Which of the following is the organism causing chronic burrowing ulcer?
Peptostreptococcus
Streptococcus viridans
Streptococcus pyogenes
Microaerophilic streptococci
Chronic Burrowing ulcer is also known as Meleney's ulcer. This type of ulcer is caused by a hemolytic microaerophilic Streptococci, and usually develops after surgery on the intestinal or genital tract. Ref: A Manual On Clinical Surgery, By, S.Das,Page, 52, 53; Oxford Textbook Of Surgery, 2000, 2nd Edition, Page 105; Textbook of Surgery By Gupta, 2nd edition page 66.