Kassahn v. Publishers Paper Co.

Claimant seeks review of an order of the Workers’ Compensation Board affirming a referee’s determination that claimant suffered neither an aggravation of a May 12, 1980, compensable industrial injury nor an occupational disease. We hold that claimant proved an aggravation and remand for processing of his claim in accordance with ORS 656.262.

Claimant first suffered a compensable injury to his back in 1972. His doctors performed a “bilateral L4-5-S1 posterior fusion” to treat a bilateral spondylolysis at L-5. A March 20, 1972, medical report described his condition as “acute lumbosacral strain…