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Esophageal Scab Mimicking a Parasite: A Case Report.
Am J Case Rep. 2020 Jun 27; 21:e925199.AJ

Abstract

BACKGROUND

Parasitic helminths in the esophagus are rare. Here, we report a case of esophageal scab mimicking a parasite. CASE REPORT A 65-year-old man was admitted to our hospital because after choking on food. Gastroscopy showed 2 foreign bodies adherent to the esophagus wall 28 and 34 cm from the incisor, which appeared to be a fluke. Two fluke-like foreign bodies (1.5 and 1.8 cm in length) were removed from the esophageal ulcer with forceps. After fixation with alcohol, the suspected fluke-like foreign bodies were noted to be brown and woody. Under a light microscope, the structure of the foreign body was not apparent, and no typical flatworm tegument structure was demonstrated on pathologic sections, but it had a blood clot-like structure. Administration of albendazole did not expel any helminths. A stool examination showed no eggs of the putative flukes. The genomic DNA of the suspected flukes was extracted and a 700 bp fragment was amplified by universal barcoding primers. The sequencing showed that the homology with human cytochrome c oxidase subunit I gene was 98.8%.

CONCLUSIONS

The scab formed by the esophageal ulcer was identified based on clinical manifestations, anti-helminth and stool examinations, parasite morphology, and molecular biology. Our experience with this case suggests that the universal barcoding technique can be used for identification of foreign bodies suspected to be parasites.

Authors+Show Affiliations

Department of Microbiology and Parasitology, Bengbu Medical College, Bengbu, Anhui, China (mainland).Department of Pharmacy, Bengbu First People's Hospital, Bengbu, Anhui, China (mainland).Department of Gastroenterology, Bengbu First People's Hospital, Bengbu, Anhui, China (mainland).Department of Microbiology and Parasitology, Bengbu Medical College, Bengbu, Anhui, China (mainland).Department of Microbiology and Parasitology, Bengbu Medical College, Bengbu, Anhui, China (mainland).Department of Microbiology and Parasitology, Bengbu Medical College, Bengbu, Anhui, China (mainland).Department of Microbiology and Parasitology, Bengbu Medical College, Bengbu, Anhui, China (mainland). Anhui Provincial Key Laboratory of Infection and Immunology, Bengbu Medical College, Bengbu, Anhui, China (mainland).

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32591495

Citation

Liu, Wei-Ping, et al. "Esophageal Scab Mimicking a Parasite: a Case Report." The American Journal of Case Reports, vol. 21, 2020, pp. e925199.
Liu WP, Huan D, Wang JG, et al. Esophageal Scab Mimicking a Parasite: A Case Report. Am J Case Rep. 2020;21:e925199.
Liu, W. P., Huan, D., Wang, J. G., Lv, Q. L., Ibrahim, U., Jin, X. X., & Tao, Z. Y. (2020). Esophageal Scab Mimicking a Parasite: A Case Report. The American Journal of Case Reports, 21, e925199. https://doi.org/10.12659/AJCR.925199
Liu WP, et al. Esophageal Scab Mimicking a Parasite: a Case Report. Am J Case Rep. 2020 Jun 27;21:e925199. PubMed PMID: 32591495.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Esophageal Scab Mimicking a Parasite: A Case Report. AU - Liu,Wei-Ping, AU - Huan,Di, AU - Wang,Jin-Guang, AU - Lv,Qiao-Lan, AU - Ibrahim,Umar, AU - Jin,Xiao-Xia, AU - Tao,Zhi-Yong, Y1 - 2020/06/27/ PY - 2020/6/28/entrez PY - 2020/6/28/pubmed PY - 2020/6/28/medline SP - e925199 EP - e925199 JF - The American journal of case reports JO - Am J Case Rep VL - 21 N2 - BACKGROUND Parasitic helminths in the esophagus are rare. Here, we report a case of esophageal scab mimicking a parasite. CASE REPORT A 65-year-old man was admitted to our hospital because after choking on food. Gastroscopy showed 2 foreign bodies adherent to the esophagus wall 28 and 34 cm from the incisor, which appeared to be a fluke. Two fluke-like foreign bodies (1.5 and 1.8 cm in length) were removed from the esophageal ulcer with forceps. After fixation with alcohol, the suspected fluke-like foreign bodies were noted to be brown and woody. Under a light microscope, the structure of the foreign body was not apparent, and no typical flatworm tegument structure was demonstrated on pathologic sections, but it had a blood clot-like structure. Administration of albendazole did not expel any helminths. A stool examination showed no eggs of the putative flukes. The genomic DNA of the suspected flukes was extracted and a 700 bp fragment was amplified by universal barcoding primers. The sequencing showed that the homology with human cytochrome c oxidase subunit I gene was 98.8%. CONCLUSIONS The scab formed by the esophageal ulcer was identified based on clinical manifestations, anti-helminth and stool examinations, parasite morphology, and molecular biology. Our experience with this case suggests that the universal barcoding technique can be used for identification of foreign bodies suspected to be parasites. SN - 1941-5923 UR - https://www.unboundmedicine.com/medline/citation/32591495/Esophageal_Scab_Mimicking_a_Parasite:_A_Case_Report L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32591495/ DB - PRIME DP - Unbound Medicine ER -
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