Nasopharyngeal carcinoma is a rare tumor that accounts for 1-3% of all childhood malignancies. A 16-year-old patient with refractory nasopharyngeal carcinoma, whose treatment has to be interrupted due to COVID-19 positivity.After 6 weeks because of disease progression, we started his chemotherapy altough he is still COVID-19 positive. We didn't see any complication. Prolonged COVID-19 positivity is thought to be associated with the infection of immortal malignant cells located in the nasopharynx
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Clarivate Analytics, Journal Citation Reports 2025
SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.
See moreSNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.
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