Which one of the following is a feature of Medial Medullary syndrome?
**Core Concept**
Medial Medullary syndrome, also known as Dejerine syndrome, is a rare neurological disorder caused by a lesion in the medial medulla oblongata. It involves the **pyramidal tract**, **medial lemniscus**, and **hypoglossal nerve**. This syndrome is characterized by a distinct set of clinical features due to the involvement of these structures.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general features of Medial Medullary syndrome. It typically presents with **ipsilateral tongue weakness** due to hypoglossal nerve involvement, **contralateral hemiparesis** due to pyramidal tract involvement, and **contralateral loss of proprioception and vibration** due to medial lemniscus involvement.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of option A, it's challenging to provide a precise explanation for its incorrectness.
**Option B:** Similarly, without the details of option B, its incorrectness cannot be directly addressed.
**Option C:** The same applies to option C, as the specific content is needed to explain why it's incorrect.
**Option D:** Option D's incorrectness also depends on its specific content, which is not provided.
**Clinical Pearl / High-Yield Fact**
A key feature to remember about Medial Medullary syndrome is the combination of **cranial nerve XII (hypoglossal) palsy** and **contralateral hemiparesis**, which helps in distinguishing it from other brainstem syndromes. Recognizing the pattern of deficits associated with this syndrome is crucial for diagnosis.
**Correct Answer:** Correct Answer: D. Ipsilateral tongue paralysis, contralateral hemiparesis, and contralateral loss of proprioception.