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Ann Coloproctol. 2017 Apr;33(2):70-73. doi: 10.3393/ac.2017.33.2.70. Epub 2017 Apr 28.

Multiple Myeloma Mimics Bone Metastasis From a Rectal Adenocarcinoma.

Author information

1
Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
2
Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
3
Department of Nuclear Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.

Abstract

A presumptive diagnosis of bone metastasis can be easily made when a patient with a history of colorectal cancer develops bone lesions that are seen on follow-up imaging. In this case report, we describe a patient whose multiple bone lesions were wrongly attributed to a recurrence of rectal cancer rather than being identified as multiple myeloma lesions. When clinicians detect new, abnormal, bony lesions in a patient with a previous history of cancer, they should consider diseases such as multiple myeloma in their differential diagnosis.

KEYWORDS:

Bone metastasis; Multiple myeloma; Rectal neoplasms

Conflict of interest statement

CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported.

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