Rheumatoid arthritis is a chronic inflammatory arthritis with significant extra-articular
manifestations. Of note are unique cutaneous manifestations that the dermatologist may …

Classic PNGD consists of symmetric erythematous papules on the extremities and histology
that includes neutrophilic inflammation with possible frank vasculitis, cellular debris, altered …

There are a number of systemic disorders that can manifest with urticarial skin lesions,
including urticarial vasculitis, connective tissue diseases, hematologic diseases, and …

Background Interstitial granulomatous dermatitis (IGD) is a rare disease for which a clinical–
pathological correlation is essential to establish diagnosis. Objectives To describe the …

Non-infectious granulomatous diseases of the skin are a broad group of distinct reactive
inflammatory conditions that share important similarities. As a group, they are relatively …

Cutaneous granulomatosis is a heterogeneous group of diseases, characterized by a skin
inflammatory reaction triggered by a wide variety of stimuli, including infections, foreign …

Background Confusion exists regarding interstitial granulomatous dermatitis (IGD) and
palisaded neutrophilic and granulomatous dermatitis (PNGD). Objective To determine …

Background: Interstitial granulomatous dermatitis (IGD) and palisaded neutrophilic
granulomatous dermatitis (PNGD) are uncommon presentations of reactive granulomatous …

Skin changes related to malabsorption, deficiency of the vitamins A, B, C and D are
described. Deficiency of vitamin C (scurvy) and of niacin (pellagra) are described in detail …

Objective: To understand if there are features allowing clear-cut distinction between IGD and
PNGD. Material and Methods: Retrospective analysis of 10 cases previously diagnosed as …