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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/185971
SARS-CoV-2 identified by transmission electron microscopy in lymphoproliferative and ischaemic intestinal lesions of COVID-19 patients with acute abdominal pain: two case reports.
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SARS-CoV-2 may produce intestinal symptoms that are generally mild, with a small percentage of patients developing more severe symptoms. The involvement of SARS-CoV-2 in the physiopathology of bowel dam‑ age is poorly known. Transmission electron microscopy (TEM) is a useful tool that provides an understanding of SARSCoV-2 invasiveness, replication and dissemination in body cells but information outside the respiratory tract is very limited. We report two cases of severe intestinal complications (intestinal lymphoma and ischaemic colitis) in which the presence of SARS-CoV-2 in intestinal tissue was confrmed by TEM. These are the frst two cases reported in the literature of persistence of SARS-CoV-2 demonstrated by TEM in intestinal tissue after COVID 19 recovery and SARSCoV-2 nasopharyngeal clearance.
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MARTIN CARDONA, Albert, et al. SARS-CoV-2 identified by transmission electron microscopy in lymphoproliferative and ischaemic intestinal lesions of COVID-19 patients with acute abdominal pain: two case reports. BMC Gastroenterology. 2021. Vol. 21, num. 1, pags. 334. ISSN 1471-230X. [consulted: 6 of June of 2026]. Available at: https://hdl.handle.net/2445/185971