Congenital methemoglobinemia due to haemoglobinopathy-M

ABSTRACT

A rare medical case is reported for the first time in Iraq in a women of 35 years of age born with cyanosis not accompanied with dyspnea, the cause of cyanosis was found to be rare haemoglobin called methaemoglobin M. This condition is usually classified as hereditary, other ordinary causes of cyanosis was excluded by proper investigations