Abstract
PURPOSE OF REVIEW
The current review summarizes recent guidance in the diagnosis and management of sarcoidosis. Until recently, the main guidelines were the 1999 International Statement on Sarcoidosis. However, in 2020 two new guidelines were published by the American and British Thoracic Societies. They have a number of key updates and this review aims to summarize these.
RECENT FINDINGS
The key findings from 2020 revolve around several themes. First, the need for a histological diagnosis should be supported by a multidisciplinary team approach. When a histological biopsy is needed of the lungs, thought is given to the approach taken for this and to whether an endobronchial ultrasound, endoscopic ultrasound or transbronchial biopsy is needed. Second, information regarding supporting tests including blood biomarkers, lung function and imaging. Third, a section specific to cardiac sarcoidosis. Finally, a summary of guidance for treating sarcoidosis including the need to treat fatigue.
SUMMARY
The recent guidance suggests that a histological biopsy is only needed in cases of diagnostic uncertainty or in patients with typical long standing features on imaging. The guidelines also provide a clear pathway on the type of lung biopsy needed depending on the extent of mediastinal or parenchymal involvement. Support is given to steroid regimens and indication for second-line immunosuppression.
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