CT-scan at the level of the anterior superior iliac spine demonstrates the subcutaneous abscess with gas bubbles (white arrow) before the drainage and five days following the drainage.

 
 
  Part of: Bakopoulos A, Koliakos N, Katsaros I, Hasemaki N, Tsapralis D, Tsilimigras DI, Moris D, Schizas D (2022) An extremely rare clinical manifestation of acute appendicitis in a nonagenarian patient: lessons still to be learned. Folia Medica 64(3): 527-531. https://doi.org/10.3897/folmed.64.e62008