PMC6663046_01
Physical examination revealed significant and generalized oedema
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He presented with generalized oedema, but no skin flushing, urticaria, focal angioedema, stridor or lymphadenopathy was detected (Fig. 1).
Top panels: cardiovascular MRI did not show any relevant changes. Bottom panel: contrast-enhanced CT image of the abdomen without signs of acute ischaemic or non-viable gastrointestinal segments
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A thoracic x-ray, urinary study with 24-hour urine collection, a contrast-enhanced thoracoabdominal CT scan, and abdominal and renal ultrasound were all normal (Fig. 2). Transthoracic echocardiography and cardiovascular MRI did not show any relevant changes (Fig. 2).
Upper and small bowel capsule endoscopy did not show any lesions or other relevant changes
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Serum protein electrophoresis revealing monoclonal gamma/lambda gammopathy (IgG1) of unknown significance with lambda light chains, confirmed by an immunofixation study
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