Possibility of visualization of gastrothorax based on unenhanced postmortem computed tomography/PMCT

•We present a fatal case of a gastrothorax due to an acute gastric volvulus resulting from a Bochdalek hernia.•The reported case shows impressive and highlights the value of routine postmortem CT in case of organ displacement.

We present a fatal case of a gastrothorax due to an acute gastric volvulus resulting from a Bochdalek hernia. A 5-year-old boy without previous medical history was brought to our institution in a state of cardiopulmonary arrest and was subsequently pronounced dead. Postmortem computed tomography (PMCT) of the torso showed abdominal organs involving the lower section of the esophagus up to the entire stomach, the left side of the transverse colon, the entire spleen, and the tail of the pancreas herniated into the left thoracic cavity. The stomach was markedly expanded and a mesentero-axial (rotation along the short axis) volvulus was observed, displacing mediastinal structures to the right side and depressing the diaphragmatic contour. A PMCT of the thorax at the lung window setting revealed displacement of bilateral lungs. The bilateral lungs were severely atelectatic and congested. The PMCT findings mentioned above were consistent with the autopsy findings. PMCT can provide useful information for the diagnosis in cases we initially cannot predict any significant changes, for example, organ displacement.

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