article_metadata: Po-Cheng Lo Chung-Tai Yue Woon-Man Kung
article_metadata: 10.2147/JMDH.S316738
article_metadata: J Multidiscip Healthc
article_metadata: 2021 Jun 28;14:1593-1598.
article_metadata: birefringent crystals calcium pyrophosphate dihydrate lumbar extradural tumor polarized light microscopy sciatica
article_metadata: CC BY-NC
article_metadata: https://pubmed.ncbi.nlm.nih.gov/34234447/
article_metadata: Case Reports
article_metadata: PMC8253935
article_metadata: 34234447
article_metadata: Lumbar Extradural Pseudogout Mass Manifesting as Radiculopathy: A Case Report
article_metadata: 2021