**Question:** Not a cutaneous manifestation of tuberculosis: March 2005

**Core Concept:** Cutaneous manifestations of tuberculosis are diverse and can serve as important clues for clinicians to consider the diagnosis of TB infection.

**Why the Correct Answer is Right:**

The correct answer, **C.** **Hepatic abscess** is not a cutaneous manifestation of tuberculosis because the primary site of tuberculosis infection is the lungs, where Mycobacterium tuberculosis colonizes and causes granulomas. Although some cases of extrapulmonary tuberculosis can involve the liver, hepatic abscess formation is not a typical presentation of tuberculosis.

**Why Each Wrong Option is Incorrect:**

A. **Pneumonia:** Although pulmonary tuberculosis can spread to other organs, hepatic abscess is not a common manifestation of pulmonary tuberculosis.

B. **Tuberculosis meningitis:** Tuberculosis meningitis primarily affects the central nervous system (CNS), and hepatic abscess is not a common manifestation of CNS tuberculosis.

D. **Tuberculosis peritonitis:** Tuberculosis peritonitis primarily affects the peritoneal cavity, and hepatic abscess is not a typical manifestation of peritoneal tuberculosis.

**Clinical Pearl / High-Yield Fact:**

In cases where a patient presents with hepatic symptoms, clinicians should consider the possibility of other underlying infectious or non-infectious causes, such as pyogenic liver abscess, autoimmune hepatitis, or liver malignancy. A thorough clinical history, physical examination, and appropriate investigations can help differentiate between these conditions and arrive at the correct diagnosis.

**Correct Answer:** C. Hepatic abscess