What is PPD Dermatology?
What is PPD Dermatology?
Pigmented purpuric dermatosis (PPD) is the term used to describe a collection of subtypes of generally benign, chronic, purpuric skin eruptions characterized by red to purple macules, patches, and petechiae.
What is Schamberg’s purpura?
Schamberg purpura is the result of leakage of blood from small capillaries in the superficial papillary dermis. The resultant purpura is nonblanching but is not palpable. No pronounced damage occurs to the blood vessel walls, differentiating this condition from vasculitis.
How common is Capillaritis?
Who gets capillaritis? Capillaritis can affect anyone, but is uncommon in children. It usually affects otherwise healthy people. Occasionally capillaritis arises as a reaction to a medication; many different drugs have been occasionally associated with capillaritis including meprobamate, carbamazepine and carbromal.
How does pigmented purpuric dermatosis cause skin itching?
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.
What kind of disease is progressive pigmented purpura?
Progressive pigmented purpura (PPP) is an uncommon disease. There are several variants, including Majocchi purpura, Schamberg purpura, eczematoid purpura (Doucas-Kapetanakis purpura), lichenoid purpura (Gougerot-Blum purpura), and lichen aureus. The pathogenesis of PPP is poorly understood.
What causes purpura in the dermal connective tissue?
Steroid purpura, which is due to prolonged use of topical or systemic steroids, can occur in any location ( Chapter 34 ). Both conditions are caused by changes in the dermal connective tissue surrounding blood vessels.
How are purpuric dermatoses different from erythema and telangiectasia?
(Dermik Laboratories, Inc.) Purpuric lesions are caused by an extravasation of red blood cells into the skin or mucous membranes. The lesions can be distinguished from erythema and telangiectasia by the fact that purpuric lesions do not blanch under pressure applied by the finger or by diascopy. Petechiae are small, superficial purpuric lesions.
What is the prognosis of pigmented purpuric dermatoses?
Pigmented purpuric dermatosis prognosis. Pigmented purpuric dermatosis is often chronic with a relapsing and remitting course. Most eventually resolve spontaneously 42). Typically, pigmented purpuric dermatosis is asymptomatic, but itch may sometimes be a prominent feature in some cases, especially in patients with itching purpura or eczematidlike purpura of Doucas and Kapetanakis.
Is pigmented purpuric dermatosis contagious?
Brief Answer: it is not contagious. Detailed Answer: Hello. Welcome to Healthcare Magic. Pigmented purpuric dermatoses is a common term used to describe a group of chronic skin disorder.The exact cause and pathophysiology are unknown but it seems to be a condition that affect the small blood vessels (capillaries ) in skin.
What are pigmented purpuric dermatoses?
The cause of pigmented purpuric dermatoses is unknown. Rare familial cases of Schamberg disease and Majocchi disease have been reported in the literature, implying a genetic cause in a minority of patients. Pigmented purpuric dermatoses are common.
What is a purpuric rash?
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.