Atopic Dermatitis (Eczema) (Atopic Eczema; Infantile Eczema; Neurodermatitis; Endogenous Eczema) By Thomas M Ruenger, MD, PhD, Georg-August University of Göttingen, Germany Reviewed / Revised Jan 2023 View Patient Education Etiology Pathophysiology Symptoms and Signs Diagnosis Treatment Prognosis Key Points More Information Topic Resources Atopic Dermatitis (Popliteal... Atopic Dermatitis (Acute) Atopic Dermatitis (Chronic) Skin Lesion (Lichenification) Acute Atopic Dermatitis with... Eczema Herpeticum Diagnostic Clinical Features... Atopic dermatitis is a chronic relapsing inflammatory skin disorder with a complex pathogenesis involving genetic susceptibility, immunologic and epidermal barrier dysfunction, and environmental factors.