Ans 1. चोट लगने से swelling इन cases में हो सकती है।
- for. eg. fracture के वजह से Bone displacement हो गया,
- joint dislocation
- haematoma
Ans 3
3Aa. Osteosarcoma mimics acute inflammatory Swelling with pain (pain appear even before the swelling)

The differentiating features in favor of acute inflammatory Swelling are....
- Tenderness
- Brawny induration
- Oedema
- Fluctuation, pus
- Related lymph nodes affected shows acute lymphadenitis
- May hectic type fever
3B Chronic inflammatory Swelling vs malignancy
- Tumor never recedes