Reflections on Covid19 nasopharingeal, faecal and peritoneal swabs in an infant with Wilms tumor: A case report

Alberto Mantovani, Giulia Bortot, Elisa Negri, Chiara Cini, Maria Chiara Cianci, Luca Landi, Lorenzo Masieri

Abstract


Proximal Sars-Cov-2 pandemic had radically changed the way surgeons work in many departments, forcing to reserve surgical treatment only for emergency and oncologic cases. We report a case of a ten months-old girl with right-sided Wilms tumor and a previous diagnosis of Sars-Cov-2 infection, who underwent open right nephrectomy. Surgery was planned after negativization of five nasopharyngeal tests, despite the simultaneous positivity of two rectal swabs. The procedure was performed safely with appropriate personal protective equipment (PPE). To better investigate viral excretion, the anesthetist repeated nasopharyngeal swab under general anesthesia, which resulted positive. At the same time, two peritoneal swabs were collected and showed the absence of the virus in the peritoneal fluid. This case highlights the importance of combining swabs from various sources to increase sensibility of the test. The value of nasopharyngeal swab under general anesthesia should be reinforced as it can result positive even after many negative tests. Very little is known about
transmission of the virus through the peritoneum as both presence and absence of Sars-Cov-2 have been reported in the peritoneal fluid. Next literature will clarify which particular conditions determine viral penetration in this anatomical district.


Keywords


COVID-19, peritoneal swab, Wilms tumor, nephrectomy, pediatric surgery, pediatric urology.

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References


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DOI: http://dx.doi.org/10.14534/j-pucr.2020461268

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