Skin diseases A-Z Skin diseases L – O Skin diseases P – R Pseudoacanthosis Nigricans January 30, 2025 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms The main symptoms of pseudoacanthosis nigricans include: Darkening and thickening of the skin in body folds. A velvety texture of the affected skin. Itching or an irritating feeling may sometimes occur. These symptoms develop gradually and can be cosmetically displeasing but are usually not painful. Causes Pseudoacanthosis nigricans is often associated with insulin resistance […] Read more » Acanthosis nigricans Black skin spots Causes of hyperpigmentation Condition of the skin folds Dark skin patches Hyperpigmentation Increased skin thickening Pseudoacanthosis nigricans Pseudoacanthosis nigricans treatment Rare skin condition Skin condition Skin condition in folds Skin disease Skin pigmentation change Thickened skin Thickened skin in folds
Skin diseases A-Z Skin diseases H – K Progressive Macular Hypomelanosis January 30, 2025 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms The main symptoms of PMH include: Small, light-colored spots on the skin, generally a few millimeters to several centimeters in size. The spots typically appear on the arms, legs, and trunk. These spots tend to slowly expand and can increase in number over time. There is usually no itching or pain associated with the […] Read more » genetic skin disorder hypomelanosis macularis progressiva Increased skin pigmentation Light skin patches Loss of skin pigment Macular hypomelanosis Pigment loss Progressive pigment change Progressive skin condition Rare pigmentation disorder Rare skin condition Skin abnormality Skin changes skin discoloration Skin discoloration treatment Skin pigmentation Symmetrical skin discoloration
Skin diseases A – C Skin diseases A-Z Angiokeratoma December 3, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Small, dark red to purple bumps on the skin, often with a rough or scaly texture Commonly appears on various body parts, such as the legs, genitals, and torso Usually painless, but may sometimes itch or bleed when irritated Can occur in clusters or be scattered across the skin Some forms, such as in […] Read more » Angiokeratoma Angiokeratoma of the skin Angiokeratoma treatment Benign skin condition Enlarged blood vessels in skin Purple skin spots Rare skin condition Red skin spots Skin changes Skin lesions skin nodules Skin pigmentation change Skin thickening Skin tumor Skin warts
Skin diseases P – R Pityriasis Rubra Pilaris May 17, 2024 / August 12, 2026 by Dick van Gerwen | Leave a Comment Symptoms Pityriasis Rubra Pilaris (PRP) is characterized by red, scaly patches and thickening around hair follicles. These patches can spread and eventually cover large parts of the body, potentially leading to a phenomenon known as erythroderma. Itching and discomfort are common symptoms, but their severity can vary. Causes The exact cause of PRP is unknown, […] Read more » Chronic skin disease Keratinization disorder Pityriasis rubra pilaris Pityriasis rubra pilaris treatment PRP skin disease Rare skin condition Red patches on skin Scaly Skin Skin inflammation Thickened skin