Histologic Diagnosis of Inflammatory Skin Diseases

Ecthyma gangrenosum

Ecthyma gangrenosum Presentation stereotypical Age and sex Any age, both sexes; usually in chronically or terminally ill patients or those vulnerable to Pseudomonas septicemia Distribution of lesions Anogenital and axillary regions especially Shape…

A Clinical Atlas of 101 Common Skin Diseases

Septic Vasculitis

A small-vessel vasculitis characterized clinically by vesiculopustules on an erythematous base, purpuric macules and papules, and hemorrhagic bullae, and histopathologically by thrombi within venules, a consequence of sepsis….

Histologic Diagnosis of Inflammatory Skin Diseases

Septic vasculitis

…h in others, e.g., staphylococcal and Pseudomonas septicemia (ecthyma gangrenosum). Variations clinical Chronic gonococcemia (disseminated gonococcal infection) is characterized by fever; migratory arthralgia that favors the knees, wrists, and ankl…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…venous insufficiency (e.g., stasis ulcer), vasculitis (e.g., ecthyma gangrenosum in pseudomonas septicemia), chronic infection (e.g., leishmaniasis), and neoplasms (e.g., basal-cell carcinoma). Ulcers can be factitious, i.e., self-induced by caustic…

Histologic Diagnosis of Inflammatory Skin Diseases

Farmyard pox

…r’s nodule (Udder pox, Pseudocowpox, Paravaccinia) Orf (Ecthyma contagiosum, bovine pustular stomatitis, contagious pustular dermatitis, sheep pox, infectious labial dermatitis) Farmyard pox may pass through different stages clinical as follow…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Vasculitis?

…neutrophils, a diagnosis, e.g., Finkelstein’s disease, ecthyma gangrenosum, or atrophie blanche, can be made clinically before a biopsy specimen has been obtained. That clinical judgment can be confirmed by study of findings in sections of tis…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…lumen of venules and countless bacteria in the interstitium = Ecthyma gangrenosum ¬†Unlike septic vasculitides that are typified by transient episodes that recur over a period of months or years, as occurs in chronic gonococcemia and chronic meningoco…

Histologic Diagnosis of Inflammatory Skin Diseases

Pyoderma gangrenosum

…-39. Brunsting LA, Goeckerman WH, O”Leary PA. Pyoderma (ecthyma) gangrenosum. Clinical and experimental observations in five cases occurring in adults. Arch Dermatol 1930;22:655-80. Hughes AP, Jackson JM, Callen JP. Clinical features and treatm…