J Korean Soc Radiol.  2019 Sep;80(5):997-1002. 10.3348/jksr.2019.80.5.997.

A Case Report of Extramedullary Myeloma Mimicking Lymphoma with Extensive Abdominal Involvement

Affiliations
  • 1Department of Radiology, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea. jeongah.h09@gmail.com
  • 2Department of Pathology, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea.
  • 3Department of Radiology, Soonchunhyang University College of Medicine, Bucheon Hospital, Bucheon, Korea.
  • 4Division of Hematology-Oncology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Soonchunhyang University Hospital, Seoul, Korea.

Abstract

Extramedullary myeloma refers to the presence of myeloma deposits outside the skeletal system and typically indicates a poor prognosis associated with shorter overall survival and progression- free survival. We report a case of extramedullary myeloma with extensive, abdominal multi-organ involvement mimicking lymphoma at initial diagnosis. Bulky retroperitoneal masses with severe diffusion restriction and patency of encased vessels can be MR findings of both myeloma and lymphoma. Radiologic findings such as arterial hyperenhancement, obstructive uropathy, and the lack of associated lymphadenopathy may favor a diagnosis of myeloma over lymphoma.


MeSH Terms

Diagnosis
Diffusion
Lymphatic Diseases
Lymphoma*
Magnetic Resonance Imaging
Multiple Myeloma
Prognosis
Sarcoma, Myeloid
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