What causes Purpuric dermatitis?
The cause of pigmented purpuric dermatosis is unknown. Occasionally, it occurs as a reaction to a medication, food additive, viral infection or following exercise. In rare cases, there appears to be a genetic component.
What is Purpuric dermatitis?
The pigmented purpuric dermatoses (PPDs), also known as capillaritis, purpura simplex, and inflammatory purpura without vasculitis, are a group of chronic, benign, cutaneous eruptions characterized by the presence of petechiae, purpura, and increased skin pigmentation.
How do you get rid of pigmented purpuric dermatosis?
No medical intervention is of consistent benefit for the treatment of the pigmented purpuric dermatoses. Pruritus may be alleviated by the use of topical corticosteroids and antihistamines. Associated venous stasis should be treated by compression hosiery. Prolonged leg dependency should be avoided.
How long does pigmented purpuric dermatosis last?
Onset is rapid (15–30 days) and the lesions can last for months or years. Lichenoid pigmented purpuric dermatosis of Gougerot and Blum is characterized by violaceous lichenoid papules that tend to merge, forming large plaques that are usually located on the legs but may affect the trunk.
Is purpura a rash?
Purpura just means purple. The term purpura is usually used to refer to a skin rash in which small spots of blood appear on the skin. A purpuric rash is not a disease but it is caused by conditions that result in blood leaking into the skin and other body surfaces.
How do you describe purpura?
Purpura is purple-colored spots and patches that occur on the skin, and in mucus membranes, including the lining of the mouth.
What does purpura rash look like?
What are the symptoms of purpura? The rash looks like little red spots on the skin. It’s easy to recognise because – unlike other spotty rashes – the spots don’t fade when you press them. The best way to do this is with a drinking glass or other see-through object like a plastic ruler.
Does lichen aureus go away?
Lichen aureus (LA) is a chronic, persistent pigmented purpuric dermatitis (PPPD) characterized clinically by infiltrated localized golden brown lesions and histopathologically by a lichenoid lymphocytic infiltrate. The lesions are stable, are usually symptomless, and may persist for years.
What causes lichen aureus?
Lichen aureus is an uncommon variant of pigmented purpuric dermatitis, which is usually localized and persistent. Its aetiology is unknown, but drugs are thought to be one of its causes (1).
What is ashy dermatosis?
Ashy dermatosis is a chronic condition characterized by asymptomatic, slate-gray or violaceous hyperpigmented macules distributed most commonly over the trunk and proximal extremities, and less frequently over the face and neck.
Can purpura be caused by stress?
Psychogenic purpura (also referred to as Gardner-Diamond syndrome, autoerythrocyte sensitization, or painful bruising syndrome) is a rare and poorly understood clinical presentation in which patients develop unexplained painful bruises, mostly on the extremities and/or face, during times of stress.
What is the most common cause of purpura?
There are three main causes of purpura: Disorders of platelets, disorders of coagulation and vasculitis. These are not mutually exclusive, he explains, because if platelets and the factors involved in coagulation have been destroyed or incapacitated, coagulation is disrupted.
What is perivascular lymphocytic dermatitis?
Perivascular lymphocytic dermatitis is an inflammation in the skin which has been infiltrated by lymphocytes, a type of white blood cells. There isn’t much difference between perivascular dermatitis and other types of dermatitis really; it’s just that this one occurs near the blood vessels, caused by irritation to the skin or allergens.
What is purpura simplex (PS)?
Purpura simplex (PS) is a chronic condition manifesting as purpura, dermatitis and pigmentation. Histologically it is characterised by extravasation of erythrocytes and perivascular inflammation without fibrinoid necrosis. Most cases of PS are idiopathic.
Can purpura simplex be drug induced?
Purpura simplex (PS) is a chronic condition manifesting as purpura, dermatitis and pigmentation. Histologically it is characterised by extravasation of erythrocytes and perivascular inflammation without fibrinoid necrosis. Most cases of PS are idiopathic. In order to determine if PS can be drug indu …
What is purpuric dermatosis of the skin?
Summary Summary. Pigmented purpuric dermatosis is a chronic condition characterized by reddish-brown skin lesions caused by leaky capillaries. Although they can arise on any part of the body, they are most commonly located on the lower legs. In some cases, the skin lesions cause severe itching.