The juvenile rheumatoid arthritis

Juvenile rheumatoid arthritis often occurred under the age of 16 children, Very few infant morbidity. Generally speaking, the incidence rate is slightly higher than girls boys.
[Symptoms] juvenile rheumatoid arthritis symptoms are varied, but mainly as follows:
1. Fever occurred mostly slow, a few emerged for the irregular low heat, but also for sustained high fever or intermittent high fever. The fever after a few weeks to several months to ease their own, but easily repeated.
2. Rash during fever about 1 / 5 of children with a rash, their varying forms, mostly small斑丘疹, minorities showed erythema nodosum bleak annular erythema Center, across the whole body, sometimes itching. Rashes are often quickly disappear, but with a fever can be.
3. Joint pain is the main symptom, and often occurred in fever after a few weeks or few months, before the first regular session of knee, ankle, wrist future can be developed into, elbow, shoulder, cervical and other joints. For many on both sides of symmetry, some children were migratory. In addition, some children may also be associated with anemia, pericarditis, myocarditis, pleurisy, pneumonia and so on.
Clinically, patients with systemic under performance and the number of joints involved, visceral damage, and so on, can be divided into three types.
1. Body type: high fever, rash, swollen lymph nodes systemic hepatosplenomegaly, anemia, and other systemic symptoms common, and joint pain lighter.
2. Multi-joint type: fever and other systemic symptoms less lighter, but mainly to joint pain. Generally more than five joints, a symmetry, was particularly prevalent in the knee, ankle, wrist, hand, foot joints, often repeated attack, a few years later, there will be joint deformities.
3. Pauciarticular type: general without systemic symptoms and extra-articular manifestations, only involved 1-5 joints, mostly knee and ankle joints such as the pain. However, this may change between 3, the body type and pauciarticular type to be multi-joint type, multi-joint type may ultimately formed a minority joint deformation. 　　
Generally speaking, the performance of a variety of juvenile rheumatoid arthritis, the smaller the age of onset, the more severe systemic symptoms, the more light articular lesions. 7-year-old is more than most of the articular symptoms, systemic symptoms lighter, and, when the children without undue fever, or a longer duration of repeated attacks, there should be carefully observed rash and joint pain. These are found suspicious symptoms should promptly seek medical treatment, timely diagnosis and timely treatment.