Mucosal rash

Introduction The rash is reddish at the beginning of the rash, gradually dark red or bronze, no pain, no itching, rash size, number, symmetrical distribution, isolated and scattered, mostly in the chest, abdomen, torso side and back, but Faces rarely occur. Patients with weak and malnourished can develop syphilitic pustules, often accompanied by high fever and systemic symptoms. Most patients have a hard squat, single-shot, painless, itchy, round or oval, clear-edged ulcers, higher than the leather surface, the sore surface is cleaner, and there are more secretions from secondary infections.

Cause

Infected with syphilis.

an examination

Related inspection

Blood test immunological test

Clinical manifestations and serological tests can be diagnosed.

Differential diagnosis

All types of rash of syphilis should be distinguished from pityriasis rosea, erythema multiforme, tinea versicolor, psoriasis, and body lice.

Pityriasis rosea (Pityriasis rosea) is a common inflammatory skin disease, which occurs in the trunk and the proximal extremities of different sizes. The number of rosy patches is variegated, with sugary scales on it and consciously itching. Self-limiting, generally lasting 6 to 8 weeks and self-healing. This disease is similar to the "wind sputum" recorded in the medical literature of the motherland.

Pityriasis versicolor: generally has no symptoms, but it may be itchy when it is labor, sun or sweaty. There are more men, and winter is hidden in summer. The rash occurs in areas with sebaceous glands, such as the trunk, neck, upper arms, abdomen, and face, and can also affect the buttocks, armpits, and groin. The skin lesions are miliary, soy, and broad round or round-like rashes to broad beans, which are highly reflective and have extremely thin scaly scales. In most patients, the skin lesions are diffuse and symmetrical, and the macula and the skin are leveled or raised, and the boundary is clear.

Psoriasis: Psoriasis, commonly known as "psoriasis", is a common chronic inflammatory skin disease that is prone to recurrence. The characteristic lesion is red papules or plaques covered with multiple layers of silvery white scales. The incidence of young adults is the highest, males are more likely than females, and the north is more than the south. It is prone to increase or aggravate in spring and winter, and more relieved in summer and autumn. The etiology and pathogenesis are not completely clear. The study found that the pathogenesis of this disease is related to genetic factors, streptococcus infection, immune dysfunction, metabolic disorders and endocrine changes.

There are four types of clinical: vulgaris, pus, erythrodermic and arthritic. Psoriasis vulgaris is the most common and milder. The disease is chronic, and it is easy to relapse after curing.

Titan corporis are superficial fungal infections on smooth skin other than the hands, feet, perineum and thighs caused by dermatophytes. The so-called round sputum, money sputum and pen tube sputum of traditional Chinese medicine are similar to the scope of this disease. For example, "Theories of the Sources of Diseases": "The shape of the round scorpion, the essays are hidden, the four sides are red, and the itch is also the same, and the insects are also in them." Another example is the record: "The state of rickets, the flesh concealed like money, gradually grow, or round or oblique, itching has a sputum, such as worms, sputum has juice." Chinese medicine believes that body phlegm is rheumatic evil, and guests are ill, or they are sick because of contact with unclean things.

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