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tailgut cyst

Monday 5 October 2020

PO

Gross

- 2 - 12 cm (mean 9.5 cm) multilocular cyst

Microscopy

- multilocular cyst with squamous, mucinous, simple, pseudostratifed ciliated or transitional lining
- may contain bundles of smooth muscle in cyst wall
- meningeal tissue, thyroid tissue and glomus bodies have also been reported

Differential diagnosis

- anal gland cyst
- duplication cyst
- epidermal cyst
- sacral meningocele
- teratoma / dermoid cyst

See also

- anal cysts