On 10 August 2011, Masoumi died from
blood cancer from which he had been suffering since 2008. Despite this, Masoumi believed beforehand that he was cured of the disease. Masoumi had struggled to pay for his medical care and in November 2008, an
exhibition game was played between
Esteghlal and a
Selection of Karaj team in order to raise money for the medical treatment of Masoumi and Mohammad Parsa. In addition to this Iranian football star
Ali Karimi paid for Masoumi's medical bills. His body was buried on 12 August 2011, in
Karaj. ==Honours==