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Shah A, Fan T, Jaworek A. Ablation of cervical inlet patch for the treatment of globus sensation: A case report. Clin Case Rep 2023; 11:e8074. [PMID: 38028039 PMCID: PMC10643314 DOI: 10.1002/ccr3.8074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 12/01/2023] Open
Abstract
We present a case of a medically resistant cervical inlet patch causing persistent globus and symptoms of laryngo-pharyngeal reflux, successfully treated with CO2 laser ablation.
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Affiliation(s)
- Arnav Shah
- Lewis Katz School of Medicine at Temple UniversityPhiladelphiaPennsylvaniaUSA
| | - Timothy Fan
- Department of Otolaryngology—Head and Neck SurgerySt. Luke's University Health NetworkBethlehemPennsylvaniaUSA
| | - Aaron Jaworek
- Department of Otolaryngology—Head and Neck SurgerySt. Luke's University Health NetworkBethlehemPennsylvaniaUSA
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Nogi S, Noma K, Hashimoto M, Kato T, Maeda N, Tanabe S, Shirakawa Y, Fujiwara T. Adenocarcinoma arising from widespread heterotopic gastric mucosa in the cervicothoracic esophagus: a case report. Surg Case Rep 2023; 9:132. [PMID: 37470880 PMCID: PMC10359231 DOI: 10.1186/s40792-023-01707-7] [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: 04/13/2023] [Accepted: 06/24/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND In Japan, about 6% of esophageal cancers are adenocarcinomas, although most of them arise from Barrett's epithelium. Adenocarcinoma arising from heterotopic gastric mucosa (HGM) is very rare. Due to its rarity, there is no unified view on its treatment strategy and prognosis. CASE PRESENTATION A 57-year-old man presented with a protruding lesion in the cervicothoracic esophagus that was detected by an upper gastrointestinal series at a medical checkup. Esophagoscopy revealed a 30 mm Type 1 tumor circumferentially surrounded by widespread HGM. Computed tomography (CT) and fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT showed no metastasis or invasion of the surrounding organs. We diagnosed the lesion as cT2N0M0 cStageIIB [Union for International Cancer Control (UICC) 8th Ed] cancer and performed subtotal esophagectomy with three-field lymph node dissection. The tumor was determined to be a well-differentiated adenocarcinoma arising from HGM, with deep invasion of the submucosa. The patient underwent no adjuvant therapy and has currently survived without any evidence of recurrence for 15 months. CONCLUSIONS Although the treatment for adenocarcinoma arising from HGM is basically the same as that for squamous cell carcinoma (SCC) of the esophagus, it is important to determine the treatment strategy based on the characteristics of the adenocarcinoma arising from HGM.
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Affiliation(s)
- Shohei Nogi
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Kazuhiro Noma
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
| | - Masashi Hashimoto
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Takuya Kato
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Naoaki Maeda
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Shunsuke Tanabe
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Yasuhiro Shirakawa
- Department of Surgery, Hiroshima City Hiroshima Citizens Hospital, 7-33 Motomachi, Naka-Ku, Hiroshima, Japan
| | - Toshiyoshi Fujiwara
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
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Romańczyk M, Budzyń K, Romańczyk T, Lesińska M, Koziej M, Hartleb M, Waluga M. Heterotopic Gastric Mucosa in the Proximal Esophagus: Prospective Study and Systematic Review on Relationships with Endoscopic Findings and Clinical Data. Dysphagia 2023; 38:629-640. [PMID: 35809096 DOI: 10.1007/s00455-022-10492-8] [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: 02/05/2022] [Accepted: 06/23/2022] [Indexed: 11/26/2022]
Abstract
Cervical inlet patches (CIP) are common endoscopic findings with uncertain pathogenesis and clinical significance. We aimed to perform a systematic review and prospective study of clinical data and endoscopic findings related to CIP. It was a prospective single-center study conducted between 10/01/2017 and 9/01/2018. Forty patients with histopathologically confirmed CIP were compared with 222 individuals in the reference group. The systematic review was executed in accordance with the PRISMA guideline. Alcohol consumption tended to be higher among patients with CIP (3.0 ± 4.6 vs. 1.9 ± 5.0 standard drinks/week CIP patients and reference group, respectively; p < 0.001). Dysphagia was more frequent among patients with CIP (25% vs. 1.4%, CIP patients and reference group, respectively; p < 0.001), and sore throat and hoarseness were less frequent in patients with CIP (17.5% vs. 26.6% CIP patients and reference group, respectively; p < 0.01). In the multivariate regression analysis, the only risk factor of CIP occurrence was dysphagia (OR 21.9, 95%CI 4.9-98.6; p < 0.001). Sore throat and hoarseness were a reverse-risk factor of CIP diagnosis (OR 0.3, 95%CI 0.1-0.93; p = 0.04). Clinical data and coexisting endoscopic findings were not related to CIP. In the presented study, dysphagia was related to CIP occurrence, and sore throat and hoarseness tended to be less frequent among patients with CIP.
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Affiliation(s)
- Marcin Romańczyk
- Endoterapia, H-T. Centrum Medyczne, Aleja Bielska 105, 43-100, Tychy, Poland
- Chair and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Krzysztof Budzyń
- Endoterapia, H-T. Centrum Medyczne, Aleja Bielska 105, 43-100, Tychy, Poland.
- Chair and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland.
| | - Tomasz Romańczyk
- Endoterapia, H-T. Centrum Medyczne, Aleja Bielska 105, 43-100, Tychy, Poland
- Department of Gastroenterology, Wyższa Szkoła Techniczna W Katowicach, Katowice, Poland
| | - Magdalena Lesińska
- Endoterapia, H-T. Centrum Medyczne, Aleja Bielska 105, 43-100, Tychy, Poland
- Department of Gastroenterology, Wyższa Szkoła Techniczna W Katowicach, Katowice, Poland
| | - Mateusz Koziej
- Department of Anatomy, Jagiellonian University Medical College, Krakow, Poland
| | - Marek Hartleb
- Chair and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Marek Waluga
- Endoterapia, H-T. Centrum Medyczne, Aleja Bielska 105, 43-100, Tychy, Poland
- Chair and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
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De La Chapa JS, Harryman CJ, McGarey PO, Daniero JJ. Clinical Characteristics of the Cervical Inlet Patch: A Case Series. OTO Open 2023; 7:e24. [PMID: 36998556 PMCID: PMC10046733 DOI: 10.1002/oto2.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/21/2022] [Accepted: 12/10/2022] [Indexed: 02/19/2023] Open
Abstract
Objective The goal of this study was to characterize the symptoms and outcomes of patients with a symptomatic cervical inlet patch (CIP). Study Design Retrospective case series. Setting Tertiary care laryngology clinic in Charlottesville, Virginia. Methods A retrospective chart review of the patient's demographics, comorbidities, prior workup, interventions, and response to treatment was performed. All patients received flexible nasolaryngoscopy and barium swallow study. The analysis was descriptive. Results Eight patients (6 female) were followed for the management of symptoms related to CIP. The mean age at presentation to our clinic was 64.9 (standard deviation = 15.7). Five out of 8 patients presented with a chief complaint of dysphagia, and the remaining 3 with chronic coughs. Five out of 8 patients demonstrated findings of laryngopharyngeal reflux (LPR) including vocal fold edema, mucosal erythema, or postcricoid edema. Swallow study demonstrated hiatal hernia in 3 of 8 patients, and cricopharyngeal (CP) dysfunction (CP hypertrophy, CP bar, and Zenker's diverticulum) in 3 of 8 patients. One patient presented with a history of Barrett's esophagus. Treatment included increased acid suppression therapy and management of coexisting esophageal pathologies. Ablative procedures were performed in 5 out of 8 cases, with 2 patients requiring repeat procedures. All patients experience subjective symptom improvement. Conclusion CIP tends to present in complex patients with multifactorial dysphagia, with the most common symptoms being dysphagia and cough. Clinical features of CIP overlap with other more common pathologies encountered by otolaryngologists including LPR and CP dysfunction, and future prospective studies in larger populations should seek to clarify these associations.
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Affiliation(s)
- Julian S. De La Chapa
- Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville Virginia USA
| | - Christopher J. Harryman
- Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville Virginia USA
| | - Patrick O. McGarey
- Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville Virginia USA
| | - James J. Daniero
- Department of Otolaryngology–Head and Neck Surgery University of Virginia Charlottesville Virginia USA
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Yu X, Wang J, Jin T, Xiang L, Pan X, Hou X. Laryngopharyngeal symptoms and oesophageal disorder: The role of heterotopic gastric mucosa in upper oesophagus. Clin Otolaryngol 2023; 48:32-38. [PMID: 36245298 DOI: 10.1111/coa.13994] [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: 12/30/2021] [Revised: 08/22/2022] [Accepted: 10/01/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Heterotopic gastric mucosa in the upper oesophagus (HGMUE) was considered as geneogenous manifestation. However, its clinical characteristics may be beyond our knowledge if we focus on its extra-oesophageal presentation. So the aim of this study was to investigate the relationship between HGMUE and laryngopharyngeal symptoms. METHOD Eight hundred and eleven patients who had gastric endoscopy examination were enrolled in this study and the cervical oesophagus was examined for the patch during withdrawal of the endoscope. Questionnaire for gastroesophageal reflux disease (GERD-Q) and Reflux Symptom Index (RSI) were completed by all the patients. Pathology feature and therapeutic effect of HGMUE patients were evaluated. RESULT About 34.53% of the patients undergoing the gastroduodenoscopy had laryngopharyngeal (LP) symptoms. The relevance rate of HGMUE in LP(+) group (10.69%) was higher than that in LP(-) group (2%). The LP symptoms were related to the histological type and expression of H+-K+-ATPase in the histological sample of HGMUE patients. The positive rate of H+-K+-ATPase was 100% in LP(+) group, and that in LP(-) group was 28.6%. PPI therapy was effective for improving the LP symptoms in HGMUE patients. The RSI score in LP(+) patients decreased from 8.12 ± 1.46 at baseline to 4 ± 0.74 at the end of 8 weeks after treatment of PPI. CONCLUSION HGMUE was an important cause of LP symptoms in patients, especially in those who had no evidence of GERD. The mechanism of HGMUE-induced LP symptoms was due to its location and the function of acid secretion according to the endoscopic finding and histologic characteristics.
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Affiliation(s)
- Xiaoyun Yu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiaqi Wang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tian Jin
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lizhi Xiang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoli Pan
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohua Hou
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Kishimoto K, Shibagaki K, Nonomura S, Sumi S, Fukuda N, Takahashi Y, Kotani S, Okimoto E, Oshima N, Kawashima K, Ishimura N, Ishihara S. Heterotopic Gastric Mucosa in Middle Esophagus Complicated with Esophageal Ulcers. Intern Med 2022; 61:2735-2740. [PMID: 35228416 PMCID: PMC9556244 DOI: 10.2169/internalmedicine.8705-21] [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] [Indexed: 12/28/2022] Open
Abstract
Heterotopic gastric mucosa (HGM) of esophagus, primarily occurring in cervical esophagus, is usually asymptomatic. A healthy woman (mid-40s) with postprandial heartburn was diagnosed with middle esophageal HGM and esophageal ulcers by esophagogastroduodenoscopy. Using 8-channel pH monitoring, a sensor near the HGM area detected postprandial acid phase (pH 3-4), while areas adjacent to the proximal and distal sensors were neutral, suggesting acid secretion from the HGM. A biopsy showed fundic gland tissue expressing H+/K+-ATPase and pepsinogen-I. Oral vonoprazan improved the clinical symptoms and endoscopic findings. This is the first report using 8-channel pH monitoring to diagnose extremely rare middle esophageal HGM.
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Affiliation(s)
- Kenichi Kishimoto
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | | | - Saya Nonomura
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Shohei Sumi
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | | | - Yusuke Takahashi
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Satoshi Kotani
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Eiko Okimoto
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Naoki Oshima
- Department of Endoscopy, Shimane University Hospital, Japan
| | - Kousaku Kawashima
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Norihisa Ishimura
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
| | - Shunji Ishihara
- Department of Gastroenterology, Faculty of Medicine, Shimane University, Japan
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Xiong X, He S, Xu F, Xu Z, Zhang X, Wang H, Liu T, Jia Y. Gastroesophageal reflux disease and salivary pepsin in patients with heterotopic gastric mucosa in the upper esophagus. Dis Esophagus 2022; 35:6423537. [PMID: 34750620 DOI: 10.1093/dote/doab074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 09/07/2021] [Indexed: 01/05/2023]
Abstract
BACKGROUND Heterotopic gastric mucosa in the upper esophagus (HGMUE) is reported to be related to gastroesophageal reflux disease (GERD). This study investigated the prevalence of GERD and the use of salivary pepsin to diagnose gastroesophageal reflux, especially proximal reflux, in HGMUE patients. METHODS One hundred and fifty-three HGMUE patients and 50 healthy volunteers were studied. All subjects took a reflux symptom index questionnaire (RSI); underwent endoscopy, barium esophagogram, high-resolution manometry (HRM), and 24-hour multichannel intraluminal impedance-pH-metry (MII-pH); and salivary pepsin test. RESULTS Ninety-five (62.1%) HGMUE patients but no control subjects were diagnosed with GERD. The salivary pepsin concentration, RSI score, DeMeester score, acid exposure time (AET), total reflux episodes, proximal acidic reflux episodes, and proximal weakly acidic reflux episodes were significantly higher in the HGMUE group than in the control group (P < 0.05). The salivary pepsin test showed a sensitivity of 85.9% and specificity of 56.9% for diagnosing GERD using the optimal cut-off value of 75 ng/mL. One hundred and seven (69.9%) and 46 (30.1%) HGMUE patients were categorized as pepsin (+) and pepsin (-), respectively when 75 ng/mL was used as a cut-off value. Male sex, RSI, AET, and proximal acid reflux episodes were positive predictive factors for the occurrence of pepsin (+) in HGMUE patients. CONCLUSIONS GERD, especially GERD with proximal acid reflux and related symptoms, was common in HGMUE patients. The salivary pepsin test could be an additional useful test for testing reflux in HGMUE patients, but it will not replace the MII-pH.
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Affiliation(s)
- Xin Xiong
- Zunyi Medical University, Zunyi, China
| | - Suyu He
- The Fourth Department of the Digestive Disease Center, Suining Central Hospital, Suining, China
| | - Fei Xu
- Zunyi Medical University, Zunyi, China
| | | | | | - Hanmei Wang
- The Fourth Department of the Digestive Disease Center, Suining Central Hospital, Suining, China
| | - Tianyu Liu
- The Endoscopy Center, Suining Central Hospital, Suining, China
| | - Yingdong Jia
- The First Department of the Digestive Disease Center, Suining, China
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Yin Y, Li H, Feng J, Zheng K, Yoshida E, Wang L, Wu Y, Guo X, Shao X, Qi X. Prevalence and Clinical and Endoscopic Characteristics of Cervical Inlet Patch (Heterotopic Gastric Mucosa): A Systematic Review and Meta-Analysis. J Clin Gastroenterol 2022; 56:e250-e262. [PMID: 33780217 DOI: 10.1097/mcg.0000000000001516] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 01/26/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Cervical inlet patch (CIP), also called gastric inlet patch, is a heterotopic columnar mucosal island located in the cervical esophagus, which has been under-recognized by clinicians. AIM We conducted a systemic review and meta-analysis to explore the prevalence and clinical and endoscopic characteristics of CIP. MATERIALS AND METHODS Studies were searched through the PubMed, EMBASE, and Cochrane Library databases. The prevalence of CIP with 95% confidence interval (CI) was pooled by using a random-effect model. The association of CIP with demographics, clinical presentations, and endoscopic features was evaluated by odds ratios (ORs). RESULTS Fifty-three studies including 932,777 patients were eligible. The pooled prevalence of CIP was 3.32% (95% CI=2.86%-3.82%). According to the endoscopic mode, the pooled prevalence of CIP was higher in studies using narrow-band imaging than in those using white light and esophageal capsule endoscopy (9.34% vs. 2.88% and 0.65%). The pooled prevalence of CIP was higher in studies where the endoscopists paid specific attention to the detection of this lesion (5.30% vs. 0.75%). CIP was significantly associated with male (OR=1.24, 95% CI=1.09-1.42, P=0.001), gastroesophageal reflux disease (OR=1.32, 95% CI=1.04-1.68, P=0.03), reflux symptoms (OR=1.44, 95% CI=1.14-1.83, P=0.002), dysphagia (OR=1.88, 95% CI=1.28-2.77, P=0.001), throat discomfort (OR=4.58, 95% CI=1.00-21.02, P=0.05), globus (OR=2.95, 95% CI=1.52-5.73, P=0.001), hoarseness (OR=4.32, 95% CI=1.91-9.78, P=0.0004), cough (OR=3.48, 95% CI=1.13-10.72, P=0.03), Barrett's esophagus (OR=2.01, 95% CI=1.37-2.94, P=0.0003), and esophagitis (OR=1.62, 95% CI=1.27-2.07, P=0.0001). CONCLUSION CIP appears to be common by using narrow-band imaging, especially if the endoscopists would like to pay attention to the detection of this lesion. CIP is clearly associated with acid-related symptoms and Barrett's esophagus.
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Affiliation(s)
- Yue Yin
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
- Postgraduate College, Jinzhou Medical University, Jinzhou
| | - Hongyu Li
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
| | - Ji Feng
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
| | - Kexin Zheng
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
- Postgraduate College, Jinzhou Medical University, Jinzhou
| | - Eric Yoshida
- Department of Medicine, Division of Gastroenterology, Vancouver General Hospital, Vancouver, Canada
| | - Le Wang
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
- Postgraduate College, Dalian Medical University, Dalian, People's Republic of China
| | - Yanyan Wu
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
- Postgraduate College, Jinzhou Medical University, Jinzhou
| | - Xiaozhong Guo
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
| | - Xiaodong Shao
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
| | - Xingshun Qi
- Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), Shenyang
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Romańczyk M, Romańczyk T, Lesińska M, Romańczyk A, Hartleb M, Waluga M. Influence of narrow-band imaging (NBI) and enhanced operator's attention during esophagus inspection on cervical inlet patches detection. Adv Med Sci 2021; 66:170-175. [PMID: 33640715 DOI: 10.1016/j.advms.2021.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 01/14/2021] [Accepted: 02/10/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE Heterotopic gastric mucosa in the upper esophagus (cervical inlet patches - CIP) may be easily missed during esophagogastroduodenoscopy (EGD) due to low awareness of this usually, but not invariably, benign lesion. Narrow-band imaging (NBI) emphasizes contrast between normal esophageal mucosa and CIP. The purpose of this study was to investigate how NBI use and enhanced attention of operator during inspection of upper esophagus impacts cervical inlet patch detection rate (CIPDR). MATERIALS AND METHODS This is a prospective, randomized study in which we enrolled 1000 patients, qualified for diagnostic EGD. The trial was divided into two parts; the first, when 6 operators performed EGD with standard attention (SA), and the second, when the same operators were asked to step up with attention at CIP (enhanced attention - EA). In both parts of the study, patients were randomized to NBI and white light endoscopy (WLE) in 1:1 ratio. The study is registered in ClinicalTrials.gov (No. NCT03015571). RESULTS Differences in CIPDR between WLE and NBI in SA and EA were not statistically different (5.6% vs 7.6%; p = 0.3, and 7.6% vs 11.6%; p = 0.1, respectively). In multivariate regression analysis, the only factors improving CIPDR were NBI with EA (NBIEA, OR 3.31; 95%CI 1.57-6.98; p = 0.003) and sedation (OR 1.97; 95%CI 1.27-3.05; p = 0.002). CONCLUSIONS The use of NBI combined with EA significantly improves CIPDR.
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The Prevalence of Heterotopic Gastric Mucosa of the Proximal Esophagus and the Relationship Between Clinical and Endoscopic Findings. JOURNAL OF CONTEMPORARY MEDICINE 2019. [DOI: 10.16899/jcm.626167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
PURPOSE OF REVIEW The purpose of this review is to assess recent literature on the clinical relevance of the gastric inlet patch with particular focus on endoscopic diagnosis and treatment, the relationship of the inlet patch to laryngopharyngeal reflux disease and the association of proximal esophageal adenocarcinoma with inlet patch. RECENT FINDINGS Recent studies suggest endoscopic diagnosis of inlet patch increases with endoscopist awareness (up to 10-fold) and when using enhanced imaging techniques such as narrow band imaging (up to three-fold). The literature remains mixed on the association of inlet patch with laryngopharyngeal symptoms or globus sensation. Studies of endoscopic ablation, using argon plasma coagulation or radiofrequency ablation have shown improved laryngopharyngeal reflux symptom scores posttreatment. Proximal esophageal adenocarcinomas are rare but often associated with inlet patch when they occur. Case studies have described endoscopic resection of malignant lesions related to inlet patch, using endoscopic mucosal resection or submucosal dissection. SUMMARY Prospective, multicenter studies of symptom association with inlet patch using validated symptom questionnaires and blinded sham-controlled treatments are needed to further clarify the role of such treatments, which to date are limited to a small numbers of centers with a special interest.
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Ciocalteu A, Popa P, Ionescu M, Gheonea DI. Issues and controversies in esophageal inlet patch. World J Gastroenterol 2019; 25:4061-4073. [PMID: 31435164 PMCID: PMC6700698 DOI: 10.3748/wjg.v25.i30.4061] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/24/2019] [Accepted: 07/05/2019] [Indexed: 02/06/2023] Open
Abstract
The proximal esophagus is rarely examined, and its inspection is often inadequate. Optical chromoendoscopy techniques such as narrow band imaging improve the detection rate of inlet patches in the proximal esophagus, a region in which their prevalence is likely underestimated. Various studies have reported correlations between these esophageal marks with different issues such as Barrett's esophagus, but these findings remain controversial. Conflicting reports complicate the process of interpreting the clinical features of esophageal inlet patches and underestimate their importance. Unfortunately, the limited clinical data and statistical analyses make reaching any conclusions difficult. It is hypothesized that inlet patches are correlated with various esophageal and extraesophageal symptoms, diagnoses and the personalized therapeutic management of patients with inlet patches as well as the differential diagnosis for premalignant lesions or early cancers. Due to its potential underdiagnosis, there are no consensus guidelines for the management and follow up of inlet patches. This review focuses on questions that were raised from published literature on esophageal inlet patches in adults.
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Affiliation(s)
- Adriana Ciocalteu
- Department of Gastroenterology, Research Center of Gastroenterology and Hepatology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Petrica Popa
- Department of Gastroenterology, Research Center of Gastroenterology and Hepatology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Mircea Ionescu
- Department of Anesthesiology and Intensive Care, Emergency County Hospital of Craiova, Craiova 200642, Romania
| | - Dan Ionut Gheonea
- Department of Gastroenterology, Research Center of Gastroenterology and Hepatology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
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Cervical inlet patch: an important cause of Globus pharyngeus. Eur Arch Otorhinolaryngol 2018; 275:3101-3102. [PMID: 30229454 DOI: 10.1007/s00405-018-5132-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 09/11/2018] [Indexed: 02/07/2023]
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Rusu R, Ishaq S, Wong T, Dunn JM. Cervical inlet patch: new insights into diagnosis and endoscopic therapy. Frontline Gastroenterol 2018; 9:214-220. [PMID: 30046427 PMCID: PMC6056090 DOI: 10.1136/flgastro-2017-100855] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 09/25/2017] [Accepted: 10/18/2017] [Indexed: 02/04/2023] Open
Abstract
The cervical inlet patch is an island of heterotopic gastric mucosa, most commonly found in the proximal oesophagus. Its importance as a cause of throat symptoms has been recognised, particularly chronic globus sensation. This has led to a change in the Rome IV criteria for globus management, with emphasis on ruling out the condition. Proton pump inhibitors are often ineffective in resolving symptoms. Endoscopic studies on the use of ablative techniques, most recently radiofrequency ablation (RFA), have shown promise in reversing the CIP to mormal squamous mucosa, with subsequent symtpomatic resolution. The aim of this review is to update on the investigation and management of the CIP.
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Affiliation(s)
- Radu Rusu
- Department of Gastroenterology, Guy's & St Thomas' Hospitals NHS Foundation Trust, London, UK
| | - Sauid Ishaq
- Department of Gastroenterology, Russells Hall Hospital, Birmingham City University, Birmingham, UK
| | - Terry Wong
- Department of Gastroenterology, Guy's & St Thomas' Hospitals NHS Foundation Trust, London, UK
| | - Jason M Dunn
- Department of Gastroenterology, Guy's & St Thomas' Hospitals NHS Foundation Trust, London, UK
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Kristo I, Rieder E, Paireder M, Schwameis K, Jomrich G, Dolak W, Parzefall T, Riegler M, Asari R, Schoppmann SF. Radiofrequency ablation in patients with large cervical heterotopic gastric mucosa and globus sensation: Closing the treatment gap. Dig Endosc 2018; 30:212-218. [PMID: 28884487 DOI: 10.1111/den.12959] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 08/31/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM Symptomatic cervical heterotopic gastric mucosa, also known as cervical inlet patch (CIP), may present in various shapes and causes laryngopharyngeal reflux (LPR). Unfortunately, argon plasma coagulation, standard treatment of small symptomatic CIP, is limited in large CIP mainly because of concerns of stricture formation. Therefore, we aimed to investigate radiofrequency ablation (RFA), a novel minimally invasive ablation method, in the treatment of CIP focusing on large symptomatic patches. METHODS Consecutive patients with macroscopic and histological evidence of large (≥20 mm diameter) heterotopic gastric mucosa were included in this prospective trial. Primary outcome was complete macroscopic and histological eradication rate of CIP. Secondary outcome measures were symptom improvement, quality of life, severity of LPR and adverse events. RESULTS Ten patients (females, n = 5) underwent RFA of symptomatic CIP. Complete histological and macroscopic eradication of CIP was observed in 80% (females, n = 4) of individuals after two ablations. Globus sensations significantly improved from median visual analog scale score 8 (5-9) at baseline to 1.5 (1-7) after first ablation and 1 (1-2) after final evaluation (P < 0.001). Mental health scores significantly increased from 41.4 (± 8.5) to 54.4 (± 4.4) after RFA (P = 0.007). LPR improved significantly (P = 0.005) with absence of strictures after a mean follow up of 1.9 (± 0.5) years. CONCLUSIONS This is the first study on RFA focusing on therapy of large symptomatic heterotopic gastric mucosa. Hereby, we demonstrate that this new technique can be successfully implemented in patients where treatment was limited so far (NCT03023280).
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Affiliation(s)
- Ivan Kristo
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
| | - Erwin Rieder
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
| | - Matthias Paireder
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
| | - Katrin Schwameis
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
| | - Gerd Jomrich
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
| | - Werner Dolak
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Thomas Parzefall
- Department of Otorhinolaryngology, Medical University of Vienna, Vienna, Austria
| | | | - Reza Asari
- Departments of Surgery, Medical University of Vienna, Vienna, Austria
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Kadota T, Fujii S, Oono Y, Imajoh M, Yano T, Kaneko K. Adenocarcinoma arising from heterotopic gastric mucosa in the cervical esophagus and upper thoracic esophagus: two case reports and literature review. Expert Rev Gastroenterol Hepatol 2016; 10:405-14. [PMID: 26610162 DOI: 10.1586/17474124.2016.1125780] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Primary adenocarcinoma arising from heterotopic gastric mucosa (HGM) is rare and the clinicopathological characteristics are not well known. We present two cases of esophageal adenocarcinoma arising from HGM with a review of a case series. Case 1 was a 78-year-old woman who underwent a periodic medical examination without complaining of any symptoms. Preoperative evaluation suggested esophageal adenocarcinoma arising from the HGM. The patient was treated with endoscopic submucosal dissection. Definitive pathological diagnosis confirmed adenocarcinoma arising from the HGM. Case 2 was a 70-year-old man who underwent a medical examination after complaining of dysphagia. Preoperative diagnosis suggested esophageal adenocarcinoma; however, its origin was unclear. The patient was treated with surgical resection. Definitive pathological diagnosis revealed adenocarcinoma arising from the HGM. In this article, the authors report the clinicopathological features of esophageal adenocarcinoma arising from HGM that were collected from a literature review and our cases.
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Affiliation(s)
- Tomohiro Kadota
- a Department of Gastroenterology, Endoscopy Division , National Cancer Center Hospital East , Kashiwa , Japan
| | - Satoshi Fujii
- b Pathology Division, Research Center for Innovative Oncology , National Cancer Center Hospital East , Kashiwa , Japan
| | - Yasuhiro Oono
- a Department of Gastroenterology, Endoscopy Division , National Cancer Center Hospital East , Kashiwa , Japan
| | - Maomi Imajoh
- a Department of Gastroenterology, Endoscopy Division , National Cancer Center Hospital East , Kashiwa , Japan
| | - Tomonori Yano
- a Department of Gastroenterology, Endoscopy Division , National Cancer Center Hospital East , Kashiwa , Japan
| | - Kazuhiro Kaneko
- a Department of Gastroenterology, Endoscopy Division , National Cancer Center Hospital East , Kashiwa , Japan
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Heterotopic gastric mucosa of the proximal oesophagus (inlet patch): endoscopic prevalence, histological and clinical characteristics in paediatric patients. Eur J Gastroenterol Hepatol 2014; 26:1139-45. [PMID: 25099680 DOI: 10.1097/meg.0000000000000177] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Heterotopic gastric mucosa is found in the proximal oesophagus, just below the upper oesophageal sphincter, and is encountered when the oesophagus is examined carefully during endoscopy. AIMS In this study on paediatric patients, we aimed to determine the endoscopic prevalence of heterotopic gastric mucosa of the proximal oesophagus (HGMPO), to identify its macroscopic and histological characteristics and to evaluate its clinical features. PATIENTS AND METHODS A total of 1399 patients were examined. Ages, sex, clinical and endoscopic findings of all patients were recorded. Patients with HGMPO were classified in accordance with a clinicopathological classification and information on the treatment and evolution was also recorded. RESULTS Of the 1399 patients, 20 (11 male) were found to have HGMPO. The prevalence of HGMPO was determined to be 1.4%. In five patients, the upper oesophageal and laryngopharyngeal symptoms were remarkable. The clinicopathological classification showed that 15 patients were HGMPO type 1 (asymptomatic) and five were type 2 (symptomatic without morphologic changes). There was no significant association of any other endoscopic finding with the presence of an HGMPO. Proton pump inhibitors treatment was initiated in 16 patients, including those with HGMPO type 2. In one type 2 patient who showed no improvement during medical treatment, endoscopic treatment was indicated (argon plasma ablation). In patients with symptoms attributable to the presence of the inlet patch, the proposed treatment resolved clinical symptoms. CONCLUSION The presence of HGMPO is not an infrequent finding in thorough endoscopies. Although HGMPO does not usually have a symptomatic progression, it can sometimes lead to supraoesophageal symptoms; thus, treatment should be considered.
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Feng G, Wang J, Zhang L, Liu Y. A Study to Draw a Normative Database of Laryngopharynx pH Profile in Chinese. J Neurogastroenterol Motil 2014; 20:347-51. [PMID: 24948130 PMCID: PMC4102165 DOI: 10.5056/jnm13138] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 03/05/2014] [Accepted: 03/14/2014] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND/AIMS To draw a normative database of laryngopharynx pH profile in Chinese subjects. METHODS Normal volunteers were recruited from "www.Ganji.com" and People's hospital between May 2008 and December 2009. The Restech pH Probes were calibrated in pH 7 and pH 4 buffer solutions according to the manufacturer's instructions. Each volunteer was asked to wear the device for a 24-hour period and was encouraged to participate in normal daily activities. RESULTS The healthy volunteers consisted of 20 males and 9 females with a median age of 23 years (interquartile range, 21 to 32 years). The 95th percentiles for % total times at pH < 4, pH < 4.5, pH < 5.0 and pH < 5.5 for the oropharynx pH catheter were 0.06%, 1.01%, 7.23% and 27.34%, respectively. The 95th percentile for number of reflux events within the 24-hour period at pH < 4, pH < 4.5, pH < 5.0 and pH < 5.5 were 2.0, 18.0, 107.5 and 284.5, respectively. CONCLUSIONS This is the first study to systematically assess the degree of reflux detected by the new pH probe in healthy asymptomatic Chinese volunteers and to report normative values in Chinese people. Using an oropharyngeal pH catheter to monitor laryngopharyngeal reflux indicated that in healthy Chinese, reflux should be considered normal if the percent time at pH less than 4.5 is no more than 1%.
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Affiliation(s)
- Guijian Feng
- Departments of Gastroenterology, Peking University People's Hospital, Beijing, China
| | - Junyao Wang
- Departments of Gastroenterology, Peking University People's Hospital, Beijing, China
| | - Lihong Zhang
- Departments of Otorhinolaryngology , Peking University People's Hospital, Beijing, China
| | - Yulan Liu
- Departments of Gastroenterology, Peking University People's Hospital, Beijing, China
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Abstract
Globus is a topic of interest for many specialties including otorhinolaryngology, gastroenterology and psychiatry/psychosomatic medicine, but, although many hypotheses have been suggested, key questions about its aetiology remain. This Review provides an overview of the extensive literature concerning this topic and discusses the quality of the evidence to date. Globus has been associated with oropharyngeal structural lesions, upper oesophageal sphincter disorders, oesophageal disorders, GERD, psychosocial factors and psychiatric comorbidity. However, findings are often contradictory and the literature remains highly inconclusive. Indeed, with the exception of patients with structural-based globus, the Rome III criteria for functional globus only apply to a subgroup of patients with idiopathic globus. In clinical reality, there exists a group of patients who present with idiopathic (nonstructural) globus, but nevertheless have dysphagia, odynophagia or GERD-exclusion criteria for globus diagnosis according to Rome III. The symptomatology of patients with globus might be broader than previously thought. It is therefore crucial to approach globus not from one single perspective, but from a multifactorial point of view, with focus on the coexistence and/or interactions of different mechanisms in globus pathogenesis. This approach could be translated to clinical practice by adopting a multidisciplinary method to patients presenting with globus.
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Yu L, Yang Y, Cui L, Peng L, Sun G. Heterotopic gastric mucosa of the gastrointestinal tract: prevalence, histological features, and clinical characteristics. Scand J Gastroenterol 2014; 49:138-44. [PMID: 24279774 DOI: 10.3109/00365521.2013.860558] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Heterotopic gastric mucosa (HGM) may be located at sites throughout the gastrointestinal (GI) tract. Clinical characteristics of HGM, role of Helicobacter pylori infection, natural history, and relationship to neoplastic transformation have not sufficiently been explored. AIM To retrospectively study the prevalence, histological features, and clinical characteristics of HGM among Chinese patients who underwent upper GI endoscopy. METHODS Endoscopic, histological, and clinical records of patients, who underwent upper GI endoscopy (n = 6802) and colonoscopy (n = 3504), respectively, between May 2011 and May 2012, were collected and retrospectively analyzed. A total of 6716 sex- and age-matched patients without HGM were enrolled as controls. RESULTS HGM was diagnosed in 86 cases (51 esophageal, 0.75%; 35 duodenal, 0.51%). Male:female ratio was 1.4:1 (30/21) for esophageal HGM, 1.7:1 (22/13) for duodenal HGM, and 1.1:1 (3557/3159) for controls. Two histopathological types of HGM were identified: foveolar epithelium alone and foveoloar epithelium together with gastric glands. Helicobacter pylori were present in 19.6% of cases with esophageal HGM and 20.0% of cases with duodenal HGM. Esophageal HGM was significantly associated with dysphagia and globus; duodenal HGM was not significantly associated with GI symptoms. Intestinal metaplasia was present in two and three patients in both groups, respectively, with no dysplasia or carcinoma. CONCLUSION HGM was present in fewer patients undergoing upper GI endoscopy, and it was more often present in men. A careful endoscopic examination is required to diagnose HGM, and it should be supported with a biopsy when indicated.
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Affiliation(s)
- Lan Yu
- Department of Gastroenterology and Hepatology, Chinese PLA General Hospital , Beijing , China
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Hawkshaw MJ, Pebdani P, Sataloff RT. Reflux Laryngitis: An Update, 2009–2012. J Voice 2013; 27:486-94. [DOI: 10.1016/j.jvoice.2013.03.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Accepted: 03/07/2013] [Indexed: 02/07/2023]
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Chong VH. Clinical significance of heterotopic gastric mucosal patch of the proximal esophagus. World J Gastroenterol 2013; 19:331-8. [PMID: 23372354 PMCID: PMC3554816 DOI: 10.3748/wjg.v19.i3.331] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 07/30/2012] [Accepted: 08/16/2012] [Indexed: 02/06/2023] Open
Abstract
Heterotopic gastric mucosa of the proximal esophagus (HGMPE), also referred to as “inlet patch” or “cervical inlet patch”, is a salmon colored patch that is usually located just distal to the upper esophageal sphincter. HGMPE is uncommon with endoscopic studies reporting a prevalence ranging from less than one percent to 18%. Most HGMPE are asymptomatic and are detected incidentally during endoscopy for evaluations of other gastrointestinal complaints. Most consider HGMPE as clinically irrelevant entity. The clinical significance of HGMPE is mainly acid related or neoplastic transformation. The reported prevalence of laryngopharyngeal reflux symptoms varies from less than 20% to as high as 73.1%. However, most of these symptoms are mild. Clinically significant acid related complications such as bleeding, ulcerations, structure and fistulization have been reported. Although rare, dysplastic changes and malignancies in association with HGMPE have also been reported. Associations with Barrett’s esophagus have also been reported but the findings so far have been conflicting. There are still many areas that are unknown or not well understood and these include the natural history of HGMPE, risk factors for complications, role of Helicobacter pylori infection and factors associated with malignant transformations. Follow-up may need to be considered for patients with complications of HGMPE and surveillance if biopsies show intestinal metaplasia or dysplastic changes. Despite the overall low incidence of clinically relevant manifestations reported in the literature, HGMPE is a clinically significant entity but further researches are required to better understand its clinical significance.
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Altman KW, Prufer N, Vaezi MF. Response to “Extraesophageal Reflux Is Still NOT the Same Disorder as Gastroesophageal Reflux,” from Gregory N. Postma and Milan Amin. Otolaryngol Head Neck Surg 2012. [DOI: 10.1177/0194599812439167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chong VH. Esophagogastroduodenoscopy has a role in the evaluation of laryngopharyngeal reflux. Eur Arch Otorhinolaryngol 2012; 269:1721-2. [PMID: 22350428 DOI: 10.1007/s00405-012-1958-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Accepted: 01/31/2012] [Indexed: 11/30/2022]
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Chong VH, Idris R. In reference to An electron microscopic study--correlation of gastroesophageal reflux disease and laryngopharyngeal reflux. Laryngoscope 2011; 121:2721; author reply 2722. [PMID: 21647896 DOI: 10.1002/lary.21773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Accepted: 02/03/2011] [Indexed: 11/09/2022]
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