Lichen simplex

Lichen Simplex Chronicus (LSC) is a chronic dermatological condition characterized by localized areas of thickened, hyperpigmented skin, often induced by a cycle of itching and scratching. Understanding its multifaceted aetiology, prevalence, and demographic distribution is crucial for effective diagnosis and management. The table below provides a detailed, at-a-glance overview covering key clinical aspects of LSC, ranging from its definition to its prevalence, aetiology, and demographics. This comprehensive table serves as an educational resource for primary care clinicians and medical students alike, aiming to aid in the accurate diagnosis and patient management of LSC.

Attributes	Clinical Information and Relevance	Source
📜 Definition	Chronic cutaneous disorder characterized by well-circumscribed, erythematous, hyperpigmented patches/plaques of thickened skin. Habitual scratching or rubbing is commonly observed.
🎯 Common Sites	Neck, ankles, scalp, pubis, vulva, scrotum, extensor forearms
🧬 Etiology	◘ Higher likelihood of developing the condition in those with atopic dermatitis ◘ Triggers include insect bites ( e,g traumatic post hepetic-zoster ) , acne keloidalis nuchae , venous insufficiency , asteotic eczema ◘ Psychological factors , often associated with neurodermatitis ( psychological factors & stress can contribute ) ◘ ↑↑ prevalence in those with underlying anxiety and OCD ◘ Itch - scratch cycle- due to chronic...

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