Differential Diagnosis in Dermatopathology

Differential Diagnosis

Papular mucinosis Interstitial granuloma annulare 1. No loci of histiocytes in strikingly palisaded array 1. Loci of histiocytes sometimes in palisaded, as well as in interstitial, array 2. Mucin deposited either focally or diffusely 2. Mucin…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

“The occurrence of a clinical syndrome of severe asthma, fever, and hypereosinophilia, together with symptoms of vascular embarrassment in various organ systems, has been established. . . . The basic anatomical changes . . . consisted of wide…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

Granuloma annulare Presentation stereotypical Age and sex Any age in both sexes Distribution of lesions Localized, often to extensor aspects of extremities, or widespread Configuration of lesions Annular, sometimes arcuate Arrangement of lesions Sca…