PMC7718158_01
Short guide (four-step algorithm) for the easy identification and definition of pyoderma gangrenosum-associated autoinflammatory syndromes in clinical practice.. This guide is based on a four-step questionnaire about the most frequent symptoms of possible PGAAIS. Beginning with the presence of PG, presence of acne (A), suppurative hidradenitis (SH) and as fourth step, the presence of axial spondylarthritis (S), psoriatic arthritis (PsA), pyogenic arthritis (PA), colitis ulcerosa (C), Crohn's disease (CD) or leukocytoclastic vasculitis (V).
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Because distinguishing individual PGAAIS may be challenging in clinical practice, we have developed a short guide for easy diagnosis [Fig. 3] and demonstrate its use using two case reports of two white females.