Browse the corpus

Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

1 passage

contentuptodate· Content· item f25_39_26239

©2013 UpToDate ® Print Email Battery versus coin ingestion Enlarged radiographic comparison between the camera battery ingestion (left) and the coin ingestion (right) will show the subtle but characteristic differences between the two foreign bodies. The bilaminar structure of the button battery gives it a double-ring or halo appearance on plain radiograph, whereas the appearance of the coin is homogeneous. Courtesy of Barbara Specter, MD.