Professional and Linguistic Assessments Board (PLAB) Practice Exam

What does the acronym SCC stand for in relation to lichen planus complications?

1. Squamous Cell Carcinoma

2. Skin Cell Change

3. Severe Clinical Condition

4. Subcutaneous Cell Carcinoma

The correct answer is: Squamous Cell Carcinoma

In the context of complications related to lichen planus, the acronym SCC stands for Squamous Cell Carcinoma. Lichen planus is a chronic inflammatory condition that primarily affects the skin and mucous membranes. While most instances do not lead to malignant transformations, there is a recognized association between lichen planus, especially in long-standing cases, and an increased risk of developing squamous cell carcinoma. This is particularly true for lichen planus lesions that occur in mucosal areas, such as the oral cavity, where chronic inflammation and irritation can predispose tissues to malignant changes. The other options do not accurately reflect well-established medical terminology related to lichen planus complications. "Skin Cell Change" lacks specificity and does not represent a known medical diagnosis. "Severe Clinical Condition" is vague and could refer to any number of health issues but does not specifically indicate a recognized complication of lichen planus. Similarly, "Subcutaneous Cell Carcinoma" does not exist as a recognized form of cancer; typically, squamous cell carcinoma refers specifically to cancers arising from the squamous cells in the epidermis or mucosal surfaces. Hence, Squamous Cell Carcinoma is the accurate term when discussing serious complications related to lichen planus