skin lesions – MySymptom

Keratosis: Causes, Types, Symptoms, and Treatment Options

1. Introduction Keratosis represents a broad category of skin conditions characterized by the abnormal localized growth and thickening of keratin on the epidermal surface. Keratin is a tough, fibrous structural protein that forms the outer layer of human skin, hair, and nails, providing essential protection against environmental damage and moisture loss. When the biological mechanisms … Read more

Granuloma Annulare: Causes, Clinical Presentation, and Treatment Options

1. Introduction Granuloma annulare is a benign, chronic inflammatory skin condition characterized by the presence of smooth, discolored papules that frequently coalesce to form distinct ring-shaped lesions. This dermatological disorder arises from a delayed hypersensitivity reaction within the dermal layer of the skin, leading to the localized degradation of collagen and the accumulation of inflammatory … Read more