Primary membranous nephrotic syndrome with chylothorax as first presentation: A case report and literature review.

Background: Primary membranous nephrotic syndrome with chylothorax as the first manifestation is an unusual condition. To date, only a few cases have been reported in clinical practice.

Case Summary: The clinical data of a 48-year-old man with primary nephrotic syndrome combined with chylothorax admitted to the Department of Respiratory and Critical Care Medicine of Shaanxi Provincial People's Hospital were retrospectively analysed.