
Skin Lesions - Osmosis
Mar 4, 2025 · Skin lesions can be divided into two main types: primary and secondary. Primary skin lesions originate on previously healthy skin and are directly associated with a specific cause. …
Lichenification: What Is It, Causes, Diagnosis, Treatment, and More ...
Nov 20, 2025 · Lichenification is a secondary skin lesion that’s characterized by hyperpigmentation, thickening of the skin, and exaggerated skin lines. It usually appears in areas of constant scratching …
Integumentary system: Skin lesions - Osmosis
Skin lesions can include any abnormal area of the skin, so there are several terms to describe them. Let’s start with macules, which are flat lesions with a clear border up to 1 centimeter in diameter; …
Eczema Herpeticum: What Is It, Causes, Diagnosis, and More | Osmosis
Sep 24, 2025 · Other viruses and bacteria can cause similar-appearing skin lesions, so careful examination and proper diagnostic testing of the individual is necessary to obtain an accurate …
COVID Rash: What Is It, Signs, Symptoms, Treatment, and More | Osmosis
Sep 10, 2025 · COVID rash is a general term to describe the skin manifestations associated with COVID-19 infection. COVID-19, or coronavirus disease Learn with Osmosis
Precancerous Skin - Osmosis
Mar 4, 2025 · Precancerous skin can be considered a cancer warning sign, as it may naturally progress into squamous or basal cell carcinoma, which are two types of skin cancer that differ in prevalence …
Lichen Simplex: What Is It, Causes, Treatment, and More | Osmosis
Oct 17, 2025 · Lichen simplex, also known as lichen simplex chronicus, is characterized by thickened and localized skin lesions that result from scratching in response to chronic itching.
Pustule: What Is It, Causes, Diagnosis, Treatment, and More | Osmosis
Feb 4, 2025 · What does a pustule look like? Pustules are small lesions on the skin filled with pus. They are easily identified upon physical examination as red bumps with white or yellowish centers. If …
Benign skin lesions: Video & Meaning | Osmosis
Benign skin lesions are classified by their cellular origin and include melanocytic, subcutaneous, keratinocytic, vascular, and fibrous. Here’s a clinical pearl! Benign skin lesions are often diagnosed …
Approach to skin and soft tissue lesions: Clinical sciences
Skin and soft tissue lesions are dermatological abnormalities that look different from the surrounding skin in terms of color, size, or texture. Most skin and soft tissue lesions are benign. However, some …