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https://www.readbyqxmd.com/read/28737200/-recurrent-respiratory-papillomatosis-in-a-pediatric-patient-case-report
#1
Felipe M Benavente, Marcelo Contreras, Giancarlo Perferi, Chiara Azzari, Mariela Muñoz, Jaime Inostroza
Genetic variability related to the host immune system has been proposed as one of the most influential factors in the development of diseases caused by HPV. CLINICAL CASE: We report the case of a 5-year-old child in whom chronic laryngeal papillomatosis, probably acquired vertically during labor, was detected. The diagnosis of laryngeal papillomatosis was confirmed with a biopsy after a first surgery to remove the papillomas. The Derkay classification system was used to assess the severity of papillomatosis...
June 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28727989/oral-papillomatosis-in-immunocompromised-patients-a-case-series-of-kidney-transplant-recipients-and-myelodysplastic-syndrome
#2
Eun-Jung Kwak, Yun Hee Choi, Wonse Park, Eunae Sandra Cho
Solitary papilloma is a human papillomavirus (HPV)-induced benign indolent epithelial tumor with limited growth, whereas papillomatosis is an entirely different entity. Papillomatosis requires attention because of its aggressive and recurrent clinical progress with risks of dysplastic and malignant transformation. Recurrent respiratory papillomatosis (RRP) has a high prevalence of dysplasia and reports of transformation to carcinoma-ex-papillomatosis, especially when associated with low-risk HPV type 11. Although papillomatosis seldom occurs in the oral cavity, this report describes 3 cases of oral papillomatosis in immunocompromised patients, with 1 case identified as having HPV type 11...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28714564/laryngeal-distribution-of-recurrent-respiratory-papillomatosis-in-a-previously-untreated-cohort
#3
Peter A Benedict, Ryan Ruiz, MiJin Yoo, Avanti Verma, Omar H Ahmed, Binhuan Wang, Gregory R Dion, Andrew Voigt, Albert Merati, Clark A Rosen, Milan R Amin, Ryan C Branski
OBJECTIVES/HYPOTHESIS: To describe the distribution of recurrent respiratory papillomatosis (RRP) lesions across 21 laryngeal anatomic regions in previously untreated patients at initial presentation to provide insight regarding the natural history of RRP. STUDY DESIGN: Multi-institutional, retrospective case series. METHODS: Initial laryngoscopic examination videos of 83 previously untreated patients with adult-onset RRP were reviewed. Papilloma locations were recorded using a 21-region laryngeal schematic...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28714529/immunologic-responses-to-a-novel-dna-vaccine-targeting-human-papillomavirus-11-e6e7
#4
Julie Ahn, Shiwen Peng, Chien-Fu Hung, Richard B S Roden, Tzyy-Choou Wu, Simon R Best
OBJECTIVES/HYPOTHESIS: Recurrent respiratory papillomatosis (RRP) is a benign disease caused by human papillomavirus (HPV) types 6 and 11. Although a prophylactic vaccine against RRP is available, a therapeutic vaccine is needed to treat those already infected. The objective of our study was to design and test a DNA vaccine targeting HPV11 proteins. STUDY DESIGN: Preclinical scientific investigation. METHODS: A DNA vaccine encoding the HPV11 E6 and E7 genes linked to calreticulin (CRT) was generated...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28710539/-treatment-outcomes-of-recurrent-respiratory-papillomatosis-retrospective-analysis-of-juvenile-and-adult-cases-german-version
#5
V-A Papaioannou, A Lux, S Voigt-Zimmermann, C Arens
BACKGROUND: Recurrent respiratory papillomatosis (RRP) is a rare, chronic disease of viral etiology which is characterized by multiple, recurrent growth of papillomas in the aerodigestive tract. MATERIALS AND METHODS: The surgical outcomes and the recurrence rates of 106 patients with RRP of the larynx were analyzed. The patients were treated at the University of Magdeburg between 1983 and 2014. The surgical outcomes of conventional and laser surgery regarding time to relapse and complications were compared...
July 14, 2017: HNO
https://www.readbyqxmd.com/read/28657692/systemic-bevacizumab-for-recurrent-respiratory-papillomatosis-a-national-survey
#6
Simon R Best, Michael Mohr, Karen B Zur
OBJECTIVES/HYPOTHESIS: Aggressive laryngeal, tracheal, and pulmonary papilloma is an extremely challenging clinical problem without proven treatment options. A recent German report documented promising results with systemic bevacizumab. The objective of this study is to report the initial experience of this novel treatment in the United States for recurrent respiratory papillomatosis (RRP). STUDY DESIGN: Cases series. METHODS: Electronic survey of the RRP Task Force of the American Society of Pediatric Otolaryngology, American Broncho-Esophagological Association, and physicians known to the authors to have used systemic bevacizumab for RRP...
June 28, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28576522/pd-l1-expression-and-cd8-infiltration-shows-heterogeneity-in-juvenile-recurrent-respiratory-papillomatosis
#7
Tingyu Liu, Max Greenberg, Carissa Wentland, Brandon Sepe, Sarah Bowe, Gillian Diercks, Tiffany Huynh, Mari Mino-Kenudson, Richard Schlegel, David Kodack, Cyril Benes, Jeffrey Engelman, Christopher Hartnick
INTRODUCTION: Tumor immunotherapy have broadened therapeutic options for tumor treatment. The role of immune function in juvenile recurrent respiratory papillomatosis (JRRP) has not been investigated. Applying immunoblockade inhibitors as a novel disease treatment is unclear. Our study, for the first time, evaluates immune infiltration and immuno-suppressive molecule expression in JRRP. Our study provides insights in possibly treating this disease with tumor immunotherapies. We aimed to determine expression of programmed death-ligand 1 (PD-L1), a cancer escape protein, and presence of CD8+ T cell infiltration in tumor microenvironment...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28534319/case-report-human-papilloma-virus-type-120-related-papillomatosis-mimicking-laryngeal-carcinoma
#8
Valeria Belvisi, Salvatore Martellucci, Anna Rosa Garbuglia, Cosmo Del Borgo, Stanislao Martellucci, Andrea Baiocchini, Anna Maria Manicone, Oreste Bagni, Claudio Maria Mastroianni, Andrea Gallo
INTRODUCTION: The relationship between human papilloma virus (HPV) and upper respiratory tract pathology was better understood in recent years and represents now an issue of particular interest in carcinogenesis and in immunocompromised host. We describe a case in which a rare genotype HPV-related papillomatosis mimics laryngeal carcinoma in an immunocompromised host. METHODS: A 54-year-old woman with a history of HIV-HCV coinfection and anal and laryngeal cancer successfully treated some years before was hospitalized for severe dyspnea, cough and dysphagia...
May 22, 2017: Infection
https://www.readbyqxmd.com/read/28523179/a-case-of-video-assisted-thoracoscopic-resection-of-malignant-transformation-of-pulmonary-recurrent-respiratory-papillomatosis
#9
Dana A Dominguez, David T Martin, Jeffrey B Velotta
Recurrent respiratory papillomatosis (RRP) is a disease of the respiratory tract caused by infection with the human papillomavirus (HPV) and is characterized by multiple recurring papillomas throughout the respiratory tract. Although rare, extra laryngeal involvement carries the risk of malignant transformation in 3-7% of adults. We report the case of a patient with unmonitored juvenile onset RRP with pulmonary involvement found to have malignant transformation to squamous cell carcinoma (SCC). Incidentally found on chest radiography for mild chest wall trauma, she was found to have a large left lower lobe mass with pathology consistent with SCC...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28489241/in-office-vs-operating-room-procedures-for-recurrent-respiratory-papillomatosis
#10
Anya J Miller, Glendon M Gardner
We conducted a study to analyze hospital and patient costs, outcomes, and patient satisfaction among adults undergoing in-office and operating room procedures for the treatment of recurrent respiratory papillomatosis. Our final study population was made up of 17 patients-1 man and 16 women, aged 30 to 86 years (mean: 62). The mean number of in-office laser procedures per patient was 4.2, and the mean interval between procedures was 5.4 months (although 10 patients underwent only 1 office procedure); the mean number of operating room procedures was 13...
April 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28427542/recurrent-respiratory-papillomatosis-a-state-of-the-art-review
#11
REVIEW
Helena Ribeiro Fortes, Felipe Mussi von Ranke, Dante Luiz Escuissato, Cesar Augusto Araujo Neto, Gláucia Zanetti, Bruno Hochhegger, Carolina Althoff Souza, Edson Marchiori
Recurrent respiratory papillomatosis (RRP) is a benign disease of the upper aero-digestive tract caused by human papillomavirus (HPV) infection, which affects children and young adults. The aim of this review is to describe the main etiological, epidemiological, clinical, diagnostic, and treatment aspects of RRP. Most infections in children occur at birth, during passage through the birth canals of contaminated mothers. In adults, HPV is transmitted sexually. Papillomas usually appear as exophytic nodules, primarily in the larynx, but occasionally involving the nasopharynx, tracheobronchial tree, and pulmonary parenchyma...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28298239/associations-of-foxp3-gene-polymorphisms-with-severe-recurrent-respiratory-papillomatosis-in-korean-patients
#12
Tack-Kyun Kwon, Eun Jae Chung, Nuri Lee, Eun Youn Roh, Eun Young Song
BACKGROUND: FoxP3 is the most dependable marker for regulatory T cells which play a major role in immune tolerance. Foxp3 gene polymorphisms were associated with various autoimmune diseases and clearance of viral infections. We studied the association of Foxp3 polymorphisms in severe RRP patients. METHODS: A total of 30 Korean severe RRP patients and 195 healthy controls were enrolled. Foxp3 polymorphisms (rs5902434 del/ATT, rs3761548 C/A, rs3761549 C/T, and rs2232365 G/A) were determined by PCR and sequencing...
March 15, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28231366/comparison-of-cidofovir-and-the-measles-mumps-and-rubella-vaccine-in-the-treatment-of-recurrent-respiratory-papillomatosis
#13
Ryan Kent Meacham, Jerome W Thompson
We conducted a retrospective study of the use of cidofovir and the measles, mumps, and rubella (MMR) vaccineas adjunctive treatments to lesion debridement in patients with recurrent respiratory papillomatosis (RRP). Our study population was made up of 15 children-7 boys and 8 girls, aged 1 to 16 years at diagnosis (mean: 6.2)-with pathologically confirmed RRP who had been followed for at least 1 year. In addition to demographic data, we compiled information on disease severity, the type of adjunctive treatment administered to each patient, the frequency of debridements, the length of observation, and remission rates...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28208177/feasibility-and-associated-limitations-of-office-based-laryngeal-surgery-using-carbon-dioxide-lasers
#14
Hao-Chun Hu, Shu-Yi Lin, Yi-Ting Hung, Shyue-Yih Chang
Importance: There are few reports evaluating awake, office-based carbon dioxide (CO2) laser surgery for laryngeal lesions. To date, this study was the largest reported case series of office-based laryngeal surgery by fiber delivery CO2 laser. Office-based laryngeal surgical procedures have become increasingly popular. Technical problems and treatment outcomes associated with the use of a CO2 laser for office-based laryngeal surgery have yet to be fully addressed. Objectives: To discuss a single institution's clinical experience with office-based CO2 laser laryngeal surgery and the feasibility and limitations associated with this procedure...
May 1, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28193306/quality-of-life-of-young-patients-with-recurrent-respiratory-papillomatosis
#15
B B Montaño-Velázquez, J Nolasco-Renero, J E Parada-Bañuelos, F Garcia-Vázquez, S Flores-Medina, C S García-Romero, K Jáuregui-Renaud
OBJECTIVE: To assess quality of life of children and teenagers with recurrent respiratory papillomatosis, according to the evidence of infection by human papillomavirus types 6 and 11, compared with healthy volunteers and patients with chronic otitis media. METHOD: Participants and their parents completed the Pediatric Quality of Life Inventory 4.0. RESULTS: Patients with recurrent respiratory papillomatosis and their parents reported lower quality of life than healthy subjects (p < 0...
May 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28171734/imiquimod-injection-to-rabbit-vocal-folds-a-preliminary-preclinical-investigation
#16
Stephanie E Teng, Gregory R Dion, Danielle N Sin, Nao Hiwatashi, Peter A Benedict, Milan R Amin, Ryan C Branski
Objective Given the recalcitrant nature of recurrent respiratory papillomatosis, targeted therapies to reduce disease burden are fundamental to improved patient care paradigms. We seek to demonstrate the safety of imiquimod injection into vocal fold mucosa by evaluating the degree of laryngeal edema, histopathologic changes to vocal fold structure, and serologic interferon α (IFNα) levels following injection. Study Design Preclinical. Setting Academic institution. Subjects and Methods Six New Zealand White rabbits underwent unilateral injection of 100 µg of sterile imiquimod (1 µg/µL), with 100 µL of normal saline injected into the contralateral vocal fold...
April 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28109479/therapeutic-use-of-the-hpv-vaccine-in-recurrent-respiratory-papillomatosis-a-case-report
#17
Christopher Sullivan, Stuart Curtis, Jason Mouzakes
Recurrent Respiratory Papillomatosis (RRP) is a condition characterized by recurring squamous papillomas in the aerodigestive tract due to Human Papilloma Virus (HPV) infection. Treatment includes surgical debridement of the lesions often with adjuvant therapy. A newer adjuvant agent being tested is the HPV vaccine. The case report includes a child with RRP who underwent 10 surgeries in a year with an average inter-surgical interval (ISI) of 46 days. The patient then received the scheduled regimen of 3 doses of 9 valent HPV vaccine...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28072562/a-systematic-review
#18
Sarah Drejet, Stacey Halum, Matthew Brigger, Elaine Skopelja, Noah P Parker
Objectives (1) To systematically identify studies evaluating the use of intralesional cidofovir or bevacizumab as an adjunct in adult recurrent respiratory papillomatosis, determine disease severity and functional outcomes, and assess study quality. (2) To compare outcomes between the 2 adjuncts. Data Sources Ovid Medline, EMBASE, Scopus, and Clinical-Trials.gov . Review Methods Data sources were systematically searched. A priori inclusion and exclusion criteria were instituted. Quality was evaluated with the Newcastle-Ottawa Quality Assessment Scale...
March 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/27891001/rigid-bronchoscopic-management-of-acute-respiratory-failure-in-a-30-year-old-woman
#19
Karan Madan, Ashesh Dhungana, Neha Kawatra Madan, Anant Mohan, Vijay Hadda, Rakesh Garg, Deepali Jain, Randeep Guleria
A 30-year-old woman presented with a history of progressive shortness of breath, cough, and hoarseness. Stridor was audible on examination. Chest X-ray showed normal lung fields and contrast-enhanced computed tomography thorax showed lower tracheal occlusion with endoluminal growth. Diagnostic flexible bronchoscopy demonstrated multiple whitish glistening nodules over both vocal cords and lower tracheal occlusion by whitish nodular growth. In view of critical central airway obstruction, rigid bronchoscopy and excision of the lower tracheal growth were performed...
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27863633/intersurgical-interval-increased-with-use-of-quadrivalent-human-papillomavirus-vaccine-gardasil-in-a-pediatric-patient-with-recurrent-respiratory-papillomatosis-a-case-report
#20
Maraya M Baumanis, Charles A Elmaraghy
This is a case of a 4 year old female with recalcitrant recurrent respiratory papillomatosis with decreasing intersurgical interval that had improvement in clinical course after administration of the quadrivalent HPV vaccine.
December 2016: International Journal of Pediatric Otorhinolaryngology
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