1
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Iriarte C, Yeh JE, Alloo A, Boull C, Carlberg VM, Coughlin CC, Lara-Corrales I, Levy R, Nguyen CV, Oza VS, Patel AB, Rotemberg V, Shah SD, Zheng L, Miller CH, Hlobik M, Daigneault J, Choi JN, Huang JT, Vivar KL. Mucocutaneous toxicities from MEK inhibitors: a scoping review of the literature. Support Care Cancer 2024; 32:610. [PMID: 39174797 DOI: 10.1007/s00520-024-08810-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 08/13/2024] [Indexed: 08/24/2024]
Abstract
BACKGROUND MEK inhibitors cause a wide spectrum of mucocutaneous toxicities which can delay or interrupt life-saving therapy. PURPOSE To summarize the morphology, incidence, and clinical presentation of mucocutaneous toxicities from MEK inhibitors via a scoping review of the literature. METHODS We conducted a scoping review of the published literature, including clinical trials, retrospective and prospective studies, reviews, and case reports and series. All included literature was analyzed by a panel of pediatric and adult oncodermatologists. RESULTS Of 1626 initial citations, 227 articles met final inclusion criteria. Our review identified follicular reactions, ocular toxicities, xerosis, eczematous dermatitis, edema, and paronychia as the most common mucocutaneous side effects from MEK inhibitor therapy. Grade 1 and 2 reactions were the most prevalent and were typically managed while continuing treatment; however, grade 3 toxicities requiring dose reductions or treatment interruptions were also reported. CONCLUSION Mucocutaneous toxicities to MEK inhibitor therapy are common and most often mild in severity. Early recognition and treatment can mitigate disruptions in oncologic therapy.
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Affiliation(s)
- Christopher Iriarte
- Department of Dermatology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Gryzmish 522, Boston, MA, 02215, USA.
- Department of Dermatology, Harvard Medical School, Boston, MA, USA.
| | - Jennifer E Yeh
- Department of Dermatology, Stanford University School of Medicine, Redwood City, CA, USA
| | - Allireza Alloo
- Department of Dermatology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
| | - Christina Boull
- Department of Dermatology, University of Minnesota, Minneapolis, MN, USA
| | - Valerie M Carlberg
- Department of Dermatology, Medical College of Wisconsin, Milwaukee, WI, USA
- Children's Wisconsin, Milwaukee, WI, USA
| | - Carrie C Coughlin
- Division of Dermatology, Departments of Medicine and Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Irene Lara-Corrales
- Division of Dermatology, Hospital for Sick Children, Toronto, ON, Canada
- University of Toronto, Toronto, ON, Canada
| | - Rebecca Levy
- Division of Dermatology, Hospital for Sick Children, Toronto, ON, Canada
- University of Toronto, Toronto, ON, Canada
| | - Cuong V Nguyen
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Vikash S Oza
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, NY, USA
| | - Anisha B Patel
- Department of Dermatology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- University of Texas Health Science Center- Houston, Houston, TX, USA
| | - Veronica Rotemberg
- Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sonal D Shah
- Department of Dermatology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
- School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Lida Zheng
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Corinne H Miller
- Galter Health Sciences Library and Learning Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Madeline Hlobik
- Dermatology Section, Division of Immunology, Boston Children's Hospital, Boston, MA, USA
| | - Jaclyn Daigneault
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jennifer N Choi
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Robert H. Lurie Comprehensive Cancer Center, Chicago, IL, USA
| | - Jennifer T Huang
- Department of Dermatology, Harvard Medical School, Boston, MA, USA
- Dermatology Section, Division of Immunology, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Karina L Vivar
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Division of Pediatric Dermatology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
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2
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Zhang E, Virk ZM, Rodriguez-Lopez J, Al-Samkari H. Hereditary hemorrhagic telangiectasia may be the most morbid inherited bleeding disorder in women. Blood Adv 2024; 8:3166-3172. [PMID: 38593443 PMCID: PMC11225659 DOI: 10.1182/bloodadvances.2023011961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 03/28/2024] [Accepted: 03/29/2024] [Indexed: 04/11/2024] Open
Abstract
ABSTRACT Hereditary hemorrhagic telangiectasia (HHT) is the second-most common inherited bleeding disorder (BD) worldwide and remains without approved therapies. HHT causes serious mucosal bleeding resulting in severe iron-deficiency anemia, major psychosocial complications, and visceral arteriovenous malformations in the brain, lung, and liver, which can cause life-threatening hemorrhagic complications. No study has examined the relative morbidity of HHT and von Willebrand disease (VWD), which is the most common inherited BD in women. We performed an observational cohort study of women with HHT or VWD, comparing a representative sample of 100 randomly selected women with HHT to 100 randomly selected age-matched women with VWD. In HHT vs VWD, recurrent epistaxis and gastrointestinal bleeding were more likely (odds ratio [OR], 32.73 [95% confidence interval, 13.81-71.80]; P < .0001 and 5.69 [2.59-12.89]; P < .0001) and heavy menstrual bleeding was less likely (OR, 0.32 [0.18-0.57]; P < .0001). Iron-deficiency anemia was significantly more likely, and the lowest hemoglobin was significantly lower in HHT than in VWD. The odds of iron infusion dependence, requirement for red cell transfusion, and hemostatic surgical procedures were significantly higher-17-fold, threefold, and eightfold higher, respectively-and hospital admissions to manage disease complications were both ∼14 times more frequent in women with HHT vs those with VWD. In conclusion, much higher disease-related morbidity, mortality, and health care use were observed in women with HHT vs VWD, providing evidence that HHT may be the most clinically significant inherited BD in women. Given the vast gap in research funding for HHT compared with both hemophilia (a disease primarily of men) and VWD, these findings have significant implications for gender equity in hematology.
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Affiliation(s)
- Ellen Zhang
- Department of Medicine, Stanford University Medical Center, Palo Alto, CA
| | - Zain M. Virk
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Josanna Rodriguez-Lopez
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Medical School, Boston, MA
| | - Hanny Al-Samkari
- Harvard Medical School, Boston, MA
- Division of Hematology Oncology, Massachusetts General Hospital, Boston, MA
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3
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Mansur A, Radovanovic I. Defining the Role of Oral Pathway Inhibitors as Targeted Therapeutics in Arteriovenous Malformation Care. Biomedicines 2024; 12:1289. [PMID: 38927496 PMCID: PMC11201820 DOI: 10.3390/biomedicines12061289] [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: 04/15/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Arteriovenous malformations (AVMs) are vascular malformations that are prone to rupturing and can cause significant morbidity and mortality in relatively young patients. Conventional treatment options such as surgery and endovascular therapy often are insufficient for cure. There is a growing body of knowledge on the genetic and molecular underpinnings of AVM development and maintenance, making the future of precision medicine a real possibility for AVM management. Here, we review the pathophysiology of AVM development across various cell types, with a focus on current and potential druggable targets and their therapeutic potentials in both sporadic and familial AVM populations.
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Affiliation(s)
- Ann Mansur
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Laboratory Medicine and Pathobiology, School of Graduate Studies, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Ivan Radovanovic
- Division of Neurosurgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Laboratory Medicine and Pathobiology, School of Graduate Studies, University of Toronto, Toronto, ON M5S 1A8, Canada
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, Toronto, ON M5T 2S8, Canada
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4
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Casini A, Al-Samkari H, Hayward C, Peyvandi F. Rare bleeding disorders: Advances in management. Haemophilia 2024; 30 Suppl 3:60-69. [PMID: 38494995 DOI: 10.1111/hae.14986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/19/2024]
Abstract
Inherited factor coagulation deficiencies and vascular bleeding disorders, associated with bleeding of various severity, are often classified as rare bleeding disorders (RBDs). These include inherited fibrinogen disorders, inherited platelet function disorders (IPFD) and hereditary haemorrhagic telangiectasia (HHT). In the last decades, there have been large increases in knowledge on the epidemiology, genetics, physiopathology, clinical features, and diagnosis of RBDs, but improvements in management have been more limited and remain challenging. The treatment mainstay of RBDs is based only on replacement of a few available coagulation factor concentrates or cryoprecipitates. There is growing interest in therapeutic agents that enhance coagulation or inhibiting anticoagulant pathways in RBDs. In severe IPFD, the optimal platelet transfusion strategy is not yet established. Moreover, data is scarce on the effectiveness and safety of desmopressin and/or antifibrinolytic drugs often used for milder IPFD treatment. The best fibrinogen replacement strategy (prophylaxis vs. on demand) in afibrinogenemia is still debated. Similarly, the optimal trough fibrinogen target level for treatment of acute bleeding, and the role of fibrinogen replacement during pregnancy in mild hypofibrinogenemia and dysfibrinogenemia, have not been properly evaluated. The therapeutic arsenal in HHT includes antifibrinolytics and a series of antiangiogenic agents whose potential efficacy has been tested in small studies or are under investigation for treatment of bleeding. However, there is need to address several issues, including the optimal dosing strategies, the potential emergent toxicity of longer-term use, and the impact of systemic antiangiogenic treatment on visceral arteriovenous malformations.
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Affiliation(s)
- Alessandro Casini
- Division of Angiology and Hemostasis, University Hospitals of Geneva and Faculty of Medicine of Geneva, Geneva, Switzerland
| | - Hanny Al-Samkari
- Division of Hematology Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Catherine Hayward
- Departments of Pathology and Molecular Medicine, and Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Flora Peyvandi
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
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5
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Ricci K. Medical Therapeutics for the Treatment of Vascular Anomalies: Part 3. Oral Maxillofac Surg Clin North Am 2024; 36:125-136. [PMID: 37872048 DOI: 10.1016/j.coms.2023.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
The discovery of inherited and somatic genetic mutations, along with advancements in clinical and scientific research, has improved the understanding of vascular anomalies and changed the treatment paradigm. With the aim of minimizing the need for invasive procedures and improving disease outcomes, molecularly targeted medications and anti-angiogenesis agents have become important as both adjuncts to surgery, and increasingly, as the primary treatment of vascular anomalies. This article highlights the commonly used and emerging therapeutic medications for nonmalignant vascular tumors and vascular malformations.
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Affiliation(s)
- Kiersten Ricci
- Division of Hematology, Cancer and Blood Diseases Institute, Hemangioma and Vascular Malformation Center, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, MLC 7015, Cincinnati, OH 45229, USA; University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267-0558, USA.
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6
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Seebauer CT, Wiens B, Hintschich CA, Platz Batista da Silva N, Evert K, Haubner F, Kapp FG, Wendl C, Renner K, Bohr C, Kühnel T, Vielsmeier V. Targeting the microenvironment in the treatment of arteriovenous malformations. Angiogenesis 2024; 27:91-103. [PMID: 37733132 PMCID: PMC10881762 DOI: 10.1007/s10456-023-09896-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/04/2023] [Indexed: 09/22/2023]
Abstract
Extracranial arteriovenous malformations (AVMs) are regarded as rare diseases and are prone to complications such as pain, bleeding, relentless growth, and high volume of shunted blood. Due to the high vascular pressure endothelial cells of AVMs are exposed to mechanical stress. To control symptoms and lesion growth pharmacological treatment strategies are urgently needed in addition to surgery and interventional radiology. AVM cells were isolated from three patients and exposed to cyclic mechanical stretching for 24 h. Thalidomide and bevacizumab, both VEGF inhibitors, were tested for their ability to prevent the formation of circular networks and proliferation of CD31+ endothelial AVM cells. Furthermore, the effect of thalidomide and bevacizumab on stretched endothelial AVM cells was evaluated. In response to mechanical stress, VEGF gene and protein expression increased in patient AVM endothelial cells. Thalidomide and bevacizumab reduced endothelial AVM cell proliferation. Bevacizumab inhibited circular network formation of endothelial AVM cells and lowered VEGF gene and protein expression, even though the cells were exposed to mechanical stress. With promising in vitro results, bevacizumab was used to treat three patients with unresectable AVMs or to prevent regrowth after incomplete resection. Bevacizumab controlled bleeding, pulsation, and pain over the follow up of eight months with no patient-reported side effects. Overall, mechanical stress increases VEGF expression in the microenvironment of AVM cells. The monoclonal VEGF antibody bevacizumab alleviates this effect, prevents circular network formation and proliferation of AVM endothelial cells in vitro. The clinical application of bevacizumab in AVM treatment demonstrates effective symptom control with no side effects.
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Affiliation(s)
- Caroline T Seebauer
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany.
| | - Benedikt Wiens
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Constantin A Hintschich
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | | | - Katja Evert
- Institute of Pathology, University of Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Frank Haubner
- Department of Otorhinolaryngology, Ludwig Maximilian University of Munich, Marchioninistr. 15, 81377, Munich, Germany
| | - Friedrich G Kapp
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center, University of Freiburg, Heiliggeiststr. 1, 79106, Freiburg im Breisgau, Germany
| | - Christina Wendl
- Institute of Radiology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Kathrin Renner
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Christopher Bohr
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Thomas Kühnel
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
| | - Veronika Vielsmeier
- Department of Otorhinolaryngology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Germany
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7
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Klein SD, Nisbet A, Kalish JM. Overgrowth syndromes, diagnosis and management. Curr Opin Pediatr 2023; 35:620-630. [PMID: 37791807 PMCID: PMC10872759 DOI: 10.1097/mop.0000000000001298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
PURPOSE OF REVIEW This review will focus on the current knowledge of the diagnosis and management of overgrowth syndromes with specific focus on mosaic conditions and treatment strategies. RECENT FINDINGS With the implementation of massively parallel sequencing, the genetic etiology of many classically described overgrowth syndromes have been identified. More recently, the role of mosaic genetic changes has been well described in numerous syndromes. Furthermore, the role of imprinting and methylation, especially of the 11p15 region, has been shown to be instrumental for growth. Perhaps most importantly, many overgrowth syndromes carry an increased risk of neoplasm formation especially in the first 10 years of life and possibly beyond. The systematic approach to the child with overgrowth will aide in timely diagnosis and efficiently align them with appropriate screening strategies. In some cases, precision medical interventions are available to target the perturbed growth signaling pathways. SUMMARY The systematic approach to the child with overgrowth aids in the standardization of the diagnostic pathway for these young patients, thereby expediting the diagnostic timeline, enabling rigorous monitoring, and delivering tailored therapeutic interventions.
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Affiliation(s)
- Steven D. Klein
- Division of Human Genetics, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Alex Nisbet
- Division of Human Genetics, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Jennifer M. Kalish
- Division of Human Genetics, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine, Philadelphia, PA 19104, USA
- Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Genetics, Perelman School of Medicine, Philadelphia, PA 19104, USA
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8
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Wu JL, Zhao ZZ, Chen J, Zhang HW, Luan Z, Li CY, Zhao YM, Jing YJ, Wang SF, Sun G. Hereditary hemorrhagic telangiectasia involving portal venous system: A case report and review of the literature. World J Gastrointest Surg 2023; 15:2367-2375. [PMID: 37969701 PMCID: PMC10642469 DOI: 10.4240/wjgs.v15.i10.2367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/02/2023] [Accepted: 08/15/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant genetic disorder with an incidence of approximately 1 in 5000 in the general population. It is characterized by vasodilation, which affects specific organs, such as the skin, mucous membranes, brain, lungs, gastrointestinal tract, liver, and others. However, HHT rarely involves the portal venous system to cause serious clinical complications. CASE SUMMARY A 68-year-old woman was admitted to the emergency department due to four consecutive days of abdominal pain and bloody stool and was subsequently diagnosed with HHT. Computed tomography angiography confirmed the presence of an arteriovenous fistula (AVFs). Considering this specific manifestation, whole exome sequencing was performed. After a comprehensive evaluation, a selective superior mesenteric artery embolization was prioritized to avoid intestinal ischemia. The postoperative symptoms of the patient were quickly relieved. Unfortunately, two months post-procedure the patient died from intestinal necrosis and abdominal infection related to remaining AVFs. CONCLUSION For patients with diffuse superior mesenteric AVFs, selective mesenteric arterial embolization may lead to positive short-term outcomes.
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Affiliation(s)
- Jun-Ling Wu
- Medical School of Chinese PLA, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhi-Zhuang Zhao
- Department of Geriatrics, Hainan Hospital of PLA General Hospital, Sanya 572013, Hainan Province, China
| | - Jun Chen
- Medical School of Chinese PLA, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Han-Wen Zhang
- Medical School of Chinese PLA, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhe Luan
- Medical School of Chinese PLA, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Cong-Yong Li
- Department of Sixth Health Care, Second Medical Center of PLA General Hospital, Beijing 100853, China
| | - Yi-Ming Zhao
- Department of Gastroenterology and Hepatology, Hainan Hospital of PLA General Hospital, Sanya 572013, Hainan Province, China
| | - Yu-Jia Jing
- Medical School of Chinese PLA, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Shu-Fang Wang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Gang Sun
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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9
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Sudduth CL, Smits PJ, Vivero MP, Cheng YS, Ad M, Konczyk DJ, Bischoff J, Warman ML, Greene AK. Arteriovenous malformation Map2k1 mutation affects vasculogenesis. Sci Rep 2023; 13:11074. [PMID: 37422456 PMCID: PMC10329712 DOI: 10.1038/s41598-023-35301-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 05/16/2023] [Indexed: 07/10/2023] Open
Abstract
Somatic activating MAP2K1 mutations in endothelial cells (ECs) cause extracranial arteriovenous malformation (AVM). We previously reported the generation of a mouse line allowing inducible expression of constitutively active MAP2K1 (p.K57N) from the Rosa locus (R26GT-Map2k1-GFP/+) and showed, using Tg-Cdh5CreER, that EC expression of mutant MAP2K1 is sufficient for the development of vascular malformations in the brain, ear, and intestines. To gain further insight into the mechanism by which mutant MAP2K1 drives AVM development, we induced MAP2K1 (p.K57N) expression in ECs of postnatal-day-1 pups (P1) and investigated the changes in gene expression in P9 brain ECs by RNA-seq. We found that over-expression of MAP2K1 altered the transcript abundance of > 1600 genes. Several genes had > 20-fold changes between MAP2K1 expressing and wild-type ECs; the highest were Col15a1 (39-fold) and Itgb3 (24-fold). Increased expression of COL15A1 in R26GT-Map2k1-GFP/+; Tg-Cdh5CreER+/- brain ECs was validated by immunostaining. Ontology showed that differentially expressed genes were involved in processes important for vasculogenesis (e.g., cell migration, adhesion, extracellular matrix organization, tube formation, angiogenesis). Understanding how these genes and pathways contribute to AVM formation will help identify targets for therapeutic intervention.
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Affiliation(s)
- Christopher L Sudduth
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Patrick J Smits
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Matthew P Vivero
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Yu Sheng Cheng
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Michal Ad
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Dennis J Konczyk
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA
| | - Joyce Bischoff
- Vascular Biology Program, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Matthew L Warman
- Department of Orthopedic Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Arin K Greene
- Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, 300 Longwood Ave., Boston, MA, 02115, USA.
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10
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Litsou E, Basiari L, Tsirves G, Psychogios GV. Hereditary Hemorrhagic Telangiectasia With Multiple Ear, Nose, and Throat (ENT) Manifestations: A Case Report. Cureus 2023; 15:e42706. [PMID: 37654935 PMCID: PMC10467641 DOI: 10.7759/cureus.42706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2023] [Indexed: 09/02/2023] Open
Abstract
Hereditary hemorrhagic telangiectasia (HHT), also known as Rendu-Osler-Weber syndrome, is a rare autosomal dominant multisystem disorder. It is a mucocutaneous and fibrovascular dysplasia, the diagnosis of which is based on the fulfillment of the four Curaçao criteria: 1) recurrent epistaxis; 2) dermatovascular mucosal telangiectasias at characteristic sites: skin of the face, ears, fingertips, lips, tongue, and oral and nasal cavity; 3) arteriovenous malformations (AVMs) of visceral organs and central nervous system; and 4) family history: diagnosis of HHT in a first-degree relative. We describe a case of a 76-year-old patient who presented to our department with clinical manifestations of HHT in the skin (face, fingertips), lips, hard palate, tongue, ears, and nasal cavities. Individual and family history was obtained, as well as clinical laboratory examination, pan-endoscopy of the ear, nose, and throat (ENT) systems, and treatment of active foci of bleeding from the above areas. The otolaryngologist may be the first doctor to suspect Rendu-Osler-Weber syndrome and the one responsible for treating patients with HHT since recurrent epistaxis is the most frequent (90-96% of patients) and the earlier manifestation of the disease and the main reason for the arrival of these patients in the Emergency Department. The purpose of this study is to present a clinical case of Rendu-Osler-Weber syndrome with multiple ENT manifestations, as well as a review of the literature on their management and treatment.
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Affiliation(s)
- Eleni Litsou
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital of Ioannina, Ioannina, GRC
| | - Lentiona Basiari
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital of Ioannina, Ioannina, GRC
| | - Georgios Tsirves
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital of Ioannina, Ioannina, GRC
| | - Georgios V Psychogios
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital of Ioannina, Ioannina, GRC
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11
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Zhang E, Virk ZM, Rodriguez-Lopez J, Al-Samkari H. Anticoagulation and antiplatelet therapy in hereditary hemorrhagic telangiectasia: A scoping review. Thromb Res 2023; 226:150-155. [PMID: 37163869 PMCID: PMC10205693 DOI: 10.1016/j.thromres.2023.04.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/02/2023] [Accepted: 04/19/2023] [Indexed: 05/12/2023]
Abstract
INTRODUCTION Data describing safety and tolerability of anticoagulation and antiplatelet therapy in hereditary hemorrhagic telangiectasia (HHT), the second-most-common inherited bleeding disorder, is limited. METHODS We performed a scoping review, searching MEDLINE and EMBASE from inception to March 2023 for eligible studies reporting detailed clinical data describing antithrombotic use in HHT. Data extracted included study design, patient population, and characteristics and outcomes of antithrombotic therapy. RESULTS Of 625 unique manuscripts identified through database search, 77 were included: 64 case reports/case series describing 65 patients and 13 cohort studies. Data were extracted on a total of 466 patients with HHT, covering 587 episodes of antithrombotic therapy. The most common reasons for antithrombotic therapy were venous thromboembolism (VTE) (44.6 %), atrial arrhythmias (17.8 %) and stroke (10.5 %). anticoagulation was used in in 356 episodes (61.9 %), antiplatelet therapy in 140 episodes (24.3 %), and both together in 50 episodes (8.7 %). Complications of therapy included worsened HHT-associated bleeding (primarily epistaxis and gastrointestinal bleeding) in 198 antithrombotic treatment episodes (38.9 %) and premature antithrombotic therapy discontinuation in 142 episodes (28.9 %). Bleeding-directed therapy (local ablative therapy and systemic therapies) were employed to address worsening bleeding in 14.6 % of episodes. No specific complications of therapy were reported in 322 total antithrombotic events (58.4 %). Rates of bleeding (8.3 % to 80 %), therapy discontinuation (14.3 % to 57.1 %), and other complications ranged considerably from study to study. CONCLUSION Current publications vary widely on the outcomes and tolerability of antithrombotics in HHT, but confirm the clinical challenge of adequate antithrombotic therapy in this population. More formal studies are needed to better guide optimal antithrombotic use in HHT.
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Affiliation(s)
- Ellen Zhang
- Harvard Medical School, Boston, MA, United States of America
| | - Zain M Virk
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Josanna Rodriguez-Lopez
- Harvard Medical School, Boston, MA, United States of America; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA, United States of America
| | - Hanny Al-Samkari
- Harvard Medical School, Boston, MA, United States of America; Division of Hematology, Massachusetts General Hospital, Boston, MA, United States of America.
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Liu J, Duan X, Yin J, Yang H, He R, Zhao S. Effective long-term sirolimus treatment in hypoxemia mainly due to intrapulmonary right-to-left shunt in a patient with multiple vascular anomalies. Orphanet J Rare Dis 2023; 18:124. [PMID: 37226169 DOI: 10.1186/s13023-023-02732-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 05/14/2023] [Indexed: 05/26/2023] Open
Abstract
Pulmonary arteriovenous malformations (PAVMs), particularly where feeding artery/arteries to PAVMs ≥ 3 mm can be treated with embolization. The treatment for hypoxemia resulting from multiple small or diffuse PAVMs remains unclear.We report a girl aged 5 years and 10 months presented with cyanosis and decreased activity after exercise (83-85% of pulse oxygen saturation, SpO2). She had 1 skin lesion on her face and 1 suspected hemangioma on her left upper extremity at birth and that gradually disappeared spontaneously. Physical examination revealed clubbed fingers, and abundant vascular networks on her back. Contrast-enhanced lung CT (slice thickness:1.25 mm) with vascular three-dimensional reconstruction and abdominal CT revealed increased bronchovascular bundles, increased diameter of the pulmonary artery and ascending aorta, and intrahepatic portosystemic venous shunts due to patent ductus venosus. Echocardiography revealed increased diameter of aortic and pulmonary artery. Transthoracic contrast echocardiography was highly positive (bubble appearing in the left ventricle after 5 cardiac cycles). Abdominal doppler ultrasound revealed hepatic-portal venous shunt. Magnetic resonance imaging, artery and vein of the brain revealed multiple malformations of venous sinuses. The patient received sirolimus for 2 years and 4 months. Her condition improved significantly. SpO2 gradually increased to 98%. Her finger clubbing gradually normalized.Our report implicates sirolimus might be a potential treatment option in persistent hypoxemia mainly due to intrapulmonary right-to-left shunt even small multiple or diffusive PAVMs in pediatric patients with multiple cutaneous and visceral vascular anomalies.
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Affiliation(s)
- Jinrong Liu
- Department of Respiratory Medicine, National Clinical Research Center of Respiratory Disease, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Xiaomin Duan
- Imaging Center, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Jie Yin
- Imaging Center, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Haiming Yang
- Department of Respiratory Medicine, National Clinical Research Center of Respiratory Disease, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Ruxuan He
- Department of Respiratory Medicine, National Clinical Research Center of Respiratory Disease, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Shunying Zhao
- Department of Respiratory Medicine, National Clinical Research Center of Respiratory Disease, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China.
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Kroll CJ, Kroll MH. Thrombosis in hereditary hemorrhagic telangiectasia. JOURNAL OF THROMBOSIS AND HAEMOSTASIS : JTH 2023; 21:18-20. [PMID: 36695382 DOI: 10.1016/j.jtha.2022.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/02/2022] [Indexed: 01/11/2023]
Affiliation(s)
- Caleb J Kroll
- Section of Benign Hematology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Michael H Kroll
- Section of Benign Hematology, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
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Virk ZM, Zhang E, Rodriguez-Lopez J, Witkin A, Wong AK, Luther J, Lin AE, Ning M, Grabowski E, Holbrook EH, Al-Samkari H. Safety, tolerability, and effectiveness of anticoagulation and antiplatelet therapy in hereditary hemorrhagic telangiectasia. J Thromb Haemost 2023; 21:26-36. [PMID: 36695393 PMCID: PMC10082473 DOI: 10.1016/j.jtha.2022.09.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/11/2022] [Accepted: 09/29/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Antithrombotic therapy (anticoagulation and antiplatelet therapy) is frequently needed in patients with hereditary hemorrhagic telangiectasia (HHT); however, data describing and guiding its use are very limited. OBJECTIVES To investigate the safety, tolerability, and effectiveness of antithrombotic therapy in HHT in a cohort large enough to compare agents, evaluate for baseline predictors of premature discontinuation, and evaluate hematologic support requirements and healthcare utilization before and after antithrombitc therapy initiation. METHODS We performed a multicenter observational cohort study characterizing the outcomes of antithrombic therapy in adults with HHT. RESULTS A total of 119 patients with HHT with 187 discrete antithrombotic therapy episodes were included. Of these, 59 patients (50%) dose-reduced and/or prematurely discontinued therapy (including 52 patients [44%] who discontinued) due to worsened bleeding complications. Initiation at reduced dose intensity had a similar premature discontinuation rate (49%) as initiation at standard dose intensity (43%). In a multivariable logistic model, a history of gastrointestinal bleeding was associated with 3.25-fold odds of discontinuation (p = .001). Hemoglobin was significantly lower (10.8 g/dL vs 12.2 g/dL, p < .001), and the need for hematologic support (intravenous iron and/or red blood cell transfusion) was significantly higher (29 patients vs 12 patients, p = .004) in the 3 months after antithrombotic therapy initiation vs the 3 months before; emergency department visits and hospital admissions due to bleeding also increased. The rates of dose-reduction and/or premature discontinuation were similar regardless of the anticoagulant class (warfarin, 46%; heparin-based, 48%; direct oral anticoagulants, 44%) or with multiple simultaneous agents (44%) but were slightly lower with single-agent antiplatelet therapy (37%). Thromboembolism despite receiving antithrombotic therapy was common (18 patients, 15%) with varying outcomes. CONCLUSION Antithrombotic therapy is challenging in HHT, resulting in objectively higher morbidity and health care utilization from worsened bleeding. Discontinuation rates approached 50% regardless of the dose intensity at initiation or type of antithrombotic agent used and were higher in patients with a gastrointestinal bleeding history.
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Affiliation(s)
- Zain M Virk
- Division of Hematology Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Ellen Zhang
- Harvard Medical School, Boston, Massachusetts, USA
| | - Josanna Rodriguez-Lopez
- Harvard Medical School, Boston, Massachusetts, USA; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Alison Witkin
- Harvard Medical School, Boston, Massachusetts, USA; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Alexandra K Wong
- Harvard Medical School, Boston, Massachusetts, USA; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jay Luther
- Harvard Medical School, Boston, Massachusetts, USA; Division of Gastroenterology and Hepatology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Angela E Lin
- Harvard Medical School, Boston, Massachusetts, USA; Medical Genetics, Department of Pediatrics, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - MingMing Ning
- Harvard Medical School, Boston, Massachusetts, USA; Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Eric Grabowski
- Harvard Medical School, Boston, Massachusetts, USA; Division of Pediatric Hematology Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Eric H Holbrook
- Harvard Medical School, Boston, Massachusetts, USA; Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear Institute, Boston, Massachusetts, USA
| | - Hanny Al-Samkari
- Division of Hematology Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA.
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Liu J, Luo M, Lv S, Tao S, Wu Z, Yu L, Lin D, Huang L, Wu L, Liao X, Zi J, Lai X, Yuan Y, Zhang W, Yang L. Case Report: Reversible Hyperglycemia Following Rapamycin Treatment for Atypical Choroid Plexus Papilloma in an Infant. Front Endocrinol (Lausanne) 2022; 13:865913. [PMID: 35865311 PMCID: PMC9294177 DOI: 10.3389/fendo.2022.865913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/11/2022] [Indexed: 12/16/2022] Open
Abstract
In this study, atypical choroid plexus papilloma was treated with high-dose rapamycin for 17 days preoperatively in an infant. Rapamycin significantly reduced the blood supply to the tumor while reducing the tumor volume, and most of the tumor was resected successfully. However, the infant developed hyperglycemia related to the rapamycin dose, which was effectively controlled by adjusting the dose and applying insulin.
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Affiliation(s)
- Jiale Liu
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Minjie Luo
- Department of Pediatric Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Siyuan Lv
- Department of Pediatric Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shaohua Tao
- Department of Pediatric Intensive Care Unit, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Zhu Wu
- Department of Pediatric Intensive Care Unit, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Lihua Yu
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Danna Lin
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Lulu Huang
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Li Wu
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xu Liao
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Juan Zi
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaorong Lai
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yuting Yuan
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Wangming Zhang
- Department of Pediatric Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Wangming Zhang, ; Lihua Yang,
| | - Lihua Yang
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Wangming Zhang, ; Lihua Yang,
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