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Papers of the Week

2020 Apr 17

BMC Nephrol



A 64-year-old woman with raccoon eyes following kidney biopsy: a case report.


Mei S, Zhao Y, Li L, Mei C, Dai B
BMC Nephrol. 2020 Apr 17; 21(1):140.
PMID: 32303194.


Raccoon eyes or periorbital ecchymosis is caused by blood tracking into periorbital tissues, which is mostly recognized in injuries of head and neck, basal skull fractures, convexity fractures and facial fractures. It was also reported in systematic disorders, such as multiple myeloma, amyloidosis, Kaposi's sarcoma, migraine and neuroblastoma. However, it is unusual to see a patient showing periorbital purpura after kidney biopsy with no other ecchymosis. Here, we firstly reported this rare symptom after kidney biopsy in a patient who was finally diagnosed as immunoglobulin light chain (AL) amyloidosis.