Careful inspection can quickly give us important diagnostic information. Some observations are unusual and intriguing. I will try to publish such cases. And I will be glad to publish something yours if you send them to me.
Case:
This middle-aged man had a thyroid-cancer surgery about twenty years ago. Now we can clearly see his right carotids under the skin. I never see that before, and my first idea was 'Some strange jugular veins'.