你是要诊断follicular carcinoma吗？需要trans capsular invasion or lymphovascular invasion. 此病例看着像transcapsular invasion which is difficult to judge even with glass slides and with great inter-observer variation.  Lymphovascular invasion is easier to judge and more reliable.  You don't need 浸润for papillary carcinoma.

You don't have much high power field to evaluate nuclear features for papillary carcinoma.  But the last photo seems to show possible nuclear clearing and grooves.  So, another consideration for this case is  follicular variant of papillary carcinoma.

 是的