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. 2019 Jun 1;57(2):61–67. doi: 10.5152/tao.2019.4142

Figure 4.

Figure 4

a, b. Fluid collection as seen in the maxillary (a) and ethmoid (b) sinuses (blue arrows). In figure b, there is a fluid collection in also the maxillary (red arrow) and the sphenoid (yellow arrow) sinuses