**Question:** Not a histological feature of lichen planus is –

A. Lichenoid inflammation
B. Lichenoid vasculitis
C. Lichenoid granuloma
D. Lichenoid fibrosis

**Core Concept:** Lichen Planus is a chronic, autoimmune, mucocutaneous disorder characterized by a band-like infiltrate of lymphocytes in the dermis and mucosae.

**Why the Correct Answer is Right:** Lichen Planus is primarily a mucocutaneous condition, and the correct answer should not be a histological feature specific to mucocutaneous lesions.

**Why Each Wrong Option is Incorrect:**

A. Lichenoid inflammation is a histopathological feature found in lichen planus, making it the incorrect answer.
B. Lichenoid vasculitis is a specific type of vasculitis that does not occur in lichen planus, making this option incorrect.
C. Lichenoid granuloma is a histopathological feature present in a few inflammatory conditions, but not in lichen planus. Therefore, this option is incorrect.
D. Lichenoid fibrosis is a histopathological feature found in some conditions like scleroderma and not in lichen planus, making it the incorrect answer.

**Clinical Pearl / High-Yield Fact:** Lichen Planus is a mucocutaneous disorder with characteristic histopathology, such as the band-like infiltrate of lymphocytes in the dermis and mucosae. Correct diagnosis requires a combination of clinical and histopathological features.