Histologic Diagnosis of Inflammatory Skin Diseases

Atheroemboli

Atheroemboli Presentation stereotypical Age and sex Elderly persons, especially those with atherosclerosis Distribution of lesions Localized to lower extremities Individual lesions Purpuric macules, including splinter hemorrhages, livedo reticularis…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema annulare centrifugum

…of lupus erythematosus and dermatomyositis, and the deficiency diseases, acrodermatitis enteropathica, necrolytic migratory erythema, pellagra, kwashiorkor, Hartnup’s disease, and maple syrup disease, to mention but a few examples of diseases t…

Differential Diagnosis in Dermatopathology

Discussions

Pruritic urticarial papules and plaques of pregnancy (PUPPP) and a superficial response to an assault by an arthropod are inflammatory diseases that share many features clinical and findings histopathologic. When viewed through a conventional micros…

Differential Diagnosis in Dermatopathology

Discussions

…fatal; morphea never is. Scleredema (known also as scleredema adultorum of Buschke) affects young adults. About 50 percent of patients present themselves to a physician at an age younger than 20 years. There is no predilection for sex. The changes a…

Differential Diagnosis in Dermatopathology

Nevus verrucosus vs. Acanthosis nigricans

A condition of persons of any age, but particularly children with a genetic proclivity for allergic rhinitis and conjunctivitis, and allergic asthma. Intense pruritus induces patients to rub the skin intensely and to scratch furiously, the resultant…

Histologic Diagnosis of Inflammatory Skin Diseases

Lupus erythematosus

…tumidus. Because the precise nosologic status of Degos’ disease and pernio still is in debate, those two conditions are being treated separately at the very end of this subchapter. Correlation clinicopathologic A “butterfly blush,”…

Dermatology Practical & Conceptual

Widespread pruritic papules on the trunk and extremities

The patient A 42-year-old Caucasian man presented with a 15-year history of a widespread, persistent, pruritic eruption over his trunk and extremities. He was not on medication and had no relevant family history. On physical examination, multiple di…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…ous epidermal nevus is included here as an “inflammatory disease,” even though it truly is a hamartoma, the reason for that liberty being taken because clinically, and histopathologically, it resembles an inflammatory disease, as the firs…

Histologic Diagnosis of Inflammatory Skin Diseases

Acquired epidermolysis bullosa

…idermolysis bullosa acquisita. In: Jordon RE. Atlas of Bullous Disease. New York: Churchill Livingstone, 2000;125–38. Wise F, Lautman MF. Epidermolysis bullosa beginning in adult life. The acquired form of the disease, with report of a case and revie…

Histologic Diagnosis of Inflammatory Skin Diseases

Eosinophilic folliculitis

…Infants of both sexes, restricted usually to the scalp; young adults, especially males, infected by HIV (eosinophilic pustular folliculitis of HIV), and some Japanese and Caucasians with no infection by HIV (Ofuji’s disease) Distribution of le…