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. 2023 Jan 24;26(2):343–353. doi: 10.1007/s40477-022-00761-5

Fig. 2.

Fig. 2

Ultrasonography shows fluid accumulation in the deep fascial layer. a The Lesion side had clinically suspected NF. b Non-lesion side had a normal skin appearance.

Source: Lin et al. with permission of the author