1. Abdominal Extraosseous Lesions of Multiple Myeloma: Imaging Findings
Anto Sedlic, MD, Christina Chingkoe, MD, Kit W. Lee, MBBS, Vinnay A. Duddalwar, MBBS, Silvia D. Chang, MD 
Canadian Association of Radiologists Journal 
Volume 65, Issue 1, Pages 2-8 (February 2014)
DOI: /j.carj
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2. Figure 1
(A, B) Contrast-enhanced portal-venous phase transverse and coronal reformat computed tomography (CT) images in a 54-year-old woman, showing central vein compression (A) (arrow). The diffuse extent of hepatic involvement and hepatomegaly is best demonstrated on the coronal images. (C) Contrast-enhanced delayed-phase CT in the same patient, demonstrating persistent hypoattenuation of the lesions. (D) Transverse ultrasound image of the liver in the same patient, demonstrating multiple hypoechoic heterogeneous nodules throughout the liver.
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3. Figure 2
Noncontrast computed tomography in a 62-year-old man, demonstrating 2 focal hypoattenuating lesions in the dome of the liver (arrows).
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4. Figure 3
(A) Contrast-enhanced transverse and coronal reformatted computed tomography images in a 75-year-old man with known multiple myeloma who presented with painless jaundice, showing a heterogeneously enhancing mass in the pancreatic head (arrow). (B) Biliary and pancreatic duct obstruction, with dilatation of the common bile duct (arrow) and pancreatic duct (short arrow). (C) Transverse abdominal ultrasound of the same patient, demonstrating a hypoechoic mass that involved the pancreatic head (arrow), with pancreatic duct dilatation (arrowhead).
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5. Figure 4
Contrast-enhanced transverse computed tomography image of a 53-year-old woman, demonstrating a heterogeneously enhancing mass in the tail of the pancreas (arrow).
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6. Figure 5
Contrast-enhanced computed tomography in a 67-year-old woman with known multiple myeloma who presented with an upper-gastrointestinal bleeding after gastric artery embolization, showing diffuse gastric infiltration with mural thickening. Hypoattenuating regions in the stomach and spleen are thought to represent infarctions (arrows).
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7. Figure 6
Contrast-enhanced computed tomography image of a 58-year-old man, demonstrating a large mesenteric mass (arrow) and extensive peritoneal deposits.
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8. Figure 7
Contrast-enhanced computed tomography image of a 54-year-old woman with a large, irregular, enhancing mesenteric mass posterior to the gastric fundus (arrow).
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9. Figure 8
(A) Contrast-enhanced computed tomography images of a 53-year-old woman with a lobulated enhancing mesenteric mass (arrow) and peritoneal implant (arrowhead). (B) Slightly lower image, demonstrating ascites with peritoneal enhancement (arrow).
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10. Figure 9
Computed tomography contrast-enhanced image of a 50-year-old man, showing a well-circumscribed left adrenal mass (arrow).
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11. Figure 10
(A) A 56-year-old man with a right perirenal myelomatous mass (arrow). (B) Ultrasound image of the same patient, demonstrating hypoechoic mass abutting the upper pole of the right kidney (arrow). (C) Coronal T2 single-shot fast spin-echo magnetic resonance image, showing a heterogeneous mass, with hyperintense internal signal, without definite renal invasion (arrow).
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12. Figure 11
Contrast-enhanced computed tomography image of a 55-year-old man, with nodular enhancing myelomatous mass (arrow) that encased the celiac artery and aorta.
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13. Figure 12
(A, B) Arterial-phase contrast-enhanced computed tomography image of a 59-year-old woman with a retroperitoneal mass (arrows), demonstrating hypervascular characteristics of arterial-phase enhancement compared with the portovenous phase (B).
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14. Figure 13
Contrast-enhanced computed tomography image through the pelvis of an 82-year-old man, demonstrating an enhancing soft-tissue mass within the right seminal vesicle (arrow).
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15. Figure 14
Contrast-enhanced computed tomography image of a 54-year-old woman with a large right pelvic mass (arrow), demonstrating heterogeneous enhancement.
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16. Figure 15
Contrast-enhanced computed tomography image through the pelvis of a 29-year-old woman, showing a mass (arrow) that involves the left gluteus muscles and the left internal iliac chain.
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17. Figure 16
(A) Contrast-enhanced computed tomography of a 82-year-old man, demonstrating a pancreatic myelomatous mass (arrow). (B) Near-complete radiologic resolution is demonstrated 3 months later, after 6 cycles of chemotherapy.
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18. Figure 17
(A) Contrast-enhanced computed tomography of a 59-year-old woman, demonstrating a myelomatous retroperitoneal mass (arrow) with decrease in size 5 months later after 6 cycles of chemotherapy (B) (arrow).
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