**Question:** Not a surgical landmark for parotid surgery is

A. Stensen's duct
B. Salivary gland capsule
C. Superficial temporal artery
D. Great auricular nerve

**Core Concept:**

Parotid surgery primarily involves the removal or manipulation of the parotid gland, which is located in the region between the ear and the lower jaw. In order to ensure accurate and safe surgery, surgeons rely on various landmarks and structures. Here, we need to identify a landmark that is not used in parotid surgery.

**Why the Correct Answer is Right:**

D. Great auricular nerve (Wardill's nerve) is not considered a surgical landmark for parotid surgery. In fact, it is a sensory nerve that supplies sensation to the ear and should be preserved during parotid surgery to minimize complications like numbness or paresthesia in the ear region.

**Why Each Wrong Option is Incorrect:**

A. Stensen's duct (also known as the parotid duct or Stensen's salivary duct) is a crucial landmark for parotid surgery. It connects the parotid gland to the oral cavity and serves as a way to identify the parotid gland and its proximity to surrounding structures.

B. Salivary gland capsule is another critical landmark for parotid surgery. It is the fibrous capsule that surrounds the parotid gland and helps in identifying the gland's boundaries and its relation to other structures.

C. Superficial temporal artery is a major blood vessel located adjacent to the parotid gland. Though it is visible on examination, using it as a sole landmark for parotid surgery can lead to potential complications like temporary or permanent facial nerve injury.

**Clinical Pearl:**

When performing parotid surgery, surgeons rely on a combination of landmarks including Stensen's duct, salivary gland capsule, and the facial nerve. By identifying these structures, surgeons can ensure accurate and safe parotid gland surgery, minimizing the risk of complications.

In summary, while the other options are essential landmarks for parotid surgery, the great auricular nerve (Wardill's nerve) is not a reliable landmark due to its role in supplying sensation to the ear. Using it as a sole landmark could lead to unintended facial nerve injury and subsequent complications.