挫傷

1. Origins, structure, and basic meaning

• Structure: 挫傷 (ざしょう) is a medical noun for a bruise or soft-tissue injury caused by impact without an open wound.
• Basic usage: 挫傷と診断される makes the injury a diagnosis after a fall, while 軽い挫傷でも腫れが続く identifies a seemingly minor injury that may still require consultation.

2. Common pitfalls and similar expressions

• Diagnosis and follow-up
  • 挫傷と診断する is a medical classification, while 軽い挫傷でも says swelling merits attention even when severity seems low. The word does not itself mean a bone fracture.