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A 48-year-old woman with right cheek swelling and blocked nasal passage on the right. Contrast CT shows a homogeneous mass that originates from the right maxillary sinus and extends to the nasal cavity and the cheek. The mass shows slightly lower density than surrounding muscle. CT scan from a patient with the same diagnosis shows a mass in the right ethmoidal sinus with destruction of surrounding bony structures.
A 70-year-old man with a history of alcoholism, now with hemoptysis. Contrast CT shows uniformly enhancing, dilated, tortuous structures surrounding the esophagus. In addition, the liver is small and nodular, and the spleen is enlarged.
A 43-year-old man with painless, gross hematuria. Abdominal CT scan revealed a large left renal mass with extension into the left renal pelvis and ureter.
thyroid CT images