Thyroid Gland Angiosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A usually aggressive malignant vascular tumor primarily involving the thyroid gland. It is often associated with longstanding nodular goiter.

**Synonyms:** - Angiosarcoma of Thyroid - Angiosarcoma of Thyroid Gland - Angiosarcoma of the Thyroid - Angiosarcoma of the Thyroid Gland - Hemangiosarcoma of Thyroid - Hemangiosarcoma of Thyroid Gland - Hemangiosarcoma of the Thyroid - Hemangiosarcoma of the Thyroid Gland - MESOTHELIOMA, ATRIOCAVAL, MALIGNANT - Thyroid Angiosarcoma - Thyroid Gland Hemangiosarcoma - Thyroid Gland Malignant Hemangioendothelioma - Thyroid Hemangiosarcoma