Methylene Blue Induced Bluish Discoloration Mimicking Cyanosis, at Diagnostic Laparoscopy

Methylene Blue Induced Bluish Discoloration Mimicking Cyanosis, at Diagnostic Laparoscopy

Methylene blue is commonly used to check patency of Fallopian tubes and tracking fistulae. Intraversation of methylene blue is a recognized complication of diagnostic laparoscopy and dye test. Although a case of cyanosis due to methaemoglobinaemia following methylene blue use is a known complication, cyanosis without methaemoglobinaemia is unknown.