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Recurrent protein-losing enteropathy complicated by postural right subclavian vein compression and right-sided
Mariko Kato1, Takanari Fujii1, Masayoshi Yamamoto2
1Pediatric Heart Disease and Adult Congenital Heart Disease Center, Showa University Hospital, Tokyo, Japan.
Abstract:
We report the case of a 16-year-old female patient with protein-losing enteropathy that was suspected to be caused by thoracic duct congestion associated with postural compression of right subclavian vein. Non-contrast magnetic resonance lymphangiography showed that the thoracic duct connected to the right-sided venous angle of the right subclavian vein which was obstructed when her right arm was lifted. In this case, comprehensive screening of the lymphatics using non-contrast magnetic resonance lymphangiography, which is a minimally invasive tool with high spatial resolution, was helpful for the recognition of the specific pathophysiology.
Learning Objective:
Lymphatic disorders associated with congenital heart disease can be fatal. The morphology and dysfunction of the lymphatic system are complicated, and when added to the complex hemodynamics inherent to congenital heart disease, the pathophysiology is more difficult to understand. To understand the complexity of the lymphatic disease, it is necessary to learn a systematic diagnostic process of lymphatic disorders. In the present case, it is beneficial to know the usefulness of non-contrast magnetic resonance lymphangiography to screen overall lymphatics.
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