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
2010 Internal medicine (Tokyo. 1992)  
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
more » ... percalcemia, acute kidney injury and a large thoracal mass on chest X-ray masquerading as lung cancer.
doi:10.2169/internalmedicine.49.3709 pmid:20930442 fatcat:4tlwpj2s7rgr5clheg6prtzd2a