ILAR Classification Criteria for Juvenile Idiopathic Arthritis (JIA)

Juvenile idiopathic arthritis is a heterogeneous group of diseases characterised by arthritis of unknown origin with onset before age of 16 years.
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Diagnostic Criteria for Idiopathic Hypereosinophilic Syndrome (HES)

Diagnostic Criteria for Idiopathic Hypereosinophilic Syndrome (HES) are:

1. Persistent eosinophilia of over 1500/cubic millimeter for longer than 6 month;

2. Lack of evidence of other known causes of secondary hypereosinophilia (SH);

3. Multiple organ involvement.

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ATS/ERS Criteria for Diagnosis of Idiopathic Pulmonary Fibrosis (IPF) in Absence of Surgical Lung Biopsy

Major Criteria

  1. Exclusion of other known causes of ILD such as certain drug toxicities, environmental exposures, and connective tissue diseases

  2. Abnormal pulmonary function studies that include evidence of restriction (reduced VC, often with an increased FEV1/FVC ratio) and impaired gas exchange [increased P(A–a)O2, decreased PaO2 with rest or exercise or decreased DLCO]

  3. Bibasilar reticular abnormalities with minimal ground glass opacities on HRCT scans

  4. Transbronchial lung biopsy or BAL showing no features to support an alternative diagnosis

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