A rare disorder of unknown etiology seen in women of reproductive age and in patients of either sex with tuberous sclerosis. Pulmonary complications are due to hamartomatous proliferation of smooth muscle cells preferentially along bronchovascular structures resulting in obliteration of the airways and consecutive development of cysts in the lungs. Usually progressive, leading to death from respiratory failure. Treatment by lung transplantation has been successful.
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Examples: glitazone, GI cocktail, etc.