Doctrines of res judicata and collateral estoppel did not bar review petition to add left ulnar nerve injury because a judge in prior decision rejected medical expert’s opinion that claimant’s symptoms were caused by injury to left ulnar nerve.

A Workers’ Compensation Judge issued a decision granting a claim petition and recognizing work-related injuries in the nature of left wrist a What’s Hot in Workers’ Comp is prepared by Marshall Dennehey to provide information on recent legal developments of interest to our read