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Netherton Syndrome: A Comprehensive Literature Review of Pathogenesis, Clinical Manifestations, and Therapeutic Strategies

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Sep 02, 2025

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Figure 1.

Pathogenesis of NS.
LEKTI: lympho-epithelial Kazal-type-related inhibitor, KLK: kallikrein-related peptidases; TSLP: thymic stromal lymphopoietin; ELA2: elastase 2.
Pathogenesis of NS. LEKTI: lympho-epithelial Kazal-type-related inhibitor, KLK: kallikrein-related peptidases; TSLP: thymic stromal lymphopoietin; ELA2: elastase 2.

Figure 2.

Diagnosis of Netherton syndrome.
Diagnosis of Netherton syndrome.

Differential diagnosis of Netherton syndrome_

Category Representative Conditions Overlapping Features with NS Distinguishing Features
Inflammatory Dermatoses Atopic dermatitis, deborrheic dermatitis, acrodermatitis enteropathica Erythema, pruritus, eczematous or scaling lesions, onset in infancy No trichorrhexis invaginata; transient course; response to topical therapy or zinc
Congenital Ichthyoses ARCI, Ichthyosis vulgaris Generalised scaling, skin barrier dysfunction Absence of atopy and bamboo hair
Primary Immunodeficiency Disorders (PIDDs) Hyper-IgE syndrome, (STAT3/DOCK8 deficicency); IPEX, Omenn, or Wiskott-Aldrich syndrome Elevated IgE, eosinophilia, recurrent infections, eczema-like dermatitis No LEKTI deficiency; systemic autoimmunity; hematologic anomalies (thrombocytopenia)