**Core Concept**
Cicatricial alopecia refers to scarring of the hair follicles leading to permanent hair loss. It is caused by chronic inflammation that destroys the follicular structure, often associated with autoimmune or inflammatory skin diseases.

**Why the Correct Answer is Right**
Dermatologic Lupus Erythematosus (DLE) is a chronic autoimmune condition that can present with photosensitive rashes and, importantly, cicatricial alopecia. In DLE, inflammation targets the hair follicles, leading to fibrosis and scarring, which results in permanent hair loss. This is particularly seen in the scalp and can progress over time if untreated.

**Why Each Wrong Option is Incorrect**
Option A: Tenia capitis (a parasitic infection) causes exudative, itchy scalp lesions and hair loss, but it is not cicatricial. The hair loss is typically temporary and due to inflammation, not scarring.
Option B: Psoriasis causes patchy, well-demarcated, scaly plaques, and alopecia is usually non-scarring (alopecia areata-like), not cicatricial.
Option D: Alopecia areata is an autoimmune disorder causing patchy, non-scarring hair loss, with no fibrosis or scarring involved.

**Clinical Pearl / High-Yield Fact**
Cicatricial alopecia is a hallmark of DLE and other chronic inflammatory conditions. Always consider DLE in patients with scalp scarring, photosensitivity, and a history of sun exposure.

✓ Correct Answer: C. DLE