Civatte's poikiloderma is a variation of telangiectasia, commonly occurring on the neck and upper chest, mainly due to cumulative exposure to ultraviolet radiation and combined photosensitivity to var
As one of the most common vascular diseases, the main cause of its onset is increased pressure within the venous lumen, leading to dilatation and tortuosity of the vein wall due to decreased elasticity.
Venous lake can occur at any age but is more common in middle-aged and elderly individuals on exposed areas of the skin and mucous membranes, such as the head, neck, and lips. The lesions appear as de
Erythematous acne essentially refers to dysregulation of skin blood vessels. Generally, it is considered not as a disease but as a constitutional type manifested by many people, characterized by capil
Progressive capillary hemangioma is a vascular disease characterized by proliferation of endothelial cells within dilated capillaries. The etiology is unclear, first reported by Hutchinson in 1889. It
Venous malformations refer to congenital and acquired venous diseases involving large-caliber veins, excluding port-wine stains (microvenous malformations).