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Abstract Background Waldenström’s macroglobulinaemia is a rarely encountered B-lymphocytic malignancy. Waldenström’s macroglobulinaemia-associated paraproteinaemia is linked to an increase in serum viscosity, which results in a hypercoagulable state. Burning bilateral foot pain in a man with alcohol dependence and controlled atrial fibrillation presenting to the emergency department was attributed to peripheral neuropathy, given satisfactory angiographic evidence of bilateral foot arterial blood supply. Subsequently, his presentation as an emergency with acute bilateral critical lower limb ischemia that was managed by bilateral above-knee amputations, prompted a wider search for other etiologies. We present a hitherto unreported case of Waldenström’s macroglobulinaemia-related acute bilateral lower limb ischemia, which required bilateral above-knee amputations. Case presentation A 50-year-old Caucasian man, who was an alcohol dependent heavy smoker, presented with burning pain in his right foot that was deemed to be related to alcoholic neuropathy. A computerized tomographic angiogram demonstrated an occluded right distal anterior tibial artery but a patent posterior tibial artery supplying the foot arch, findings that were associated with noncritical ischemia. After multiple presentations within a week, he was admitted following sudden clinical deterioration with acute confusion, hyponatremia, and bilateral foot pain. Over the course of 24 hours, the patient deteriorated rapidly, with bilateral lower limb ischemia requiring bilateral above-knee amputations. Subsequent investigations revealed a diagnosis of Waldenström’s macroglobulinaemia. Conclusions To the best of our knowledge, this is the only reported case of Waldenström’s macroglobulinaemia-induced bilateral lower limb ischemia requiring major bilateral amputations. |
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