article_metadata: Christos Tzerefos George K Koukoulis Marianna Vlychou Alexandros G Brotis Kostas N Fountas Konstantinos N Paterakis
article_metadata: 10.25259/SNI_369_2021
article_metadata: Surg Neurol Int
article_metadata: 2021 May 10;12:220.
article_metadata: bursitis rheumatoid arthritis sacrococcygeal
article_metadata: CC BY-NC-SA
article_metadata: https://pubmed.ncbi.nlm.nih.gov/34084647/
article_metadata: Case Reports
article_metadata: PMC8168713
article_metadata: 34084647
article_metadata: Bursitis of the coccyx in an adult with rheumatoid arthritis mimicking a sacrococcygeal meningocele
article_metadata: 2021