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Click 17 year old female with left superior thyroid abscess. Axial images from an intravenous contrast enhanced CT imaging of the neck using a Siemens Sensation 10 CT machine (kVp 120, auto mAs setting (range 66 - 349), 3 mm slice thickness) for evaluation of neck swelling. A marker was placed over the patient indicated region of swelling. There is a focal mass in the superior left thyroid pole with central low density, consistent with fluid. The periphery demonstrates increased density, consistent with an abscess wall; however, it does not enhance as avidly as the adjacent thyroid tissue.

Click 17 year old female with left superior thyroid abscess. Coronal images from an intravenous contrast enhanced CT imaging of the neck using a Siemens Sensation 10 CT machine (kVp 120, auto mAs setting (range 66 - 349), 3 mm slice thickness) for evaluation of neck swelling. A marker was placed over the patient indicated region of swelling. There is a focal mass in the superior left thyroid pole with central low density, consistent with fluid. The periphery demonstrates increased density, consistent with an abscess wall; however, it does not enhance as avidly as the adjacent thyroid tissue.

Click 17 year old female with left superior thyroid abscess. Sagittal images from an intravenous contrast enhanced CT imaging of the neck using a Siemens Sensation 10 CT machine (kVp 120, auto mAs setting (range 66 - 349), 3 mm slice thickness) for evaluation of neck swelling. A marker was placed over the patient indicated region of swelling. There is a focal mass in the superior left thyroid pole with central low density, consistent with fluid. The periphery demonstrates increased density, consistent with an abscess wall; however, it does not enhance as avidly as the adjacent thyroid tissue.

Click 17 year old female with left superior thyroid abscess. Follow up CT scan 6 months after successful open surgical drainage of a left thyroid abscess. Intravenous contrast enhanced CT was performed using a Toshiba Aquilion CT scanner (kVp 120, auto mAs setting (range 131 - 440), 3 mm slice thickness). Axial reconstructions demonstrate resolution of the superior left thyroid lesion, with soft tissue in the inferior left pyriform sinus, concerning for underlying fistulous tract.

Click 17 year old female with left superior thyroid abscess. Follow up CT scan 6 months after successful open surgical drainage of a left thyroid abscess. Intravenous contrast enhanced CT was performed using a Toshiba Aquilion CT scanner (kVp 120, auto mAs setting (range 131 - 440), 3 mm slice thickness). Coronal reconstructions demonstrate resolution of the superior left thyroid lesion, with soft tissue in the inferior left pyriform sinus, concerning for underlying fistulous tract.

Click 17 year old female with left superior thyroid abscess. Follow up CT scan 6 months after successful open surgical drainage of a left thyroid abscess. Intravenous contrast enhanced CT was performed using a Toshiba Aquilion CT scanner (kVp 120, auto mAs setting (range 131 - 440), 3 mm slice thickness). Sagittal reconstructions demonstrate resolution of the superior left thyroid lesion, with soft tissue in the inferior left pyriform sinus, concerning for underlying fistulous tract.

Click 17 year old female with left superior thyroid abscess. Ultrasound performed using a Siemens Acuson Sequoia ultrasound machine (14 mHz linear transducer). Transverse gray scale images demonstrate a centrally hypoechoic, peripherally isoechoic collection in the upper aspect of the left thyroid lobe.

Click 17 year old female with left superior thyroid abscess. Ultrasound performed using a Siemens Acuson Sequoia ultrasound machine (14 mHz linear transducer). Longitudinal Doppler images demonstrate a centrally hypoechoic, peripherally isoechoic collection in the upper aspect of the left thyroid lobe with scattered peripheral vascularity.

Click 17 year old female with left superior thyroid abscess. Ultrasound performed using a Siemens Acuson Sequoia ultrasound machine (14 mHz linear transducer). Longitudinal gray scale images demonstrate a centrally hypoechoic, peripherally isoechoic collection in the upper aspect of the left thyroid lobe.