COMPANION MEETINGS American Society of Cytopathology Case 1 Submitted by: Yun Gong, UT M. D. Anderson Cancer Center Clinical History: PA 42-year old woman with a non-tender anterior neck nodule found incidentally by self-palpation She had no past family or personal history of malignancy Case 1 - Figure 1 Case 1 - Figure 2 Case 1 - Figure 3 Case 2 Submitted by: Ed Stelow, University of Virginia Imagine, If You Will... It's 4:30 on Friday Last cytology case A thyroid FNA from outside that did not have any on-site interpretation It is from a 45-year old woman with a "2.5 cm left thyroid nodule" You open the tray...there are 20 slides that all look bloody, you cannot grossly see any colloid and...there are very few dots from your screener Case 2 - Figure 1 Case 2 - Figure 2 Case 2 - Figure 3 Case 2 - Figure 4 What You Have Blood, a lot 15-20 groups of follicular cells… no microfollicles, occasional sheets No nuclear features of papillary CA A little colloid, probably Some siderophages What is your diagnosis? Case 3 Submitted by: Mike Thrall, The Methodist Hospital, Houston, TX and Weill Cornell Medical College Clinical History: 50 Year-Old Female: 1.8 cm Left Thyroid Nodule Ultrasound-Guided FNA Case 3 - Figure 1 Case 3 - Figure 2 Case 3 - Figure 3 Case 3 - Figure 4