Which imaging studies are recommended for confirming a diagnosis of necrotizing enterocolitis in a premature infant?

Based on the provided context, specific recommended imaging studies for confirming a diagnosis of necrotizing enterocolitis in a premature infant are not detailed within the provided UK guidelines or the snippets from the peer-reviewed literature (Kim et al., 2020; Robinson et al., 2017). While the literature addresses challenges in diagnosing necrotizing enterocolitis and surgical aspects, the specific imaging modalities are not outlined in the given information (Kim et al., 2020; Robinson et al., 2017).