Horner’s syndrome is characterized by all except-
**Core Concept**
Horner's syndrome is a neurological disorder characterized by a disruption in the sympathetic nervous system's supply to the face and eye. It results from a lesion in the **sympathetic pathway** from the brain to the face and eye. The syndrome is often associated with **ptosis**, **miosis**, and **anhidrosis**.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general characteristics of Horner's syndrome. The syndrome typically presents with **ptosis** (drooping eyelid), **miosis** (constricted pupil), and **anhidrosis** (lack of sweating) on the affected side of the face. These symptoms occur due to the disruption of the **sympathetic nervous system**'s control over the **superior tarsal muscle**, **dilator pupillae**, and **sweat glands**.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option, it's challenging to provide a detailed explanation. However, any option that includes a symptom not typically associated with Horner's syndrome, such as **exophthalmos** or **pupil dilation**, would be incorrect.
**Option B:** Similarly, without the specific option, it's difficult to provide a detailed explanation. Any option that contradicts the typical symptoms of Horner's syndrome would be incorrect.
**Option C:** This option would be incorrect if it includes a symptom that is not characteristic of Horner's syndrome.
**Option D:** This option would be incorrect if it describes a condition that is not associated with the sympathetic nervous system's disruption.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that Horner's syndrome can be caused by a lesion anywhere along the **sympathetic pathway**, from the brain to the eye. This includes **stroke**, **tumors**, and **trauma**. Recognizing the symptoms of Horner's syndrome is crucial for diagnosing underlying conditions.
**Correct Answer:** No answer provided.