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https://www.readbyqxmd.com/read/28695430/birt-hogg-dub%C3%A3-syndrome-a-review-of-dermatological-manifestations-and-other-symptoms
#1
REVIEW
Yun Tong, Jeremy A Schneider, Alvin B Coda, Tissa R Hata, Philip R Cohen
Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant genodermatosis with malignant potential characterized by cutaneous and extracutaneous stigmata. Aberrations in the folliculin (FLCN) gene, which is located on chromosome 17, have been discovered in individuals with this condition. Over 150 unique mutations have been identified in BHD. The skin lesions associated with this condition include fibrofolliculomas, trichodiscomas, perifollicular fibromas, and acrochordons. Extracutaneous features of the syndrome typically include the lung (spontaneous pneumothorax and cysts) and the kidney (neoplasms)...
July 10, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28690286/a-case-of-recurrent-pneumothorax-associated-with-birt-hogg-dub%C3%A3-syndrome-treated-with-bilateral-simultaneous-surgery-and-total-pleural-covering
#2
Kyoshiro Takegahara, Naoyuki Yoshino, Jitsuo Usuda
Birt-Hogg-Dubé syndrome is an autosomal dominant genetic disorder characterized by a triad of skin tumors, renal tumors, and multiple pulmonary cysts. Our patient was a 40-year-old man with a history of recurrent bilateral pneumothorax and a family history of pneumothorax. The patient visited our department with chest pain and was diagnosed with left pneumothorax based on a chest X-ray. Thoracic computed tomography (CT) showed multiple cysts in both lungs. We performed thoracoscopic bilateral bullectomy with curative intent...
July 10, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28649310/lung-ultrasound-has-limited-diagnostic-value-in-rare-cystic-lung-diseases-a-cross-sectional-study
#3
Jesper Rømhild Davidsen, Elisabeth Bendstrup, Daniel P Henriksen, Ole Graumann, Christian B Laursen
Background: Lung ultrasound (LUS) used to identify interstitial syndrome (IS) and pleural thickening related to diffuse parenchymal lung disease (DPLD) has shown significant correlations with ground glass opacity (GGO) on high-resolution computed tomography (HRCT). However, the applicability of LUS in patients with DPLD subtypes as rare cystic lung diseases has not previously been investigated. This study aimed to observe if distinctive LUS findings could be found in patients with lymphangioleiomyomatosis (LAM), pulmonary Langerhans cell histiocytosis (PLCH), and Birt-Hogg-Dubé syndrome (BHDS)...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28623476/early-onset-renal-cell-carcinoma-in-an-adolescent-girl-with-germline-flcn-exon-5-deletion
#4
Meike Schneider, Katja Dinkelborg, Xiuli Xiao, Gayun Chan-Smutko, Kathleen Hruska, Dongli Huang, Pallavi Sagar, Mukesh Harisinghani, Othon Iliopoulos
Birt-Hogg-Dube (BHD) disease is an autosomal dominant cancer syndrome characterized by benign skin tumors, renal cancer and spontaneous pneumothorax and is caused by mutations in the Folliculin (FLCN) gene. Benign skin tumors and pneumothorax occur in the majority of patients affected by BHD syndrome, but only 30-45% of them develop renal cell carcinoma (RCC) with a median age of diagnosis at 48. The earliest onset of RCC in a BHD patient has been reported at age 20. Here we report a case of a 14 year-old patient with germline FLCN mutation leading to an early-onset bulky RCC that could not be classified strictly according to existing histological types...
June 16, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28590337/spontaneous-pneumothorax-in-diffuse-cystic-lung-diseases
#5
Joseph Cooley, Yun Chor Gary Lee, Nishant Gupta
PURPOSE OF REVIEW: Diffuse cystic lung diseases (DCLDs) are a heterogeneous group of disorders with varying pathophysiologic mechanisms that are characterized by the presence of air-filled lung cysts. These cysts are prone to rupture, leading to the development of recurrent spontaneous pneumothoraces. In this article, we review the epidemiology, clinical features, and management DCLD-associated spontaneous pneumothorax, with a focus on lymphangioleiomyomatosis, Birt-Hogg-Dubé syndrome, and pulmonary Langerhans cell histiocytosis...
July 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28567709/renal-cell-cancers-unveiling-the-hereditary-ones-and-saving-lives-a-tailored-diagnostic-approach
#6
REVIEW
Georgios Kallinikas, Helai Habib, Dimitrios Tsimiliotis, Evangelos Koutsokostas, Barna Bokor
The prevalence of RCC in Europe is 2-3% and increasing every year. Hereditary predisposition is found in 5-8% of all RCC cases. Hereditary syndromes associated with RCC include: Von Hippel-Lindau, hereditary papillary renal cell carcinoma, Birt-Hogg-Dube', hereditary leiomyomatosis, succinate dehydrogenase's deficiency, tuberous sclerosis complex and Cowden's syndrome. These syndromes are related to specific genetic mutations. So far the European Association of Urology and American Urological Association have not established guidelines for referral of patients with RCC for germline mutation screening...
May 31, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28558743/clinical-and-genetic-characteristics-of-chinese-patients-with-birt-hogg-dub%C3%A3-syndrome
#7
Yaping Liu, Zhiyan Xu, Ruie Feng, Yongzhong Zhan, Jun Wang, Guozhen Li, Xue Li, Weihong Zhang, Xiaowen Hu, Xinlun Tian, Kai-Feng Xu, Xue Zhang
BACKGROUND: Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant disorder, the main manifestations of which are fibrofolliculomas, renal tumors, pulmonary cysts and recurrent pneumothorax. The known causative gene for BHD syndrome is the folliculin (FLCN) gene on chromosome 17p11.2. Studies of the FLCN mutation for BHD syndrome are less prevalent in Chinese populations than in Caucasian populations. Our study aims to investigate the genotype spectrum in a group of Chinese patients with BHD...
May 30, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28541267/choroidal-melanoma-sector-melanocytosis-and-retinal-pigment-epithelial-microdetachments-in-birt-hogg-dub%C3%A3-syndrome
#8
Charlotte L Marous, Molly R Marous, R Joel Welch, Jerry A Shields, Carol L Shields
PURPOSE: Birt-Hogg-Dubé Syndrome (BHDS) is a rare autosomal dominant condition that can predispose patients to numerous cutaneous fibrofolliculomas and other cutaneous lesions, pulmonary cysts with spontaneous pneumothorax, and multifocal renal tumors and cancer. The genetic mutations responsible for BHDS are related to tumor suppression and the mammalian target of rapamycin (mTOR) pathway. Previous reports of the ocular findings in BHDS include eyelid fibrofolliculomas, "flecked chorioretinopathy," and one report of choroidal melanoma...
May 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28539984/birt-hogg-dub%C3%A3-syndrome-report-of-two-cases-with-two-new-mutations
#9
Margarida Rato, Ana Filipe Monteiro, Joana Parente, João Aranha, Ermelindo Tavares
INTRODUCTION: Birt-Hogg-Dubé syndrome (BHDS) is a rare autosomal dominant genodermatosis characterized by cutaneous fibrofolliculomas and/or trichodiscomas, lung cysts, spontaneous pneumothorax and renal tumors. However, its clinical expression is highly variable. This syndrome is caused by germline mutations in the folliculin gene (FLCN) on chromosome 17p11.2. MAIN OBSERVATIONS: Two men, 60 and 39-year-old, presented with a several year history of asymptomatic whitish papules scattered over the face and neck...
March 31, 2017: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/28499369/characterization-of-a-splice-site-mutation-in-the-tumor-suppressor-gene-flcn-associated-with-renal-cancer
#10
Malte P Bartram, Tripti Mishra, Nadine Reintjes, Francesca Fabretti, Hakam Gharbi, Alexander C Adam, Heike Göbel, Mareike Franke, Bernhard Schermer, Stefan Haneder, Thomas Benzing, Bodo B Beck, Roman-Ulrich Müller
BACKGROUND: Renal cell carcinoma is among the most prevalent malignancies. It is generally sporadic. However, genetic studies of rare familial forms have led to the identification of mutations in causative genes such as VHL and FLCN. Mutations in the FLCN gene are the cause of Birt-Hogg-Dubé syndrome, a rare tumor syndrome which is characterized by the combination of renal cell carcinoma, pneumothorax and skin tumors. METHODS: Using Sanger sequencing we identify a heterozygous splice-site mutation in FLCN in lymphocyte DNA of a patient suffering from renal cell carcinoma...
May 12, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28470670/chronic-peritoneal-inflammation-and-nodules-masquerading-as-peritoneal-carcinomatosis-in-birt-hogg-dube-syndrome
#11
Jonathan Kam, Yuigi Yuminaga, Mark Louie-Johnsun
No abstract text is available yet for this article.
May 3, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28326182/birt-hogg-dub%C3%A3-syndrome-a-case-report-and-a-review-of-the-literature
#12
REVIEW
Dea Kejlberg Jensen, Anders Villumsen, Anne-Bine Skytte, Mia Gebauer Madsen, Mette Sommerlund, Elisabeth Bendstrup
Background: Birt-Hogg-Dubé syndrome (BHDS) is a rare autosomal dominant inherited syndrome caused by mutations in the folliculin coding gene (FLCN). The clinical manifestations of the syndrome involve the skin, lungs, and kidneys. Because of the rarity of the syndrome, guidelines for diagnosis and management of the patients with BHDS are lacking. Objective: To present a case story and a review of the literature on BHDS in order to give an update on genetics, clinical manifestations, diagnosis, treatment, prognosis and follow-up strategies...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28264540/diagnosis-and-treatment-of-cystic-lung-disease
#13
REVIEW
Sanghoon Park, Eun Joo Lee
Cystic lung disease (CLD) is a group of lung disorders characterized by the presence of multiple cysts, defined as air-filled lucencies or low-attenuating areas, bordered by a thin wall (usually < 2 mm). The recognition of CLDs has increased with the widespread use of computed tomography. This article addresses the mechanisms of cyst formation and the diagnostic approaches to CLDs. A number of assessment methods that can be used to confirm CLDs are discussed, including high-resolution computed tomography, pathologic approaches, and genetic/ serologic markers, together with treatment modalities, including new therapeutic drugs currently being evaluated...
March 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28255411/structured-assessment-and-followup-for-patients-with-hereditary-kidney-tumour-syndromes
#14
Jean-Baptiste Lattouf, Stephen E Pautler, M Neil Reaume, Raymond H Kim, Melanie Care, Jane Green, Alan So, Philippe D Violette, Issam Saliba, Philippe Major, Shane Silver, Richard Leicht, Joan Basiuk, Simon Tanguay, Michael A S Jewett, Darrel Drachenberg
INTRODUCTION: Optimal clinical assessment and subsequent followup of patients with or suspected of having a hereditary renal cell carcinoma syndrome (hRCC) is not standardized and practice varies widely. We propose protocols to optimize these processes in patients with hRCC to encourage a more uniform approach to management that can then be evaluated. METHODS: A review of the literature, including existing guidelines, was carried out for the years 1985-2015. Expert consensus was used to define recommendations for initial assessment and followup...
July 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28248571/spontaneous-pneumothoraces-in-patients-with-birt-hogg-dub%C3%A3-syndrome
#15
Nishant Gupta, Elizabeth J Kopras, Elizabeth P Henske, Laura E James, Souheil El-Chemaly, Srihari Veeraraghavan, Matthew G Drake, Francis X McCormack
RATIONALE: Spontaneous pneumothorax is a common complication of Birt-Hogg-Dubé syndrome (BHD). OBJECTIVES: The optimal approach to treatment and prevention of BHD-associated spontaneous pneumothorax, and to advising patients with BHD regarding risk of pneumothorax associated with air travel, is not well established. METHODS: Patients with BHD were recruited from the Rare Lung Diseases Clinic Network and the BHD Foundation and surveyed about disease manifestations and air travel experiences...
May 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28222720/birt-hogg-dub%C3%A3-syndrome-a-literature-review-and-case-study-of-a-chinese-woman-presenting-a-novel-flcn-mutation
#16
Shengyu Hao, Fei Long, Fenglan Sun, Teng Liu, Daowei Li, Shujuan Jiang
BACKGROUND: The Birt-Hogg-Dubé (BHD) syndrome is a very rare autosomal dominant form of genodermatosis caused by germline mutations in the folliculin (FLCN) gene, which is mapped to the p11.2 region in chromosome 17. BHD commonly presents cutaneous fibrofolliculomas, pulmonary cysts, renal cell carcinoma, and recurrent pneumothoraxes. The disease is easily ignored or misdiagnosed as pneumothorax, pulmonary lymphangiomyomatosis (LAM), or emphysema. Follow-up and guidelines for managing recurrent pneumothoraxes in these patients are lacking...
February 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28151982/birt-hogg-dube-syndrome-prospectively-detected-by-review-of-chest-computed-tomography-scans
#17
Hye Jung Park, Chul Hwan Park, Sang Eun Lee, Geun Dong Lee, Min Kwang Byun, Sungsoo Lee, Kyung-A Lee, Tae Hoon Kim, Seong Han Kim, Seo Yeon Yang, Hyung Jung Kim, Chul Min Ahn
PURPOSE: Birt-Hogg-Dube syndrome (BHD) is a rare disorder caused by mutations in the gene that encodes folliculin (FLCN) and is inherited in an autosomal dominant manner. BHD is commonly accompanied by fibrofolliculomas, renal tumors, multiple pulmonary cysts, and spontaneous pneumothorax. The aim of this study was to detect BHD prospectively in patients undergoing chest computed tomography (CT) scans and to evaluate further the characteristics of BHD in Korea. METHODS: We prospectively checked and reviewed the chest CT scans obtained for 10,883 patients at Gangnam Severance Hospital, Seoul, Korea, from June 1, 2015 to May 31, 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28110467/an-overview-of-autosomal-dominant-tumour-syndromes-with-prominent-features-in-the-oral-and-maxillofacial-region
#18
REVIEW
Robert A Kennedy, Selvam Thavaraj, Salvador Diaz-Cano
Several autosomal dominant inherited tumour syndromes demonstrate prominent features in the oral and maxillofacial region. Although multiple organ systems are frequently involved, the target organs more frequently affected are the skin (nevoid basal cell carcinoma syndrome, Brooke-Spiegler syndrome, Birt-Hogg-Dube syndrome and Muir-Torre syndrome), gastrointestinal tract (Peutz-Jegher syndrome and Gardner syndrome) or endocrine system (multiple endocrine neoplasia type 2b and hyperparathyroidism-jaw tumour syndrome)...
January 21, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28069055/novel-germline-mutations-in-flcn-gene-identified-in-two-chinese-patients-with-birt-hogg-dub%C3%A3-syndrome
#19
Teng Li, Xianghui Ning, Qun He, Kan Gong
Birt-Hogg-Dubé (BHD) syndrome, a hereditary renal cancer syndrome caused by mutations in the folliculin (FLCN) gene, is characterized by the presence of fibrofolliculomas, pulmonary cysts, spontaneous pneumothorax, and renal cell carcinoma (RCC). Few BHD syndrome cases have been reported in Asian countries, and cutaneous presentations are relatively rare in Asian patients. Asian BHD patients may be misdiagnosed due to their atypical manifestations. Here, we report two Chinese BHD patients with novel FLCN mutations (c...
January 9, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28039480/nutrient-induced-fnip-degradation-by-scf%C3%AE-trcp-regulates-flcn-complex-localization-and-promotes-renal-cancer-progression
#20
Katsuyuki Nagashima, Hidefumi Fukushima, Kouhei Shimizu, Aya Yamada, Masumi Hidaka, Hisashi Hasumi, Tetsuro Ikebe, Satoshi Fukumoto, Koji Okabe, Hiroyuki Inuzuka
Folliculin-interacting protein 1 and 2 (FNIP1 and FNIP2) play critical roles in preventing renal malignancy through their association with the tumor suppressor FLCN. Mutations in FLCN are associated with Birt-Hogg-Dubé (BHD) syndrome, a rare disorder with increased risk of renal cancer. Recent studies indicated that FNIP1/FNIP2 double knockout mice display enlarged polycystic kidneys and renal carcinoma, which phenocopies FLCN knockout mice, suggesting that these two proteins function together to suppress renal cancer...
February 7, 2017: Oncotarget
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