Endocrinal causes of Carpal Tunnel syndrome include all of the following, Except
**Core Concept**
Carpal Tunnel Syndrome (CTS) is a medical condition that arises due to compression of the **median nerve** as it travels through the **wrist** at the **carpal tunnel**. Various endocrinal disorders can contribute to the development of CTS.
**Why the Correct Answer is Right**
Endocrinal causes of CTS include conditions like **hypothyroidism**, **acromegaly**, and **hyperparathyroidism**, where fluid retention, nerve compression, or tissue growth can lead to median nerve entrapment.
**Why Each Wrong Option is Incorrect**
**Option A:** Hypothyroidism is a known cause of CTS due to **mucopolysaccharide deposition** and **fluid retention**.
**Option B:** Acromegaly can cause CTS due to **soft tissue overgrowth**.
**Option C:** Hyperparathyroidism may lead to CTS through **calcium deposition**.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **hypothyroidism** is a common endocrinal cause of CTS, often due to **mucin deposition** and **edema** within the carpal tunnel.
**Correct Answer:** D.