What is Sebaceous Hyperplasia?

Sebaceous hyperplasia refers to small, discrete lesions that appear on the skin due to the overgrowth of sebaceous glands. The correct characterization describes these lesions as resembling large open comedones—often interpreted as "blackheads"—which are round in shape and typically surrounded by a slight ridge of normal skin. This condition is commonly found on areas of the face where sebaceous glands are prominent, particularly in older adults.

The other choices do not accurately define sebaceous hyperplasia. The mention of excessive hair growth pertains to conditions such as hirsutism and is not relevant to sebaceous gland hyperplasia. The option regarding excessive oil production relates more to conditions like seborrhea rather than the specific lesion formation seen in sebaceous hyperplasia. Lastly, red inflamed lesions are indicative of acne or rosacea, neither of which aligns with the typical presentation of sebaceous hyperplasia. Thus, understanding the distinct visual characteristics and associations of sebaceous hyperplasia leads to the identification of the correct answer.