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Fig. 5 | BMC Medical Imaging

Fig. 5

From: RSNA and BSTI grading systems of COVID-19 pneumonia: comparison of the diagnostic performance and interobserver agreement

Fig. 5

a, b Case examples defined in the non-COVID for the BSTI guidance statement, and in the atypical category for the RSNA expert consensus statement. a An axial chest CT image of a 36-year-old male without COVID-19 shows centrilobular nodules without GGOs in the left upper lobe (arrows). The final diagnosis was bronchial pneumonia. b An axial chest CT image of a 37-year-old male without COVID-19 shows centrilobular nodules and tree-in-bud appearance without GGOs in the right middle and left lingula segment (arrows). The final diagnosis was of lung tuberculosis

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BMC Medical Imaging

ISSN: 1471-2342

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