University of California, San Francisco (UCSF) Thoracic Imaging

Dec 11th, 2020Dec 12th, 2020
Online
https://radiology.ucsf.edu/cme/ucsf-thoracic-imaging-2020-december
Two-day course, 8:45 a.m. to 2:45 p.m. Pacific time. Focus on CT of the chest and lungs. UCSF faculty: Brett Elicker, Travis Henry, Michael Hope, Kimberly Kallianos.
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The findings highlight the need for systematic dose tracking and rigorous justification of imaging.
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Images of a 39-year-old who underwent screening mammography. Right craniocaudal (left) and mediolateral oblique (middle) views from preoperative mammography show suspicious grouped fine pleomorphic calcifications (arrows). After biopsy showed ductal carcinoma of situ (DCIS), patient underwent breast-conserving surgery, yielding final diagnosis of ductal carcinoma in situ (intermediate grade, hormone receptor positive). (Right) Screenshot of an output of a commercial AI tool applied to preoperative mammography. AI detected right breast lesion with score of 95% on both views (concentric colored circles). Present study’s reviewing radiologist deemed AI marking to correspond with site of DCIS.
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Axial contrast-enhanced CT scan in a 28-year-old premenopausal woman shows an incidentally detected solid-appearing left ovarian lesion (solid arrow) anterior to the uterus (U), associated with trace ascites in the right adnexa and cul de sac (dashed arrows). At pathologic analysis, this was shown to be ovarian dysgerminoma. Two readers misdiagnosed this lesion, one as a leiomyoma and one as an ovarian fibroma.
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