STRIAA (Severity TRichoscopy Index Alopecia Areata): Validation of a Novel Trichoscopic Tool for Evaluation of Alopecia Areata.

Introduction: Alopecia areata (AA) is a non-scarring autoimmune disease characterized by patchy hair loss. The aim of this study was to validate a novel trichoscopic scoring tool, the Severity TRichoscopy Index for Alopecia Areata (STRIAA), for rapid assessment of AA severity.

Methods: Anonymized images from 340 patients were scored by two independent raters who analyzed four scalp areas (vertex, occipital, and left and right parietal) for trichoscopic signs: black dots, yellow dots, exclamation mark hairs, broken hairs, and short vellus hairs.

Pyoderma Gangrenosum: A Retrospective Case Series of 44 Patients.

Introduction: Pyoderma gangrenosum (PG) poses a significant dermatological challenge due to its rapidly evolving painful necrotic ulcerations. Understanding its multifaceted pathogenesis and diverse clinical presentation is crucial for effective management.

Objectives: We aimed to analyze demographic characteristics, clinical manifestations, lesion distributions, systemic disease associations, therapeutic interventions, and patient outcomes in PG cases.