Trochlear Nerve Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm affecting the trochlear nerve (IVth cranial nerve).

**Synonyms:** - Fourth Cranial Nerve Neoplasm - Fourth Cranial Nerve Neoplasms - Fourth Cranial Nerve Tumor - Fourth Cranial Nerve Tumors - IVth Cranial Nerve Neoplasms - IVth Cranial Nerve Tumors - Neoplasm of Fourth Cranial Nerve - Neoplasm of Trochlear Nerve - Neoplasm of the Fourth Cranial Nerve - Neoplasm of the Trochlear Nerve - Trochlear Nerve Neoplasms - Trochlear Nerve Tumor - Trochlear Nerve Tumors - Tumor of Fourth Cranial Nerve - Tumor of Trochlear Nerve - Tumor of the Fourth Cranial Nerve - Tumor of the Trochlear Nerve