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Branch-like gas in a commercial diver’s liver: a case report

We report the case of a 42-year-old commercial diver who presented with palpitations, arthralgia, tachypnea and vomiting after three hours of repetitive dives to 25-30 meters below sea level(msw). He was diagnosed with severe decompression sickness (Type II DCS) based on his dive history, his abrupt ascent to the surface within minutes, and systemic symptoms with mild hypovolemic shock. Besides remarkable cutis marmorata on the torso, the patient was also found positive for diffuse branch-like pneumatosis in the liver, mesentery and intestines on an abdominal computed tomography (CT). His vitals were relatively stable, with a soft distended abdomen and mild tenderness over the right upper quadrant. He was treated with hyperbaric oxygen (HBO2) treatment in addition to essential crystalloid resuscitation. The abdominal pneumatosis resolved completely after two HBO2 sessions. Post-diving intra-abdominal pneumatosis is a rare complication of DCS. In our case it was difficult for dive doctors to diagnose promptly because an emergency abdominal CT was not a routine for potential DCS cases. We propose that a contrast-enhanced abdominal CT, which usually involves a intravenous injection of imaging agent, should be considered in emergency management of these patients, especially when they present with gastrointestinal symptoms. 

DOI: 10.22462/04.06.2020.13