A Rare Masquerader of Lung Cancer: Nonsecretory Multiple Myeloma with Plasmacytoma of Bone Presenting as Acute Kidney Injury

Ibrahim Guney; Yalcin Solak; Huseyin Atalay; Lutfullah Altintepe; H. Zeki Tonbul

doi:10.2169/internalmedicine.49.3709

CASE REPORTS

A Rare Masquerader of Lung Cancer: Nonsecretory Multiple Myeloma with Plasmacytoma of Bone Presenting as Acute Kidney Injury

Ibrahim Guney, Yalcin Solak, Huseyin Atalay, Lutfullah Altintepe, H. Zeki Tonbul

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Keywords: acute kidney injury, lung cancer, masquerader, nonsecretory multiple myeloma, plasmacytoma of bone

JOURNAL OPEN ACCESS

2010 Volume 49 Issue 19 Pages 2133-2135

DOI https://doi.org/10.2169/internalmedicine.49.3709

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Abstract

Multiple myeloma (MM) is a neoplasm of B cell lineage characterized by excessive proliferation of abnormal plasma cells which produce immunglobulins. If a monoclonal spike is not found in serum or urine but the patient has clinical findings and bone marrow plasma cell infiltration suggestive of MM, then the patient may have a rare subtype known as nonsecretory multiple myeloma (NSMM). Here, we describe a rare case of NSMM with plasmacytoma of bone who presented with severe hypercalcemia, acute kidney injury and a large thoracal mass on chest X-ray masquerading as lung cancer.

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