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"LYMPHANGIOLEIOMYOMATOSIS (LAM)"

“ This is a rare interstitial lung disease that is more common in non-smoking women of child-bearing age. Symptoms worsen in pregnancy or w...

This is a rare interstitial lung disease that is more common in non-smoking women of child-bearing age. Symptoms worsen in pregnancy or with smoking. May present with spontaneous pneumothorax. Associated with tuberous sclerosis (up to 40% of tuberous scleroses).
PLAIN FILM
•  Normal initially, then hyper-expansion and small cysts.
•  Check for a pneumothorax.
HRCT

•  Uniform, thin-walled cysts with normal intervening lung.
•  Chylous pleural effusions.
•  Pneumothorax.
•  Nodules are unusual.
•  HRCT commonly abnormal in affected children with tuberous sclerosis.