Tumor arises from embryonic neural cells?
**Core Concept**
The question refers to a type of tumor that originates from embryonic neural cells, which are precursors to the central nervous system (CNS) and peripheral nervous system (PNS). This concept is related to neuro-oncology and the development of the nervous system.
**Why the Correct Answer is Right**
Tumors that arise from embryonic neural cells are known as neuroectodermal tumors. These tumors can occur in various parts of the CNS and PNS, including the brain, spinal cord, and peripheral nerves. The most common types of neuroectodermal tumors are gliomas, which are tumors that arise from glial cells, and schwannomas, which are tumors that arise from Schwann cells. The development of these tumors is thought to be related to genetic mutations that occur during embryonic development.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the type of tumor that arises from embryonic neural cells. While some tumors do arise from neural crest cells, this is not the same as neuroectodermal tumors.
**Option B:** This option is incorrect because it refers to a type of tumor that arises from epithelial cells, not neural cells. Carcinomas are a type of epithelial tumor that can occur in various parts of the body.
**Option C:** This option is incorrect because it refers to a type of tumor that arises from muscle cells, not neural cells. Rhabdomyosarcomas are a type of soft tissue tumor that occurs in muscle tissue.
**Clinical Pearl / High-Yield Fact**
One important thing to remember is that neuroectodermal tumors can occur at any age, but they are most common in children and young adults. These tumors can be challenging to treat, and the prognosis depends on the location and type of tumor, as well as the patient's overall health.
**Correct Answer:** D.