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Published on: August 20, 2019
Birt-Hogg-Dubé Syndrome.
Nishant Gupta1, Bernie Y Sunwoo2, Robert M Kotloff3
1Division of Pulmonary, Critical Care and Sleep Medicine, University of Cincinnati, 231 Albert Sabin Way, MSB Room 6053, ML 0564, Cincinnati, OH 45267, USA.
Birt-Hogg-Dubé syndrome (BHD) is a rare genetic disorder affecting skin, kidneys, and lungs. Research aims to clarify the unclear pathogenesis of tumor and lung cyst formation in BHD patients.
Area of Science:
- Genetics and rare diseases
- Oncology
- Pulmonology
Background:
- Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant disorder.
- It is caused by mutations in the Folliculin (FLCN) gene.
- BHD is associated with fibrofolliculomas, renal tumors, and lung cysts.
Purpose of the Study:
- To elucidate the pathogenesis of tumor and lung cyst formation in BHD.
- To understand the phenotypic variability in BHD patients.
- To highlight the prevalence of pulmonary findings in BHD.
Main Methods:
- Review of clinical and genetic data from BHD patients.
- Analysis of high-resolution computed tomography (HRCT) scans.
- Literature review on BHD pathogenesis.
Main Results:
- BHD presents with a variable combination of skin, renal, and pulmonary manifestations.
- Renal cancers and spontaneous pneumothoraces are key features.
- Over 80% of adult BHD patients exhibit pulmonary cysts on HRCT.
Conclusions:
- The pathogenesis of BHD-related tumors and cysts requires further investigation.
- Early recognition of BHD is crucial due to its multisystemic nature.
- Pulmonary involvement is highly prevalent in adult BHD patients.
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