• Ye Liu, Mengyu Liu, and Yongkang Nie.
• Department of Radiology, General Hospital of Chinese People's Liberation Army, P.R. China.
• Ann. Med. 2023 Jan 1; 55 (2): 22638692263869.

ObjectivesTo improve diagnostic accuracy of pulmonary mucoepidermoid carcinoma (PMEC) through multi-detector computed tomography (MSCT) findings.MethodsMSCT findings of 27 histopathologically confirmed PMEC cases were retrospectively analyzed, including the location, size, margin, density, enhancement of the lesion and accompanying signs.ResultsAmong the 27 PMEC cases, 6 (6/27, 22.2%) were the large airway pattern, 14 were (14/27, 51.9%) the pulmonary hilum pattern, and 7 (7/27, 26.9%) were the peripheral pattern. Among those 20 cases with central pattern(6 large airway and 14 pulmonary hilum patterns), 6 presented mild enhancement, 4 moderate enhancement, 5 severe enhancement, 5 heterogeneous enhancement, and 3 with calcification. 7 cases with peripheral patterns were presented as solid pulmonary nodules and masses, 3 with severe enhancement, 1 with moderate enhancement and 3 with mild enhancement. Four cases accompanied by lymph nodal metastasis, and 7 cases with distant organ metastasis. Age(t = -3.132, p = 0.005), enlarged lymph node (x2 = 9.281, p = 0.005), and distant metastasis(x2 = 7.816, p = 0.008) were statistically significant in the low-grade group and high-grade group.ConclusionsMSCT images of PMEC patients demonstrated some characteristic findings, which would help improve the diagnostic accuracy of the disease.

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