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| Figure 6: A 57-year-old Caucasian woman with Horton’s arteritis. (a) US which reveals an intraparenchymal ill-defined hypoechoic nodule in the lower left lobe. PROTOCOL: iU22 with a probe center frequency of 9-12 MHz (Philips). (b) By ultrasound guided fine needle aspiration cytology of the lower left lobe. Cytology (TiR6): papillary carcinoma. |
