Follicular conjunctivitis is one of those topics that always seems to pop up on exams. Because questions can be asked about the pathology and differential diagnosis, this is a topic that probably should be very familiar to you.
Molluscum Contagiosum
There are a lot of practice questions on molluscum contagiosum. Although its clinical appearance and histopathology are fairly distinctive, I often confuse this with keratoacanthoma.