|Wolfe and Evans  ||A roentgenographic demonstration with postmortem anatomical correlation in a neonate with NEC.||First report of HPVG 1955.|
|Liebman et al. ||This study reviews the 64 reported cases in the literature of HPVG that appears as a branching radiolucency extending to within 2 cm of the liver capsule. |
Analysis of survivors indicates that the finding of HPVG requires urgent surgical exploration except when it is observed in patients with stable ulcerative colitis.
|Literature review of HPVG by plain abdominal radiograph and a reported mortality of 75%.|
|Kinoshita et al. ||This study reviewed the literature on 182 cases of HPVG in adults, and the overall mortality was 39% but varied depending on the underlying disease.||Literature survey of HPVG by plain radiograph and CT|