Histologic Diagnosis of Inflammatory Skin Diseases

Precepts Adjunctive to the Algorithmic Method

…a drug eruption. Other neoplastic simulators of inflammatory diseases are lymphomatoid papulosis, adult T-cell lymphoma/leukemia, some B-cell and T-cell lymphomas situated entirely in the dermis and/or subcutaneous fat, and leukemias, especially the…

Histologic Diagnosis of Inflammatory Skin Diseases

Gas gangrene

…al myonecrosis Presentation stereotypical Age and sex Usually adults of both sexes Distribution of lesions Localized to sites of deep wounds Individual lesions Dusky erythematous plaques and hemorrhagic bullae through which bubbles of gas percolate,…

Erythema in Rosacea

Erythema in Rosacea

…nergic receptor agonist with vasoconstrictive properties with onset of action as quickly as 30 minutes, peak efficacy at 4-6 hours, and duration of effect for 12 hours.  In initial studies it was well tolerated and did not exhibit evidence of tachyph…

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular vasculitis

…ariations clinical Erythema induratum of Bazin (Bazin’s disease, Erythema induratum des Scrofuleux) is reputed to be nodular vasculitis of tuberculous cause Differential diagnosis clinical Erythema nodosum has lesions that do not ulcerate and…

Differential Diagnosis in Dermatopathology

Discussions

…wholly dissimilar conditions being so similar. Moreover, both diseases are associated with alterations of collagen in the dermis. The important considerations for differentiation of the two processes are reflections of their basic nature: Scleroderma…

Differential Diagnosis in Dermatopathology

Discussions

…icial response to an assault by an arthropod are inflammatory diseases that share many features clinical and findings histopathologic. When viewed through a conventional microscope, both conditions may exhibit superficial or superficial and mid-derma…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema annulare centrifugum

…s Presentation stereotypical Age and sex Middle-aged or older adults of both sexes; children sometimes Distribution of lesions Any part of the skin; the most common sites being the buttocks, thighs, and upper part of the arms Configuration of lesions…