(Gabriella Demczuk for WSJ) As the RNC nears its close, the ersatz ear bandages, which emerged on the convention's second evening as mere taped-on white strips, reached their final form.

Read more: What's Really Going On With Donald Trump's Marriage Just under two weeks after the rally shooting, Donald Trump ...

He entered the convention center wearing a massive bandage on his right ear, where the bullet wounded him. In the days that followed, some of his supporters started sporting bandages of their own.

A biopsy may be indicated if a mass is identified in or around the ear canal. There are many treatment options, including needle aspiration, tube drainage, incisional drainage and bandaging.