| Health / Medical Topics |
Thyroid Gland Teratoma
A mature or immature multicystic germ cell tumor involving or being in direct continuity with the thyroid gland. Microscopically, many tissue types and growth patterns may be seen. According to the presence of mature or immature tissue elements, these lesions are graded from I to IV. The prognosis depends on the age of the patient, the tumor size at presentation, and the histologic grade. (NCI Thesaurus)
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