clinical Hypertrophic scar Atrophic scar Hypertrophic scars, such as b…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atrophie Blanche?

…ly condition in the skin to be typified by pure white atrophic scars. “Porcelain white” scars are met with in Degos’ disease and white atrophic scars sometimes mark the grave of pyoderma gangrenosum. “Thus, a vasculitis in th…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

The patient A 44-year-old man presented to the clinic with complaints of “sun allergy” following a weekend of photo-exposure without use of any sunscreens. He said that the lesions started as blisters, became reddish and progressed to h…

Histologic Diagnosis of Inflammatory Skin Diseases

Dystrophic epidermolysis bullosa

…s clinical) Individual lesions Vesicles, bullae, erosions, and scars Course Individual lesions heal in weeks with scars, but the process lasts a lifetime. Variations clinical The most common variants clinical are the following: Dominant dystrophic e…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg

The patient A 61-year-old woman presented herself with a chronic and widespread eruption of erythematous papules, pustules, ulcers, and hyperpigmented scars (Figures 1A-E). She had a history of rheumatoid arthritis. Figures 1A-E. Clinical appeara…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ce = Scar, fully developed ┬áPlump fibrocytes are components of scars at a relatively early stage in the course of them, whereas thin fibrocytes are constituents of scars at a much later stage. The fibrocytes pictured here are intermediate between plu…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

…lin-1 and elastin are differentially expressed in hypertrophic scars and keloids. Wound Repair Regen 2004;12(2):169-74. Amadeu T, Braune A, Mandarim-de-Lacerda C, et al. Vascularization pattern in hypertrophic scars and keloids: a stereological analy…

Differential Diagnosis in Dermatopathology

Keloid vs. Hypertrophic scar

Alterations in the skin and subcutaneous fat, such as pigmentation and induration, secondary to the effects of long-term stasis, and ulcers that occur on the lower part of the legs as a consequence of the effects, combined, of incompetent valves of…