Diffuse flushing of the nose
Introduction
Introduction Diffuse flushing of the nose is one of the symptoms of rosacea. Rosacea, also known as rosacea acne, rose acne, wine (chapi) nose, rosacea and so on.
Cause
Cause
The cause is not well understood. It may be based on the sebum spillage. Due to the action of various harmful factors in and out of the body, the vasomotor function of the affected part is caused by the long-term expansion of the capillaries. Alcohol, smoking irritating diet, digestive tract dysfunction, endocrine dysfunction (especially menopause), mental factors, focal infections, cardiovascular disorders, intestinal parasites, long-term effects on the skin, such as high temperature work, cold sun Wind blows can induce and aggravate the disease.
Recently, it has been suggested in China that 100% of the causes of rosacea are caused by hair follicle infection. It is recommended to rename the rosacea to "hair follicle dermatitis". Although this argument is still controversial, it needs further confirmation, but we believe that hair follicles are one of the causes of rosacea, and even the only cause in several cases. Because hair follicles are often found in hair follicles that are enlarged in the face, several hairy sacs can be gathered together, especially in the erythema papular or pustular papular lesions. It is easy to find hairy worms in the erythema, or in the country, it is often used in the treatment of rosacea. Dropping has the effect of killing hair follicles.
Examine
an examination
Related inspection
Otolaryngology CT examination external nasal examination
First, histopathology:
Red spot
There is a non-specific inflammatory infiltration around the dermal telangiectasia vessels.
2. Papular pustule
The histopathology of papules is a non-specific chronic inflammatory infiltration often found in clusters of epithelial-like cells in the center of infiltration. The tissue of the pustule is like the accumulation of neutrophils in the hair follicle.
3. Snoring period
The pathological change is that the epidermal hypertrophic sebaceous gland increases and is extremely hypertrophic. Most of the dermis is occupied by sebaceous glands. Connective tissue hypertrophy, hypertrophic telangiectasia and mild inflammatory response.
Second, the disease occurs in the middle of the face with the tip of the nose, the nose is the main, followed by the cheeks and forehead, often symmetrically distributed in middle-aged people, more women, patients with sebum and face is like fat. Lesions manifested as erythema, telangiectasia, and inflammatory follicular papules and pustules, which can be divided into three phases, but there is no obvious limit.
Red spot
Partial skin diffuse flushing or scattered erythema begins to be temporary, and now retreats, and then occurs repeatedly and persists for a long time. Finally, the skin is greasy, and the capillaries and small blood vessels are enlarged, especially the superficial blood vessels of the nose and nose. Obviously, it is dendritic. Sometimes the telangiectasia is more pronounced than the flushing, and sometimes the flushing is more pronounced than the telangiectasia.
2. Papular pustule
The condition continues to develop. On the basis of erythema, a large number of follicular acne-like papules and pustules appear on the basis of erythema, but no acne formation is particularly important at the tip of the nose. At this time, the telangiectasia is more obvious, and there are a few cases in which the criss-crossing is arachnoid. Conjunctivitis, blepharitis.
3. Snoring period
Long-term illnesses due to hypertrophy of the sebaceous glands and connective tissue in the affected area, vasodilatation, resulting in the formation of nodular ridges of varying size, called nasal discharge. The uneven surface of the sebaceous gland is obviously enlarged, and white viscous sebum secretion overflows when squeezed, and the capillaries are significantly expanded.
Diagnosis
Differential diagnosis
Differential diagnosis of diffuse flushing of the nose:
Discoid lupus erythematosus
For the clear red or erythema, the central sag is atrophy. The surface of the hair follicle horn is often covered with adhesive nail-like scaly. The lesion is butterfly-like and more common in young women.
2. Acne vulgaris
Mainly seen in adolescence, the damage is follicular papules, the use of squeezing by hand may have a tendency to discharge sebum often accompanied by acne in addition to facial and external chest and back can also occur.
3. Facial eczema
It is a severe itching for polymorphous skin lesions, and there may be exudation and infiltration after scratching.
Acne
Mainly seen in adolescent skin lesions in addition to invading the face of the chest and back are often violated, the typical blackhead acne is often inviolable.
