Mucormycosis is one of the most fatal and rapidly progressive fungal infections in humans;
among its many forms. rhinocerebral mucormycosis is the most common. It is known to occur
as opportunistic infection in patients with uncontrolled diabetes, metabolic disorders, organ
transplantation, or autoimmune disease with prolonged steroid use. Pott’s puffy tumor is the
subperiosteal abscess of the frontal bone caused by trauma complication or frontal sinusitis. It
is considered as a very rare complication since the dawn of antibiotic treatments. We report a
case of chronic rhinocerebral mucormycosis involving Pott’s puffy tumor in a patient receiving
immunosuppressive therapy after lung transplantation.