**Core Concept**
Primary neurogenic tumors originate from the cells of the nervous system, including the central nervous system (CNS) and peripheral nervous system (PNS). These tumors can arise from various neural tissues such as glial cells, neurons, or Schwann cells.

**Why the Correct Answer is Right**
The correct answer is a type of tumor that is known to originate from the neural crest cells, which are precursors to the glial cells and Schwann cells of the peripheral nervous system. This type of tumor is characterized by its slow growth and potential for malignant transformation. The **schwannoma** arises from the Schwann cells, which are responsible for the myelination of peripheral nerves.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it refers to a type of tumor that is not primarily neurogenic.
**Option B:** This option is incorrect because it refers to a type of tumor that is not primarily neurogenic.
**Option D:** This option is incorrect because it refers to a type of tumor that is not primarily neurogenic.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that neurogenic tumors can be benign or malignant and may arise from various neural tissues. Schwannomas are typically benign but can cause compression of surrounding nerves, leading to symptoms such as pain, numbness, or weakness.

**Correct Answer:** C. Schwannoma.