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Emad Y, Ragab Y, Farber HW, Erkan D, Ibrahim O, Kindermann M, Tekavec-Trkanjec J, Jayakrishnan B, El-Shaarawy N, Kechida M, Young P, Pankl S, Fabi M, Bawaskar P, Kably I, Ghirardo S, Frikha F, Abou-Zeid A, Hassan M, Robinson C, Abdelbary MH, Tornes L, Margolesky J, Barman B, Bennji S, Agarwala MK, Alhusseiny K, Amezyane T, Silva RS, Cruz V, Niemeyer B, Al-Zeedy K, Al-Jahdali H, Jaramillo N, Demirkan S, Guffroy A, Kim JT, Ruffer N, Tharwat S, Cozzi D, Abdelali M, Joy TC, Sayed M, Sherwina J, Gheita T, Rasker JJ. Pulmonary embolism versus pulmonary vasculitis in Hughes-Stovin syndrome: Characteristic computed tomography pulmonary angiographic findings and diagnostic and therapeutic implications. HSS International Study Group. Thromb Res 2024; 239:109040. [PMID: 38795561 DOI: 10.1016/j.thromres.2024.109040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/11/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
BACKGROUND AND AIM Hughes-Stovin syndrome (HSS) is a rare systemic vasculitis with widespread venous/arterial thrombosis and pulmonary vasculitis. Distinguishing between pulmonary embolism (PE) and in-situ thrombosis in the early stages of HSS is challenging. The aim of the study is to compare clinical, laboratory, and computed tomography pulmonary angiography (CTPA) characteristics in patients diagnosed with PE versus those with HSS. METHODS This retrospective study included 40 HSS patients with complete CTPA studies available, previously published by the HSS study group, and 50 patients diagnosed with PE from a single center. Demographics, clinical and laboratory findings, vascular thrombotic events, were compared between both groups. The CTPA findings were reviewed, with emphasis on the distribution, adherence to the mural wall, pulmonary infarction, ground glass opacification, and intra-alveolar hemorrhage. Pulmonary artery aneurysms (PAAs) in HSS were assessed and classified. RESULTS The mean age of HSS patients was 35 ± 12.3 years, in PE 58.4 ± 17 (p < 0.0001). Among PE 39(78 %) had co-morbidities, among HSS none. In contrast to PE, in HSS both major venous and arterial thrombotic events are seen.. Various patterns of PAAs were observed in the HSS group, which were entirely absent in PE. Parenchymal hemorrhage was also more frequent in HSS compared to PE (P < 0.001). CONCLUSION Major vascular thrombosis with arterial aneurysms formation are characteristic of HSS. PE typically appear loosely-adherent and mobile whereas "in-situ thrombosis" seen in HSS is tightly-adherent to the mural wall. Mural wall enhancement and PAAs are distinctive pulmonary findings in HSS. The latter findings have significant therapeutic ramifications.
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Affiliation(s)
- Yasser Emad
- Rheumatology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt.
| | - Yasser Ragab
- Radiology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Harrison W Farber
- Tufts University School of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, Boston, MA, USA
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Diseases, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY 10021, USA
| | - Ossama Ibrahim
- Morecambe Bay University Hospitals Lancaster, Lancashire, Ashton Rd, Lancaster LA1 4RP, United Kingdom
| | - Michael Kindermann
- Innere Medizin III (Kardiologie/Angiologie), Universitätskliniken des Saarlandes, Kirrberger Straße, D 66421 Homburg/Saar, Germany
| | - Jasna Tekavec-Trkanjec
- Department of Pulmonary medicine, Dubrava University Hospital, AvenijaGojkaŠuška 6, 10000 Zagreb, Croatia
| | | | - Nashwa El-Shaarawy
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Suez Canal University, Ismailia 4.5 Km the Ring Road, 41522 Ismailia, Egypt
| | - Melek Kechida
- Internal Medicine and Endocrinology Department, Fattouma Bourguiba University Hospital, University of Monastir, Rue du 1er juin 1955, Monastir 5019, Tunisia
| | - Pablo Young
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB Buenos Aires, Argentina
| | - Sonia Pankl
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB Buenos Aires, Argentina
| | - Marianna Fabi
- Pediatric Cardiology and Adult Congenital Unit, S. Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy
| | - Parag Bawaskar
- Department of Cardiology, Topiwala National Medical College & B.Y.L Nair Charitable Hospital, Dr. A.L. Nair road, Mumbai 400008, Maharashtra, India
| | - Issam Kably
- Department of Radiology, Section of Vascular and Interventional Radiology, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Sergio Ghirardo
- Clinical Department of Medical, Surgical and Health Science, University of Trieste, Piazzale Europa, 1, 34127 Trieste, TS, Italy
| | - Faten Frikha
- Department of Internal Medicine, HediChaker Hospital, 3029 Sfax, Tunisia
| | - Alaa Abou-Zeid
- Public health Department, Faculty of medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Maged Hassan
- Chest Diseases Department, Faculty of Medicine, Alexandria University - Al kartoom square, al Azareta, Alexandria 21526, Egypt
| | - Cal Robinson
- Department of Paediatrics, Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Mohamed H Abdelbary
- Department of Radiology, Badr Hospital, Faculty of medicine, Helwan University, Egypt
| | - Leticia Tornes
- University of Miami Miller School of Medicine, Department of Neurology, Miami, FL, USA
| | - Jason Margolesky
- University of Miami Miller School of Medicine, Department of Neurology, Miami, FL, USA
| | - Bhupen Barman
- Department of General Medicine, All India Institute of Medical Sciences (AIIMS), Guwahati, India
| | - Sami Bennji
- Division of Pulmonology, Department of Medicine, Sultan Qaboos Comprehensive Cancer Care and Research Centre, Muscat, Oman
| | - Manoj Kumar Agarwala
- Department of Cardiology, Apollo Hospitals, Jubilee Hills, Hyderabad 500096, India
| | - Khalid Alhusseiny
- Radiology department, Dr Erfan General hospital, Jeddah, Saudi Arabia
| | - Taoufik Amezyane
- Department of Internal Medicine, Mohammed V Military Teaching Hospital, Mohammed V-Souissi University, School of Medicine, Rabat, Morocco
| | - Rafael S Silva
- Unidad de Enfermedades Respiratorias, Hospital Regional de Talca, Calle 1 Norte 1990, Talca, Chile
| | - Vitor Cruz
- Serviço de Reumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Bruno Niemeyer
- Departamento de Radiologia, Instituto Estadual do Cérebro Paulo Niemeyer, R. do Rezende, 156 - Centro, 20231-092 Rio de Janeiro, RJ, Brazil
| | - Khalfan Al-Zeedy
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB Buenos Aires, Argentina
| | - Hamdan Al-Jahdali
- Pulmonary Division, Department of Medicine, King Saud University for Health Sciences, King Abdulaziz Medical City, Riyadh 11426, Saudi Arabia
| | - Natalia Jaramillo
- Cardiology Department, Hospital Puerta de HierroMajadahonda, C/Joaquin Rodrigo 3, Madrid 28222, Spain
| | - Serkan Demirkan
- Department of Dermatology and Venerology, Izmir KatipÇelebi University Faculty of Medicine, Karabağlar, Izmir, Turkey
| | - Aurelien Guffroy
- Service d'immunologieclinique et médecine interne, centre de référence des maladies auto-immunes systémiquesrares (RESO), hôpitauxuniversitaires de Strasbourg, nouvelhôpital civil, 67091 Strasbourg, France; UFR médecine Strasbourg, université de Strasbourg, 67000 Strasbourg, France
| | - Jung Tae Kim
- Department of Cardiovascular and Thoracic Surgery, Cheonan Chungmu Hospital, 8 Dagamal 3-gil Seobuk-gu, Cheonan-si, Chungcheongnam-do, Republic of Korea
| | - Nikolas Ruffer
- Division of Rheumatology and Systemic Inflammatory Diseases, University Hospital Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Samar Tharwat
- Internal Medicine Department, Rheumatology Unit, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Diletta Cozzi
- Department of Emergency Radiology, Careggi University Hospital, Florence, Italy
| | - Mabrouk Abdelali
- Department of Radiology, Fattouma Bourguiba University Hospital, University of Monastir, Monastir, Tunisia
| | - Tubig C Joy
- Division of Pulmonary and Critical Care Medicine, Philippine Heart Center, Quezon City, Philippines
| | - Mona Sayed
- Nursing Medical Surgical Critical Care Department, Minia University, Minia, Egypt
| | - Juljani Sherwina
- Division of Pulmonary and Critical Care Medicine, Philippine Heart Center, Quezon City, Philippines
| | - Tamer Gheita
- Rheumatology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Johannes J Rasker
- Faculty of Behavioral, Management and Social Sciences, Department Psychology, Health and Technology, University of Twente, Drienerlolaan 5, 7522NB Enschede, the Netherlands
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Ascoli Marchetti A, Belvivere L, Argirò R, Kroegler B, Oddi FM, Pennetta F, Giorgi AD, Fazzini S, Morosetti D, Triggianese P, Greco E, D'Antonio A, Coccia I, Tesauro M, Sangiuolo F, Ippoliti A. A Rare but Fatal Behçet Variant: The Hughes-Stovin Syndrome-Successful Case Report and New Evidence from Literature Review. AORTA (STAMFORD, CONN.) 2023; 11:156-161. [PMID: 38531384 PMCID: PMC11038734 DOI: 10.1055/s-0043-1777994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 11/18/2023] [Indexed: 03/28/2024]
Abstract
Hughes-Stovin syndrome (HSS) is a rare potentially fatal vasculitis supposedly belonging to the spectrum of Behçet disease without ocular involvement. HSS tends to play by a temporal pattern, starting with thrombosis and followed by formation of pulmonary aneurysms. Since its mortality can reach 25% of cases, early recognition and appropriate therapy represent the major clinical challenges. We describe a rare case of HSS successfully treated via multidisciplinary management by an endovascular approach and immunosuppressive therapy.
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Affiliation(s)
- Andrea Ascoli Marchetti
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
| | - Lorella Belvivere
- Cardiac Surgery, Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | - Renato Argirò
- Radiology Department, Interventional Radiology, University of Rome Tor Vergata, Rome, Italy
| | - Barbara Kroegler
- Department of Medicina dei Sistemi, Rheumatology, Allergology and Clinical Immunology, University of Rome Tor Vergata, Rome, Italy
| | - Fabio M. Oddi
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
| | - Federico Pennetta
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
| | - Alice de Giorgi
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
| | - Stefano Fazzini
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
| | - Daniele Morosetti
- Radiology Department, Interventional Radiology, University of Rome Tor Vergata, Rome, Italy
| | - Paola Triggianese
- Department of Medicina dei Sistemi, Rheumatology, Allergology and Clinical Immunology, University of Rome Tor Vergata, Rome, Italy
| | - Elisabetta Greco
- Department of Medicina dei Sistemi, Rheumatology, Allergology and Clinical Immunology, University of Rome Tor Vergata, Rome, Italy
| | - Arianna D'Antonio
- Department of Medicina dei Sistemi, Rheumatology, Allergology and Clinical Immunology, University of Rome Tor Vergata, Rome, Italy
| | - Ilaria Coccia
- Department of “Medicina dei Sistemi,” Internal Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Manfredi Tesauro
- Department of “Medicina dei Sistemi,” Internal Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Federica Sangiuolo
- Biomedicine and Prevention Department, Medical Genetics, University of Rome Tor Vergata, Italy
| | - Arnaldo Ippoliti
- Biomedicine and Prevention Department, Vascular Surgery Unit, University of Rome Tor Vergata, Rome, Italy
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Yalçın S, Ensarioglu K, Kurt B, Özişler C. Hughes-Stovin Syndrome: A Rare Cause of Thrombosis and Pulmonary Artery Aneurysm. Cureus 2023; 15:e37121. [PMID: 37153244 PMCID: PMC10159220 DOI: 10.7759/cureus.37121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/04/2023] [Indexed: 04/07/2023] Open
Abstract
Hughes-Stovin Syndrome (HSS) is a rare clinical condition characterized by thrombophlebitis as well as multiple pulmonary and bronchial aneurysms. It commonly presents with coughing, dyspnea, fever, chest pain, and hemoptysis, and its management usually consists of surgical and medical approaches. In this report, we discuss a case of a patient with HSS. A 30-year-old male patient was admitted to the pulmonary medicine ward for hemoptysis. After evaluation with chest CT, bilateral pulmonary embolism and pulmonary aneurysms were observed. Due to a history of aphthous lesions, Behçet's disease (BD) was considered the initial diagnosis; however, the patient did not fit the criteria and was later diagnosed with HSS. Intravenous methylprednisolone was initiated, along with a maintenance treatment with cyclophosphamide. Treatment response was observed in the fourth month; however, due to the persistence of hemoptysis, additional cycles of cyclophosphamide were later required, under which the patient's condition has been stable. HSS currently lacks clear diagnostic criteria, and further studies are needed to investigate genetic backgrounds, familial transmissions, and treatment alternatives.
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Xie JS, Donaldson L, Margolin E. Papilledema: A review of etiology, pathophysiology, diagnosis, and management. Surv Ophthalmol 2021; 67:1135-1159. [PMID: 34813854 DOI: 10.1016/j.survophthal.2021.11.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/05/2021] [Accepted: 11/15/2021] [Indexed: 02/06/2023]
Abstract
Papilledema is optic nerve head edema secondary to raised intracranial pressure (ICP). It is distinct from other causes of optic disk edema in that visual function is usually normal in the acute phase. Papilledema is caused by transmission of elevated ICP to the subarachnoid space surrounding the optic nerve that hinders axoplasmic transport within ganglion cell axons. There is ongoing controversy as to whether axoplasmic flow stasis is produced by physical compression of axons or microvascular ischemia. The most common cause of papilledema, especially in patients under the age of 50, is idiopathic intracranial hypertension (IIH); however, conditions that decrease cerebrospinal fluid (CSF) outflow by either causing CSF derangements or mechanically blocking CSF outflow channels, and rarely conditions that increase CSF production, can be the culprit. When papilledema is suspected clinically, blood pressure should be measured, and pseudopapilledema should be ruled out. Magnetic resonance imaging of the brain and orbits with venography sequences is the preferred neuroimaging modality that should be performed next to look for indirect imaging signs of increased ICP and to rule out nonidiopathic causes. Lumbar puncture with measurement of opening pressure and evaluation of CSF composition should then be performed. In patients not in a typical demographic group for IIH, further investigations should be conducted to assess for underlying causes of increased ICP. Magnetic resonance imaging of the neck and spine, magnetic resonance angiography of the brain, computed tomography of the chest, complete blood count, and creatinine testing should be able to identify most secondary causes of intracranial hypertension. Treatment for patients with papilledema should be targeted toward the underlying etiology. Most patients with IIH respond to weight loss and oral acetazolamide. For patients with decreased central acuity and constricted visual fields at presentation, as well as patients who do not respond to treatment with acetazolamide, surgical treatments should be considered, with ventriculoperitoneal shunting being the typical procedure of choice.
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Affiliation(s)
- Jim Shenchu Xie
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Laura Donaldson
- Faculty of Medicine, Department of Ophthalmology and Visual Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Edward Margolin
- Faculty of Medicine, Department of Ophthalmology and Visual Sciences, University of Toronto, Toronto, Ontario, Canada; Faculty of Medicine, Department of Medicine, Division of Neurology, University of Toronto, Toronto, Ontario, Canada.
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5
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Moussa N, Znegui T, Snoussi M, Gargouri R, Bahloul Z, Abid S, Kammoun S. Recurrent Haemoptysis Revealing Hughes-Stovin Syndrome. Eur J Case Rep Intern Med 2021; 8:002810. [PMID: 34790621 DOI: 10.12890/2021_002810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 08/13/2021] [Indexed: 11/05/2022] Open
Abstract
Hughes-Stovin syndrome is a very rare condition with no defined diagnostic criteria. We present the case of a 26-year-old man who had haemoptysis revealing Hughes-Stovin syndrome. We will consider the aetiology, therapeutic and evolutionary aspects of this disease. LEARNING POINTS Hughes-Stovin syndrome is a very rare disorder of unknown aetiology which can be fatal.It is considered a variant of Behcet's disease.Early diagnosis and treatment improve prognosis.
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Affiliation(s)
- Nedia Moussa
- Pneumology Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Tasnim Znegui
- Pneumology Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Mouna Snoussi
- Internal Medicine Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Rahma Gargouri
- Pneumology Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Zouhaier Bahloul
- Internal Medicine Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Sourour Abid
- Pneumology Department, Hedi Chaker Hospital, Sfax, Tunisia
| | - Samy Kammoun
- Pneumology Department, Hedi Chaker Hospital, Sfax, Tunisia
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Emad Y, Ragab Y, Robinson C, Pankl S, Young P, Fabi M, Bawaskar P, Ibrahim O, Erkan D, Barman B, Tekavec-Trkanjec J, Jayakrishnan B, Kindermann M, Kechida M, Guffroy A, Silva RS, Frikha F, Abou-Zeid A, Hassan M, Farber HW, Abdelbary MH, Tornes L, Margolesky J, El-Shaarawy N, Bennji S, Agarwala MK, Saad A, Amezyane T, Ghirardo S, Cruz V, Niemeyer B, Al-Zeedy K, Al-Jahdali H, Jaramillo N, Demirkan S, Kably I, Kim JT, Rasker JJ. Pulmonary vasculitis in Hughes-Stovin syndrome (HSS): a reference atlas and computed tomography pulmonary angiography guide-a report by the HSS International Study Group. Clin Rheumatol 2021; 40:4993-5008. [PMID: 34533671 PMCID: PMC8599253 DOI: 10.1007/s10067-021-05912-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/11/2021] [Accepted: 09/02/2021] [Indexed: 11/23/2022]
Abstract
Introduction Hughes-Stovin syndrome (HSS) is a systemic vasculitis characterized by widespread venous/arterial thrombosis and pulmonary artery aneurysms (PAAs), which is associated with serious morbidity and mortality. All fatalities reported in HSS resulted from unpredictable fatal suffocating hemoptysis. Therefore, it is necessary to recognize pulmonary complications at an early stage of the disease. Objectives The aims of this study are to develop a reference atlas of images depicting the characteristic features of HSS by computed tomography pulmonary angiography (CTPA). To make a guide for physicians by developing a classification of PAAs according to the severity and risk of complications associated with each distinct lesion type. Methods The Members of the HSS International Study Group (HSSISG) collected 42 cases, with high-quality CTPA images in one radiology station and made reconstructions from the source images. These detailed CTPA studies were reviewed for final image selection and approved by HSSISG board members. We classified these findings according to the clinical course of the patients. Results This atlas describes the CTPA images that best define the wide spectrum of pulmonary vasculitis observed in HSS. Pulmonary aneurysms were classified into six radiographic patterns: from true stable PAA with adherent in-situ thrombosis to unstable leaking PAA, BAA and/or PAP with loss of aneurysmal wall definition (most prone to rupture), also CTPA images demonstrating right ventricular strain and intracardiac thrombosis. Conclusion The HSSISG reference atlas is a guide for physicians regarding the CTPA radiological findings, essential for early diagnosis and management of HSS-related pulmonary vasculitis.
Key Points • The Hughes-Stovin syndrome (HSS) is a systemic vasculitis characterized by extensive vascular thrombosis and pulmonary artery aneurysms (PAAs) that can lead to significant morbidity and mortality. • All fatalities reported in HSS were related to unpredictable massive hemoptysis; therefore, it is critical to recognize pulmonary complications at an early stage of the disease. • The HSS International Study Group reference atlas classifies pulmonary vasculitis in HSS at 6 different stages of the disease process and defines the different radiological patterns of pulmonary vasculitis notably pulmonary artery aneurysms, as detected by computed tomography pulmonary angiography (CTPA). • The main aim of the classification is to make a guide for physicians about this rare syndrome. Such a scheme has never been reached before since the first description of the syndrome by Hughes and Stovin since 1959. This classification will form the basis for future recommendations regarding diagnosis and treatment of this syndrome. |
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Affiliation(s)
- Yasser Emad
- Rheumatology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St., Cairo, 11562, Egypt.
| | - Yasser Ragab
- Radiology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St., Cairo, 11562, Egypt
| | - Cal Robinson
- Department of Paediatrics, Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Sonia Pankl
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB, Buenos Aires, Argentina
| | - Pablo Young
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB, Buenos Aires, Argentina
| | - Marianna Fabi
- Pediatric Cardiology and Adult Congenital Unit, S. Orsola-Malpighi Hospital, University of Bologna, 40138, Bologna, Italy
| | - Parag Bawaskar
- Department of Cardiology, Topiwala National Medical College & B.Y.L Nair Charitable Hospital, Dr. A.L. Nair Road, Mumbai, 400008, Maharashtra, India
| | - Ossama Ibrahim
- Morecambe Bay University Hospitals Lancaster, Ashton Rd., LancashireLancaster, LA1 4RP, UK
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Diseases, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Bhupen Barman
- Department of General Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences (NEIGRIHMS), Mawdiangdiang, Shillong, 793018, Meghalaya, India
| | - Jasna Tekavec-Trkanjec
- Department of Pulmonary Medicine, Dubrava University Hospital, AvenijaGojkaŠuška 6, 10000, Zagreb, Croatia
| | | | - Michael Kindermann
- Innere Medizin III (Kardiologie/Angiologie), Universitätskliniken Des Saarlandes, Kirrberger Straße, 66421, Homburg/Saar, Germany
| | - Melek Kechida
- Internal Medicine and Endocrinology Department, Fattouma Bourguiba University Hospital, University of Monastir, Rue du 1er juin 1955, 5019, Monastir, Tunisia
| | - Aurelien Guffroy
- Service D'immunologieclinique et Médecine Interne, Centre de Référence des Maladies Auto-Immunes Systémiquesrares (RESO), hôpitauxuniversitaires de Strasbourg, nouvelhôpital civil, 67091, Strasbourg, France.,UFR Médecine Strasbourg, Université de Strasbourg, 67000, Strasbourg, France
| | - Rafael S Silva
- Unidad de Enfermedades Respiratorias, Hospital Regional de Talca, Calle 1 Norte 1990, Talca, Chile
| | - Faten Frikha
- Department of Internal Medicine, HediChaker Hospital, 3029, Sfax, Tunisia
| | - Alaa Abou-Zeid
- Public Health Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St., Cairo, 11562, Egypt
| | - Maged Hassan
- Chest Diseases Department, Faculty of Medicine, Alexandria University - Al Kartoom Square, Al Azareta, Alexandria, 21526, Egypt
| | - Harrison W Farber
- Division of Pulmonary, Critical Care and Sleep Medicine, Tufts University School of Medicine, Boston, MA, USA
| | - Mohamed H Abdelbary
- Department of Radiology, Badr Hospital, Faculty of Medicine, Helwan University, Helwan, Egypt
| | - Leticia Tornes
- Department of Neurology, University of Miami Miller School of Medicine, Professional Arts Center, 1150 NW 14th St., Suite 609, Miami, FL, 33136, USA
| | - Jason Margolesky
- Department of Neurology, University of Miami Miller School of Medicine, Professional Arts Center, 1150 NW 14th St., Suite 609, Miami, FL, 33136, USA
| | - Nashwa El-Shaarawy
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Suez Canal University, Ismailia 4.5 Km the Ring Road, Ismailia, 41522, Egypt
| | - Sami Bennji
- Division of Pulmonology, Department of Medicine, Tygerberg Academic Hospital/Stellenbosch University, Francie van Zijl Drive Tygerberg 7505, Cape Town, South Africa
| | - Manoj Kumar Agarwala
- Department of Cardiology, Apollo Hospitals, Jubilee Hills, Hyderabad, 500096, India
| | - Ahmed Saad
- Internal Medicine Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St., Cairo, 11562, Egypt
| | - Taoufik Amezyane
- Department of Internal Medicine, School of Medicine, Mohammed V Military Teaching Hospital, Mohammed V-Souissi University, Rabat, Morocco
| | - Sergio Ghirardo
- Clinical Department of Medical, Surgical and Health Science, University of Trieste, Piazzale Europa, 1, 34127, Trieste, TS, Italy
| | - Vitor Cruz
- Serviço de Reumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Bruno Niemeyer
- Departamento de Radiologia, Instituto Estadual do Cérebro Paulo Niemeyer, R. do Rezende, 156 - Centro, Rio de Janeiro, RJ, 20231-092, Brazil
| | - Khalfan Al-Zeedy
- Department of Medicine, Sultan Qaboos University Hospital, 123, Al-Khoud, Muscat, Oman
| | - Hamdan Al-Jahdali
- Pulmonary Division, Department of Medicine, King Saud University for Health Sciences, King Abdulaziz Medical City, Riyadh, 11426, Saudi Arabia
| | - Natalia Jaramillo
- Cardiology Department, Hospital Puerta de HierroMajadahonda, C/Joaquin Rodrigo 3, 28222, Madrid, Spain
| | - Serkan Demirkan
- Department of Dermatology and Venerology, Faculty of Medicine, Izmir KatipÇelebi University, Karabağlar, Izmir, Turkey
| | - Issam Kably
- Department of Radiology, Section of Vascular and Interventional Radiology, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jung Tae Kim
- Department of Cardiovascular and Thoracic Surgery, Cheonan Chungmu Hospital, 8 Dagamal 3-gil Seobuk-gu, Cheonan-si, Chungcheongnam-do, Republic of Korea
| | - Johannes J Rasker
- Faculty of Behavioral, Management and Social Sciences, Department Psychology, Health and Technology, University of Twente, Drienerlolaan 5, 7522NB, Enschede, The Netherlands
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Emad Y, Ragab Y, Kechida M, Guffroy A, Kindermann M, Robinson C, Erkan D, Frikha F, Ibrahim O, Al-Jahdali H, Silva RS, Tornes L, Margolesky J, Bennji S, Kim JT, Abdelbary M, Fabi M, Hassan M, Cruz V, El-Shaarawy N, Jaramillo N, Khalil A, Demirkan S, Tekavec-Trkanjec J, Elyaski A, de FreitasRibeiro BN, Kably I, Al-Zeedy K, Jayakrishnan B, Ghirardo S, Barman B, Farber HW, Pankl S, Abou-Zeid A, Young P, Amezyane T, Agarwala MK, Bawaskar P, Hawass M, Saad A, Rasker JJ. A critical analysis of 57 cases of Hughes-Stovin syndrome (HSS). A report by the HSS International Study Group (HSSISG). Int J Cardiol 2021; 331:221-229. [PMID: 33529654 DOI: 10.1016/j.ijcard.2021.01.056] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 01/09/2021] [Accepted: 01/15/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Hughes-Stovin syndrome (HSS) is a systemic disease characterized by widespread vascular thrombosis and pulmonary vasculitis with serious morbidity and mortality. The HSS International Study Group is a multidisciplinary taskforce aiming to study HSS, in order to generate consensus recommendations regarding diagnosis and treatment. METHODS We included 57 published cases of HSS (43 males) and collected data regarding: clinical presentation, associated complications, hemoptysis severity, laboratory and computed tomography pulmonary angiography (CTPA) findings, treatment modalities and cause of death. RESULTS At initial presentation, DVT was observed in 29(33.3 %), thrombophlebitis in 3(5.3%), hemoptysis in 24(42.1%), and diplopia and seizures in 1 patient each. During the course of disease, DVT occurred in 48(84.2%) patients, and superficial thrombophlebitis was observed in 29(50.9%). Hemoptysis occurred in 53(93.0%) patients and was fatal in 12(21.1%). Pulmonary artery (PA) aneurysms (PAAs) were bilateral in 53(93%) patients. PAA were located within the main PA in 11(19.3%), lobar in 50(87.7%), interlobar in 13(22.8%) and segmental in 42(73.7%). Fatal outcomes were more common in patients with inferior vena cava thrombosis (p = 0.039) and ruptured PAAs (p < 0.001). Death was less common in patients treated with corticosteroids (p < 0.001), cyclophosphamide (p < 0.008), azathioprine (p < 0.008), combined immune modulators (p < 0.001). No patients had uveitis; 6(10.5%) had genital ulcers and 11(19.3%) had oral ulcers. CONCLUSIONS HSS may lead to serious morbidity and mortality if left untreated. PAAs, adherent in-situ thrombosis and aneurysmal wall enhancement are characteristic CTPA signs of HSS pulmonary vasculitis. Combined immune modulators contribute to favorable outcomes.
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Affiliation(s)
- Yasser Emad
- Rheumatology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt.
| | - Yasser Ragab
- Radiology Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Melek Kechida
- Internal Medicine and Endocrinology Department, Fattouma Bourguiba University Hospital, University of Monastir, Rue du 1er juin 1955, Monastir 5019, Tunisia
| | - Aurelien Guffroy
- Service d'immunologie clinique et médecine interne, centre de référence des maladies auto-immunes systémiques rares (RESO), hôpitaux universitaires de Strasbourg, nouvel hôpital civil, 67091 Strasbourg, France; UFR médecine Strasbourg, université de Strasbourg, 67000 Strasbourg, France
| | - Michael Kindermann
- Innere Medizin III (Kardiologie/Angiologie), Universitätskliniken des Saarlandes, Kirrberger Straße, D 66421 Homburg/Saar, Germany
| | - Cal Robinson
- Department of Pediatrics, McMaster University, Hamilton, ON L8N 3Z5, Canada; Department of Paediatrics, Division of Nephrology, The Hospital for Sick Children, Toronto ON, Canada
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Diseases, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY 10021, USA
| | - Faten Frikha
- Department of Internal Medicine, Hedi Chaker Hospital, 3029 Sfax, Tunisia
| | - Ossama Ibrahim
- Morecambe Bay University Hospitals Lancaster, Lancashire, Ashton Rd, Lancaster LA1 4RP, United Kingdom
| | - Hamdan Al-Jahdali
- Pulmonary Division, Department of Medicine, King Saud University for Health Sciences, King Abdulaziz Medical City, Riyadh 11426, Saudi Arabia
| | - Rafael S Silva
- Unidad de Enfermedades Respiratorias, Hospital Regional de Talca, Calle 1 Norte 1990, Talca, Chile
| | - Leticia Tornes
- University of Miami Miller School of Medicine, Department of Neurology, Professional Arts Center, 1150 NW 14th St, Suite 609, Miami, FL 33136, United States
| | - Jason Margolesky
- University of Miami Miller School of Medicine, Department of Neurology, Professional Arts Center, 1150 NW 14th St, Suite 609, Miami, FL 33136, United States
| | - Sami Bennji
- Division of Pulmonology, Department of Medicine, Tygerberg Academic Hospital/Stellenbosch University, Francie van Zijl Drive Tygerberg 7505, Cape Town, South Africa
| | - Jung Tae Kim
- Department of Cardiovascular and Thoracic Surgery, Cheonan Chungmu Hospital, 8 Dagamal 3-gil Seobuk-gu, Cheonan-si, Chungcheongnam-do, Republic of Korea
| | - Mohamed Abdelbary
- Department of Radiology, Badr Hospital, Helwan University, 11790 Cairo, Egypt
| | - Marianna Fabi
- Pediatric Cardiology and Adult Congenital Unit, S. Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy
| | - Maged Hassan
- Chest Diseases Department, Faculty of Medicine, Alexandria University - Al kartoom square, al Azareta, Alexandria 21526, Egypt
| | - Vitor Cruz
- Serviço de Reumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Nashwa El-Shaarawy
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Suez Canal University,Ismailia 4.5 Km the Ring Road, 41522 Ismailia, Egypt
| | - Natalia Jaramillo
- Cardiology Department, Hospital Puerta de Hierro Majadahonda, C/Joaquin Rodrigo 3, Madrid 28222, Spain
| | - Antoine Khalil
- Radiology Department, Bichat-Claude Bernard Hospital, HUPNVS, APHP, Paris University, 46 rue Henri Huchard, 74018 Paris, United States of America
| | - Serkan Demirkan
- Department of Dermatology and Venerology, Izmir Katip Çelebi University Faculty of Medicine, Karabağlar, Izmir, Turkey
| | - Jasna Tekavec-Trkanjec
- Department of Pulmonary medicine, Dubrava University Hospital, Avenija Gojka Šuška 6, 10000 Zagreb, Croatia
| | - Ahmed Elyaski
- Department of prosthesis and orthosis technology Program, Faculty of Applied Health Sciences, Galala University 43511, Suez Governorate, Suez, Egypt
| | - B N de FreitasRibeiro
- Departamento de Radiologia, Instituto Estadual do Cérebro Paulo Niemeyer, R. do Rezende, 156 - Centro, 20231-092 Rio de Janeiro, RJ, Brazil
| | - Issam Kably
- Department of Radiology, Section of Vascular and Interventional Radiology, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Khalfan Al-Zeedy
- Department of Medicine, Sultan Qaboos University Hospital, 123, Al-Khoud, Muscat, Oman
| | | | - Sergio Ghirardo
- Clinical Department of Medical, Surgical and Health Science, University of Trieste, Piazzale Europa, 1, 34127 Trieste, TS, Italy
| | - Bhupen Barman
- Department of General Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences (NEIGRIHMS), Mawdiangdiang, Shillong 793018, Meghalaya, India
| | - H W Farber
- Tufts University School of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, Boston, MA, United States
| | - Sonia Pankl
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB Buenos Aires, Argentina
| | - Alaa Abou-Zeid
- Public health Department, Faculty of medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Pablo Young
- Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Perdriel 74, C1280 AEB Buenos Aires, Argentina
| | - Taoufik Amezyane
- Department of Internal Medicine, Mohammed V Military Teaching Hospital, Mohammed V-Souissi University, School of Medicine, Rabat, Morocco
| | - Manoj Kumar Agarwala
- Department of Cardiology, Apollo Hospitals, Jubilee Hills, Hyderabad 500096, India
| | - Parag Bawaskar
- Department of Cardiology, Topiwala National Medical College & B.Y.L Nair Charitable Hospital, Dr. A.L. Nair road, Mumbai 400008, Maharashtra, India
| | - Mona Hawass
- Nephrology Department, El Agouza Police Hospital, El Nil St. Agouza, Giza, Governorate, Egypt
| | - Ahmed Saad
- Internal medicine Department, Faculty of Medicine, Cairo University, Kasr Al-Ainy St, 11562 Cairo, Egypt
| | - Johannes J Rasker
- Faculty of Behavioral, Management and Social Sciences, Department Psychology, Health and Technology, University of Twente, Drienerlolaan 5, 7522NB Enschede, the Netherlands
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A case of Hughes–Stovin syndrome (incomplete Behçet’s disease) with extensive arterial involvement. Z Rheumatol 2019; 78:365-371. [DOI: 10.1007/s00393-019-0618-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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9
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Al-Zeedy K, Jayakrishnan B, Rizavi D, Alkaabi J. Hughes-stovin syndrome and massive hemoptysis: a management challenge. Oman Med J 2015; 30:59-62. [PMID: 25830003 DOI: 10.5001/omj.2015.11] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Accepted: 03/01/2014] [Indexed: 11/03/2022] Open
Abstract
Hughes-Stovin syndrome is a very rare clinical entity characterized by pulmonary artery aneurysms and deep vein thrombosis (DVT). Here we report the case of a 53-year-old man, admitted to Sultan Qaboos University Hospital, Muscat, Oman, with bilateral pulmonary artery aneurysms and lower-limb DVT who developed massive hemoptysis. He was managed successfully with high-dose steroids in combination with cyclophosphamide.
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Affiliation(s)
- Khalfan Al-Zeedy
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - B Jayakrishnan
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - Dawar Rizavi
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
| | - Juma Alkaabi
- Department of Medicine, Sultan Qaboos University Hospital, Muscat, Oman
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10
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El Aoud S, Frikha F, Snoussi M, Bahloul Z. Moderate hemoptysis caused by hughes-stovin syndrome. Clin Pract 2014; 4:647. [PMID: 25568765 PMCID: PMC4274483 DOI: 10.4081/cp.2014.647] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 08/06/2014] [Accepted: 08/07/2014] [Indexed: 11/23/2022] Open
Abstract
Hughes and Stovin first reported a syndrome consisting of multiple pulmonary artery aneurysms and venous thrombosis in 1959. Here, we encountered a 42-year old woman who had hemoptysis revealing a Hughes-Stovin syndrome. Helical computed tomography showed multiple pulmonary artery aneurysms with pulmonary thromboembolism. The patient was treated with steroid therapy, cyclophosphamide and anticoagulation with a good response.
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Affiliation(s)
| | - Faten Frikha
- Department of Internal Medicine, Hedi Chaker Hospital, Sfax, Tunisia
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11
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Lee WY, Hoon CS, Kim HR. Massive Hemoptysis Caused by Atypical Behcet's Disease. THE KOREAN JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2014; 47:178-80. [PMID: 24782975 PMCID: PMC4000882 DOI: 10.5090/kjtcs.2014.47.2.178] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 10/14/2013] [Accepted: 10/15/2013] [Indexed: 11/16/2022]
Abstract
Pulmonary and/or bronchial aneurysm with systemic thrombophlebitis can be seen in the case of both Behcet's disease and Hughes-Stovin syndrome. These two diseases may be indistinguishable since the clinical, radiological, and histopathological findings are similar in both cases. In particular, from the perspective of pulmonary involvement, hemoptysis is the leading cause of death in both conditions and is followed by aneurysmal rupture. Here, we report a case in which surgical resection was performed for a patient presenting recurrent hemoptysis as an atypical presentation of Behcet's disease.
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Affiliation(s)
- Won-Young Lee
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Korea
| | - Choi Se Hoon
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Korea
| | - Hyeong Ryul Kim
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Korea
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12
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Geng LN, Conway D, Barnhart S, Nowatzky J. Behcet's disease with major vascular involvement. BMJ Case Rep 2013; 2013:bcr-2013-200893. [PMID: 24214153 DOI: 10.1136/bcr-2013-200893] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 40-year-old Chinese man was admitted for haemoptysis and progressive deep vein thrombosis involving the inferior vena cava (IVC) despite anticoagulation. An IVC filter had been placed earlier at an outside hospital. CT angiography revealed two pulmonary artery aneurysms. The patient was found to have a history of oral and genital ulcers, uveitis and erythema nodosum, thus meeting criteria for Behçet's disease. Other causes of the haemoptysis and thrombophilia were excluded. He underwent successful coil embolisation of the pulmonary artery aneurysms and responded well to immunosuppressive therapy with cyclophosphamide and steroids. Anticoagulation was cautiously continued to limit the long-term risk of secondary thrombosis from his IVC filter. The patient remains well 5 months after initiation of immunosuppressive therapy. Making a diagnosis of Behçet's disease in the setting of thrombosis is crucial, as treatment must include immunosuppression, and, thus, fundamentally differs from the management of most other thrombotic disorders.
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Affiliation(s)
- Linda N Geng
- School of Medicine, University of Washington, Seattle, Washington, USA
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13
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Abstract
Hughes-Stovin Syndrome (HSS) is a very rare clinical disorder characterized by thrombophlebitis and multiple pulmonary and/or bronchial aneurysms. Less than 40 published cases of HSS have been described in English medical literature so far. The exact etiology and pathogenesis of HSS is unknown; possible causes include infections and angiodysplasia. HSS has also been considered as a variant of Behcet's disease (BD). Patients with HSS usually present with cough, dyspnea, fever, chest pain and haemoptysis. The management of HSS can either be medical or surgical. Medical management includes the use of steroids and cytotoxic agents. Cyclophosphamide, in particular, is a favored therapeutic agent in this regard. Antibiotics have no proven role in HSS while anticoagulants and thombolytic agents are generally contraindicated due to an increased risk of fatal hemorrhage. However, their use may be considered with great care under special circumstances, for instance, intracardiac thrombi or massive pulmonary embolism. For cases of massive hemoptysis due to large pulmonary aneurysms or those with lesions confined to one segment or one lung, lobectomy or pneumectomy can be carried out. However, surgical risks merit serious consideration and must be discussed with the patient. Transcatheter arterial embolization has emerged as a less invasive alternative to surgery in selected cases of HSS. Overall, patients with HSS have a poor prognosis and aneurysmal rupture is the leading cause of death. However, early diagnosis and timely intervention is crucial in improving the prognosis. There is a need to clearly elucidate the genetic, etiologic and pathologic basis for HSS in the future. Although most of the evidence put forward to refute the role of an infectious agent in the etiology and pathogenesis of HSS is based on negative blood and other body fluid cultures, more robust objective assessment is needed through the use of electron microscopy or 16 sRNA studies. The development of better therapeutic agents is also needed to address and prevent the serious consequences arising from pulmonary arterial aneurysms seen in BD and HSS. Also, the issue of anticoagulation in these patients is challenging and requires further deliberation.
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Affiliation(s)
- Umair Khalid
- Medical College, Aga Khan University, Stadium Road, Karachi 74800, Pakistan
| | - Taimur Saleem
- Medical College, Aga Khan University, Stadium Road, Karachi 74800, Pakistan
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