**Core Concept**
Topical steroids can cause a condition known as steroid-induced rosacea or steroid-induced acneiform eruption, but in the context of tinea, we are looking at a different phenomenon. The incorrect use of topical steroids can lead to a rebound phenomenon, where the fungal infection worsens, resulting in a more severe or resistant condition.

**Why the Correct Answer is Right**
When topical steroids are applied to the skin, they suppress the immune response, which normally helps to combat fungal infections. This suppression can lead to a rebound effect, where the fungal infection becomes more aggressive and resistant to treatment. In the case of tinea, this can result in a more severe or difficult-to-treat condition.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately describe the phenomenon of tinea worsening after topical steroid use.

**Option B:** This option is incorrect because it does not specifically relate to the use of topical steroids and the development of tinea.

**Option C:** This option is incorrect because it refers to a different condition altogether.

**Clinical Pearl / High-Yield Fact**
Remember that topical steroids can have a rebound effect, leading to more severe or resistant conditions, including fungal infections like tinea. This is especially true in cases where the use of topical steroids is prolonged or excessive.

**Correct Answer: C. Tinea incognito.**