title: Malignant lymphoma arising within thyroid tissue in a mature cystic teratoma.
abstract: A 24-year-old woman was found to have a diffuse large cell lymphoma arising within thyroid tissue within a mature cystic teratoma of the ovary. To the authors' knowledge, this is the first reported case of malignant lymphoma arising within a teratoma of the ovary.
mesh_terms: D000328:Adult; D002828:Choristoma / Q000473:pathology*; D003884:Dermoid Cyst / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000473:pathology*; D010051:Ovarian Neoplasms / Q000473:pathology* / Q000601:surgery; D013961:Thyroid Gland