Complex regional pain syndrome (CRPS) goes along with secondary #hyperparathyroidism. Our group was the first to describe this. The mechanism leading to #sHPT is unclear, but it may contribute to the loss of bone substance in #CRPS.
https://pubmed.ncbi.nlm.nih.gov/30747906/
https://doi.org/10.1097/j.pain.0000000000001520