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 bu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atrophie Blanche?

…livedo vasculitis, those changes being dead, white, atrophic scars. Clinically, lesions of livedo vasculitis are purpuric macules and patches and sometimes hemorrhagic vesicles and bullae. Ulcers are nearly invariable. Later, i.e., in the course of…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…lesions with crusting (Figure 1A). They healed in a week with scars. On examination, the patient had lesions on photo-exposed surfaces with patchy erythema and hemorrhagic crusts. No blisters were noted. The skin over the knuckles and digits appeared…

Histologic Diagnosis of Inflammatory Skin Diseases

Dystrophic epidermolysis bullosa

…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

…of erythematous papules, pustules, ulcers, and hyperpigmented scars (Figures 1A-E). She had a history of rheumatoid arthritis. Figures 1A-E. Clinical appearance of the widespread eruption of erythematous papules, pustules, ulcers, and hyperpigment…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…rstices between collagen bundles = Scar, early ¬†As lesions of scars and keloids evolve, fibrocytes not only manufacture collagen, but mucin, seen as granular basophilic material in a section stained by hematoxylin and eosin. 10.96.3A: Fibrosing…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

…distinction must be made between scarring in general and true scars, so, too, differences must be recognized between keloidal collagen and true keloids. Keloids represent one specific type of fibrosing inflammation that, early in its course, consists…

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…