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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 23:316-318, February 2002
© 2002 American Society of Neuroradiology

Case Report
HEAD AND NECK

Multiple Myeloma Involving the Thyroid Cartilage: Case Report

Jacob Sosna^a,d, B. Simon Slasky^a, Ora Paltiel^b, Galina Pizov^c and Eugene Libson^a

^a Department of Radiology, Hadassah Hebrew University Hospital, Jerusalem, Israel
^b Department of Hematology, Hadassah Hebrew University Hospital, Jerusalem, Israel
^c Department of Pathology, Hadassah Hebrew University Hospital, Jerusalem, Israel
^d Department of Radiology, Beth-Israel Deaconess Medical Center, Boston, MA

Address reprint requests to Jacob Sosna, MD, Department of Radiology, Beth-Israel Deaconess Medical Center, One Deaconess Road, Boston, MA 02215

Summary: Multiple myeloma involving the thyroid cartilage is exceedingly rare. We describe a patient with progressive airway obstruction due to diffuse involvement of the thyroid cartilage with multiple myeloma. CT revealed a conglomerate of calcifications of the thyroid cartilage. Additional classic lytic lesions of multiple myeloma were subsequently found in the bones, without associated calcifications. Calcified matrix in multiple myeloma involving the thyroid cartilage should now be included as an additional manifestation of extraosseous multiple myeloma.