differential diagnosis of tender and swollen limb
| Inflammatory arthritis | Malignancy | Angioedema/Erythromelalgia |
| Cellulitis/osteomyelitis | Fracture | Peripheral neuropathy |
| Deep venous thrombosis | Systemic sclerosis | CRPS |
| Compartment syndrome | Osteonecrosis | Pancoast tumo |

