Cutaneous fibrofolliculomas. Previous VATS pleurodesis for recurrent pneumothorax.
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Several thin-walled lung cysts with varying shapes and lower zone predominant. Several are immediately subpleural: peripheral or along the fissures.
She is folliculin mutation positive. Her 25 year-old twin daughters also have typical lung cysts.
Birt-Hogg-Dube syndrome is an autosomal dominant mutation with characteristic skin manifestions. Lung cysts are common and are frequently complicated by recurrent pneumothorax, typically provoked by an airline flight.
Renal tumors can be multifocal and bilateral, occurring in approximately one third of cases and the most common histology is chromophobe/oncocytoma hybrid. Lifelong 3 yearly screening by MRI is recommended.
None of the family have renal tumors to date.
- Elizabeth Lee, Mohamed Sayyouh, Jay Ezra Haggerty, Ella Kazerooni, Prachi P. Agarwal. Role of Radiologists in the Diagnosis of Unsuspected Birt-Hogg-Dubé Syndrome in a Tertiary Clinical Practice. (2019) American Journal of Roentgenology. doi:10.2214/AJR.19.21176