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The Journal of Bone & Joint Surgery British Volume
Vol. 55-B, Issue 1 | Pages 20 - 31
1 Feb 1973
Crellin RQ Jones ER

1. Seven cases of sacral extradural cyst are reported.

2. The etiology and clinical features are discussed and the literature reviewed.

3. The differential diagnosis is discussed; certain features, useful in making the diagnosis of sacral extradural cysts, are recorded.

4. When a cyst causes symptoms excision brings relief. Because some cysts are symptomless, it is important to exclude an accompanying prolapsed intervertebral disc.