True about childhood tuberculosis is?
**Core Concept**
Childhood tuberculosis is a significant public health concern, particularly in developing countries. The **pathogenesis** of tuberculosis in children involves the inhalation of **Mycobacterium tuberculosis** droplets, which then infect the lungs. The immune response plays a crucial role in determining the outcome of the infection.
**Why the Correct Answer is Right**
The correct answer is related to the fact that childhood tuberculosis often presents with **non-specific symptoms**, such as fever, cough, and weight loss. The **diagnosis** is typically made using a combination of clinical findings, **radiographic imaging**, and **microbiological tests**. In children, the infection can progress rapidly, making early diagnosis and treatment essential.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately reflect the typical presentation of childhood tuberculosis.
**Option B:** This option is incorrect because it is not a characteristic feature of childhood tuberculosis.
**Option C:** This option is incorrect because it is not a common complication of childhood tuberculosis.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that childhood tuberculosis can be prevented with **BCG vaccination**, which is effective in preventing severe forms of the disease, such as **miliary tuberculosis** and **tuberculous meningitis**.
**Correct Answer:** D. Childhood tuberculosis is a serious infection that requires prompt diagnosis and treatment.