Commonest presentation of Hodgkin’s lymphoma is ?
**Core Concept**
Hodgkin's lymphoma is a type of **lymphoma**, a blood cancer starting in the **lymphatic system**, which is part of the **immune system**. The disease is characterized by the presence of **Reed-Sternberg cells**.
**Why the Correct Answer is Right**
The commonest presentation of Hodgkin's lymphoma involves **painless lymphadenopathy**, often in the **cervical**, **supraclavicular**, or **mediastinal lymph nodes**. This symptom is due to the proliferation of malignant cells in these areas.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because, while **systemic symptoms** like fever, night sweats, and weight loss can occur, they are not the most common initial presentation.
**Option B:** Incorrect as **hepatosplenomegaly** can be present but is not the most common initial finding.
**Option D:** Incorrect because, although **bone marrow involvement** can occur, it is not typically the first sign of the disease.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **Hodgkin's lymphoma** often presents with **painless lymphadenopathy**, which should prompt further investigation, including **biopsy** for diagnosis.
**Correct Answer:** D. Painless lymphadenopathy