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One of the pitfalls in diagnosis is confounding by conditions that are known risk factors for MVT:
Unfortunately, significant delays often occur between presentation and the diagnosis of MVT because of the nonspecific nature of symptoms. For example, pain resulting from MVT after abdominal surgery is often mistakenly assumed to be postoperative discomfort. Pain in the setting of inflammatory bowel disease is often attributed to disease exacerbation. A high index of suspicion and rapid diagnosis are critical to prevent delays in therapy and adverse outcomes.