Pigmented purpuric lichenoid dermatitis
Introduction
Introduction to pigmented purpuric mossy dermatitis Pigmented purpuric lichenoid dermatitis (Pigmented purpuriclichenoiddermatitis), also known as Gougerot-Blumsyndrome, is similar to the "blood sputum" of Chinese medicine, such as "Ji Zong Jin Jian · Surgical Heart Law" records: "This disease is due to the wind Heat evil occlusion, phlegm, blood dryness caused by heat, shape like purpura, itching, scratches, skin bleeding. basic knowledge The proportion of illness: 0.001% Susceptible people: no special people Mode of infection: non-infectious Complications: pruritus
Cause
Causes of pigmented purpuric mossy dermatitis
Causes:
The cause is unknown and may be related to cholesterol metabolism disorders, abnormal liver function, and capillary fragility changes.
Pathogenesis
The pathogenesis is still unclear and may be related to cholesterol metabolism disorders, abnormal liver function, and capillary fragility changes.
Prevention
Pigmented purpuric mossy dermatitis prevention
Prevent possible incentives and avoid standing for too long. The room should not be too cold and humid, and the temperature should be appropriate.
Complication
Complications of pigmented purpuric lichenoid dermatitis Complications pruritus
Itching, telangiectasia.
Symptom
Pigmented purpuric mossy dermatitis symptoms Common symptoms Pinchy rash stratum corneum excessive thickening scales
Occurs in middle-aged men, the rash begins with a scattered reddish, smooth-faced maculopapular rash, which changes from brown-red to yellow-brown, with mossy changes. The surface has a little scaly and telangiectasia, which generally occurs in the calf. The lower part of the trunk and the upper limbs can also be involved, the symptoms are lacking or slightly itchy, the course of the disease is chronic, and a few can heal themselves.
Examine
Examination of pigmented purpuric mossy dermatitis
Histopathology: roughly the same as progressive purpuric skin disease, moderate lymphocytic infiltration of the upper dermis and hemosiderin deposition, small blood vessel dilation, endothelial cell proliferation.
Diagnosis
Diagnosis and differentiation of pigmented purpuric mossy dermatitis
diagnosis
1. According to clinical manifestations, the characteristics of skin lesions can be diagnosed.
2. Chinese medicine pathogenesis and syndrome differentiation Chinese medicine believes that this disease is due to internal heat, external wind and evil, wind and heat occlusion, caused by the skin; or because the blood does not follow, overflowing the pulse, long-term consumption Injury to the blood, caused by skin dying.
Main card: The rash is caused by small rust-colored mossy papules on the lower extremities. There are purpuric lesions between them, and some are merged into pieces, dry mouth, red tongue and pulse string.
Dialectical: heat damage to the blood, overflowing the pulse.
Differential diagnosis
It needs to be differentiated from progressive pigmented purpuric dermatosis and telangiectasia.
