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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Cyst - Synovial | 1A1 Cyst, Synovial (Case 2) H&E 1

Synovial cysts develop as degenerative processes, most typically in the lumbosacral region, in patients older than 65 years of age. Neurosurgical specimens are typically seen in pieces consisting of dense connective tissue and scattered fragments of hyperplastic synovial epithelium (arrows)

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