Device Problem
Adverse Event Without Identified Device or Use Problem (2993)
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Patient Problems
Granuloma (1876); Inflammation (1932)
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Event Date 10/01/2022 |
Event Type
Injury
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Manufacturer Narrative
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The exact date of the event is unknown.The provided event date was chosen as a best estimate based on the date that the manufacturer became aware of the event.The complainant was unable to provide the suspect device lot number; therefore, the lot expiration and device manufacture dates are unknown.(b)(4).
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Event Description
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It was reported to boston scientific corporation that orise gel was used as a lifting agent in the esophagus during an endoscopic mucosal resection (emr) procedure performed on an unknown date.A 59-year-old man underwent endoscopic surveillance 3 months after emr, in which recurrent high-grade dysplasia was found on biopsy with possible invasion into the muscularis propria.A positron emission tomography (pet) scan and computed tomography (ct) scan also noted a pet-avid area in the distal esophagus, however, could not differentiate between inflammation or recurrent carcinoma.Subsequently, the patient underwent an esophagectomy.The pathology revealed a white mass underneath the esophageal epithelium, but no surface tumor was apparent.The mass was an extensive foreign body reaction due to remnant orise gel.While barrett with high- and low-grade dysplasia was present as well, there was no evidence of residual invasive or in situ adenocarcinoma.
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Manufacturer Narrative
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Block b3: the exact date of the event is unknown.The provided event date was chosen as a best estimate based on the date that the manufacturer became aware of the event.Block d4 and h4: the complainant was unable to provide the suspect device lot number; therefore, the lot expiration and device manufacture dates are unknown.Block g2: report source: literature.The citation of the journal article is below.Tsambikos, e., abreo, e., tierney, w., & hassell, l.(2020).Submucosal lifting agent-induced foreign body reaction mimicking recurrent malignancy.The american journal of gastroenterology, s1972.Https://doi.Org/10.14309/01.Ajg.0000709936.02245.Da.Block h6: impact code f19 captures the reportable event of surgical intervention due to orise gel foreign body reaction.
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Event Description
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It was reported to boston scientific corporation that orise gel was used as a lifting agent in the esophagus during an endoscopic mucosal resection (emr) procedure performed on an unknown date.A 58-year-old man underwent endoscopic surveillance 3 months after emr, in which recurrent high-grade dysplasia was found on biopsy with possible invasion into the muscularis propria.A positron emission tomography (pet) scan and computed tomography (ct) scan also noted a pet-avid area in the distal esophagus, however, could not differentiate between inflammation or recurrent carcinoma.Subsequently, the patient underwent an esophagectomy.The pathology revealed a white mass underneath the esophageal epithelium, but no surface tumor was apparent.The mass was an extensive foreign body reaction due to remnant orise gel.While barrett with high- and low-grade dysplasia was present as well, there was no evidence of residual invasive or in situ adenocarcinoma.Additional information received on january 27, 2023: esophagogastroduodenoscopy revealed a 1.2 cm polyp, and pathology proved intramuscular adenocarcinoma.During a subsequent endoscopic mucosal resection, orise gel was injected to lift a 2 cm semi-pedunculated polypoid mass and an extensive 4 cm 3x2 cm long adjacent area of nodular barrett's mucosa covering 80% of the circumference of the esophagus.
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Search Alerts/Recalls
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