Accessory Nerve Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that affects the accessory nerve.

**Synonyms:** - Eleventh Cranial Nerve Neoplasm - Eleventh Cranial Nerve Neoplasms - Eleventh Cranial Nerve Tumor - Eleventh Cranial Nerve Tumors - Neoplasm of Eleventh Cranial Nerve - Neoplasm of Spinal Accessory Nerve - Neoplasm of the Eleventh Cranial Nerve - Neoplasm of the Spinal Accessory Nerve - Spinal Accessory Nerve Neoplasm - Spinal Accessory Nerve Neoplasms - Spinal Accessory Nerve Tumor - Spinal Accessory Nerve Tumors - Tumor of Eleventh Cranial Nerve - Tumor of Spinal Accessory Nerve - Tumor of the Eleventh Cranial Nerve - Tumor of the Spinal Accessory Nerve - XIth Cranial Nerve Neoplasms - XIth Cranial Nerve Tumors