Question
In India, the commonest cause of unilateral lymphoedema of lower limb is:
The correct answer is
Filariasis
India Lymphoedema Causes Explained
The most frequent cause of unilateral lymphoedema of the lower limb specifically in India is Filariasis.
Reasoning for Filariasis
- Filariasis is a parasitic disease transmitted by mosquitoes, prevalent in tropical regions, including India.
- The parasites (like Wuchereria bancrofti) infect and damage the lymphatic system, particularly in the legs.
- This blockage leads to fluid accumulation and pronounced swelling, typically affecting one limb (unilateral).
Comparison with Other Options
- Lymphoedema tarda: Usually appears later in life and is often bilateral, not the primary cause of unilateral lower limb swelling in India.
- Carcinoma of penis: This cancer primarily affects the genital area. While it can potentially cause secondary lymphoedema in the groin or legs, it's not the commonest direct cause of unilateral lower limb lymphoedema compared to filariasis.
- Tubercular lymphadenopathy: Tuberculosis can affect lymph nodes and potentially cause lymphoedema, but it is significantly less common as a cause for unilateral lower limb lymphoedema in India than filariasis.
Conclusion: Based on prevalence in India, Filariasis remains the predominant cause.
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Important Questions from Lymphatic System
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- Which of the following statements regarding lymphoedema are correct?
1. Patients experience constant dull ache and even severe pain sometimes
2. Manual lymphatic drainage has a role
3. Primary lymphoedema is caused by congenital lymphatic dysplasia
4. Nonne Milroy's disease is a type of primary lymphoedema
Select the correct answer using the code given below:
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