<prompt> Potts puffy tumor occurs as complication of which sinusitis:FrontalSphenoidEthmoidNone of the above  <response>: Ans. a Frontal Pott Puffy Tumor occurs if infection of frontal sinusitis spreads to the marrow of the frontal bone, causing localized osteomyelitis with bone destruction that can result in a doughy swelling of the forehead. Surgical drainage and debridement must be undertaken. 