Abstract
Non-occlusive mesenteric ischaemia (NOMI) refers to irreversible intestinal ischaemia and necrosis in the absence of organic obstruction to the mesenteric blood vessels. In cases of delayed diagnosis, the prognosis is poor and the mortality rate is 58-70%, being the highest among patients with acute mesenteric ischaemia. The risk factors for this disease include heart disease, sepsis, and administration of catecholamines and digitalis; however, there are few reports of its onset during drug therapy for malignant tumours. The present study reported the case of an 85-year-old man who developed NOMI during drug therapy for maxillary cancer. The patient was diagnosed with right maxillary carcinoma, for which paclitaxel, carboplatin and cetuximab (PCE) therapy was administered. Four days after starting the second course of PCE therapy, the patient visited the emergency department of our hospital with chief complaints of melena and abdominal pain. Contrast-enhanced computed tomography revealed ischaemia from the transverse to the descending colon, leading to a diagnosis of NOMI. Colectomy and colostomy were performed during the emergency surgery on the same day. Although the patient's general condition improved, he was transferred to a recuperation facility for palliative care.
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