Abstract:Birt-Hogg-Dubé syndrome is characterized by clinical manifestations such as hamartomas of the skin, renal tumors and lung cysts with spontaneous pneumothoraces. Patients with Birt-Hogg-Dubé syndrome may present with only multiple lung cysts. We report the chest computerized tomography (CT) features of three patients with BirtHogg-Dubé syndrome. Each patient had multiple lung cysts of various sizes according to chest CT evaluation, most of which were located in lower lobes and related to pleura. The identificat… Show more
“…При этом у некоторых пациентов пневмотораксединственный манифестирующий признак ББХД. Риск пневмоторакса у пациентов с ББХД в 50 раз выше, чем в общей популяции [15]. При этом стоит отметить, что риск пневмоторакса при ББХД существенно ниже, чем, например, при ЛАМ, который характеризуется увеличением риска в 1 000 раз по сравнению с общей женской популяцией.…”
Birt - Hogg - Dubd (BHD) disorder is a rare inherited autosomal dominant disorder caused by germline mutations in the tumor suppressor gene FLCN, which encodes the protein folliculin. BHD disorder is characterized by benign skin hamartomas, kidney cancer, pulmonary cysts, and spontaneous pneumothorax. Currently, more than 600 cases of this disease have been described worldwide. Diagnosis of BHD disorder is based on clinical manifestations, family history, and genetic testing. We describe two patients (43 and 51 years old) who presented with a history of longstanding dyspnea and spontaneous pneumothorax. Based on the radiological characteristics and skin lesions, the patients were referred for genetic testing to confirm the diagnosis of BHD disorder.Aim. To study the current management of adult patients with BCD disorder. Timely diagnosis of BHD disorder has important preventive value because patients with this disease are at much higher risk for kidney cancer.Conclusion. The presented clinical cases demonstrate typical manifestations of BCD disorder with predominant involvement of the lungs and skin. The final diagnosis is confirmed by genetic testing of the coding sequence of the FLCN gene by direct automated sequencing. To date, there are no specific therapies for BCD disorder and treatment of the respiratory manifestations is limited to prevention and treatment of pneumothorax.
“…При этом у некоторых пациентов пневмотораксединственный манифестирующий признак ББХД. Риск пневмоторакса у пациентов с ББХД в 50 раз выше, чем в общей популяции [15]. При этом стоит отметить, что риск пневмоторакса при ББХД существенно ниже, чем, например, при ЛАМ, который характеризуется увеличением риска в 1 000 раз по сравнению с общей женской популяцией.…”
Birt - Hogg - Dubd (BHD) disorder is a rare inherited autosomal dominant disorder caused by germline mutations in the tumor suppressor gene FLCN, which encodes the protein folliculin. BHD disorder is characterized by benign skin hamartomas, kidney cancer, pulmonary cysts, and spontaneous pneumothorax. Currently, more than 600 cases of this disease have been described worldwide. Diagnosis of BHD disorder is based on clinical manifestations, family history, and genetic testing. We describe two patients (43 and 51 years old) who presented with a history of longstanding dyspnea and spontaneous pneumothorax. Based on the radiological characteristics and skin lesions, the patients were referred for genetic testing to confirm the diagnosis of BHD disorder.Aim. To study the current management of adult patients with BCD disorder. Timely diagnosis of BHD disorder has important preventive value because patients with this disease are at much higher risk for kidney cancer.Conclusion. The presented clinical cases demonstrate typical manifestations of BCD disorder with predominant involvement of the lungs and skin. The final diagnosis is confirmed by genetic testing of the coding sequence of the FLCN gene by direct automated sequencing. To date, there are no specific therapies for BCD disorder and treatment of the respiratory manifestations is limited to prevention and treatment of pneumothorax.
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