Fistula or sinus – Physical examination including the General and Systemic examinations step by step discussion along with all the possible differential diagnosis. I.What are the possible diagnosis of a Sinus/Fistula : A. Differential diagnosis of a Sinus: B. Differential diagnosis of a Fistula : II. What are the General examination of a Sinus/Fistula : … Continue reading How to examine a Fistula or a Sinus