Granulomatous disease(s) is/ are (A)Lichen planus (B)Histoplasmosis (C)Sarcoidosis (D)Lupus erythromatosis (E)Asbestosis

**Core Concept**
Granulomatous disease is characterized by the formation of granulomas, which are aggregates of immune cells, such as macrophages and T lymphocytes, that attempt to wall off and eliminate foreign substances or infectious agents. This process is a hallmark of chronic inflammation and is often associated with conditions that involve the immune system.

**Why the Correct Answer is Right**
Sarcoidosis is a classic example of a granulomatous disease, where granulomas form in various organs, particularly the lungs, lymph nodes, and skin. The granulomas in sarcoidosis are composed of tightly packed macrophages, epithelioid cells, and lymphocytes, which attempt to contain and eliminate an unknown antigen. The pathogenesis of sarcoidosis is thought to involve an aberrant immune response, with an imbalance between Th1 and Th2 cytokines. This leads to the formation of granulomas, which can cause inflammation and tissue damage.

**Why Each Wrong Option is Incorrect**
**Option A:** Lichen planus is an autoimmune disease that affects the skin and mucous membranes, but it is not typically characterized by granulomatous inflammation. Instead, it is characterized by a band-like infiltrate of T lymphocytes and the presence of Civatte bodies.

**Option B:** Histoplasmosis is a fungal infection caused by Histoplasma capsulatum, which can cause granulomatous inflammation in the lungs. However, it is not the correct answer because the question is asking for a disease that is characterized by granulomatous inflammation in multiple organs, not just the lungs.

**Option D:** Lupus erythematosus is a systemic autoimmune disease that can affect multiple organs, but it is not typically characterized by granulomatous inflammation. Instead, it is characterized by a wide range of immune-mediated phenomena, including vasculitis, glomerulonephritis, and skin rashes.

**Option E:** Asbestosis is a lung disease caused by the inhalation of asbestos fibers, which can cause chronic inflammation and fibrosis in the lungs. However, it is not typically characterized by granulomatous inflammation.

**Clinical Pearl / High-Yield Fact**
The presence of granulomas in a biopsy sample should raise suspicion for a granulomatous disease, such as sarcoidosis. A key clinical feature of sarcoidosis is the presence of bilateral hilar lymphadenopathy on chest X-ray, which is often accompanied by symptoms such as cough, fatigue, and weight loss.

**Correct Answer:** C. Sarcoidosis