In an elderly patient, which finding is more indicative of abuse: a left maxillary bone fracture or small bruises on the hands and shins?

A left maxillary bone fracture is more likely to raise suspicion of elder mistreatment than small bruises on hands and shins.

Facial fractures, including maxillary fractures, are significantly more concerning for abuse in elderly patients compared to bruises on extremities over bony prominences.

Why Maxillary Fractures Are High-Risk Indicators

Facial bone fractures require substantial force and are uncommon from typical accidental mechanisms in elderly patients. The maxilla is a protected midface structure that doesn't typically fracture from ground-level falls—the most common mechanism of injury in the elderly 1. When facial fractures occur in elderly patients, they warrant serious consideration of inflicted trauma, particularly when:

• The explanation provided doesn't match the force required to cause the injury
• There's a delay in seeking medical care
• The patient has cognitive impairment or dependency on caregivers

Why Bruises on Hands and Shins Are Lower Concern

Small bruises on hands and shins in elderly patients are frequently accidental because:

• These are bony prominences where accidental bruising commonly occurs from minor bumps during normal activities
• The elderly have increased skin fragility, easy bruising from anticoagulation, and age-related vascular changes
• Ground-level falls—the most common injury mechanism in patients ≥65 years 1—routinely cause bruising over shins and hands as patients attempt to break their fall

While bruising can indicate abuse (it's the most common injury in abuse victims 2), location matters critically. Bruises on protected areas (torso, upper arms, neck, face, genitals) are far more suspicious than those on exposed bony prominences 2.

Key Clinical Pitfalls to Avoid

Don't dismiss facial fractures as "just a fall" in elderly patients. The force required for maxillary fractures exceeds typical ground-level fall mechanisms. Always:

• Document the exact mechanism described
• Assess whether the injury matches the explanation
• Look for other injuries suggesting greater force or repeated trauma
• Screen for cognitive impairment and caregiver dependency
• Consider delayed presentation as a red flag

Don't over-interpret bruises on shins and hands alone, especially in anticoagulated or frail elderly patients with documented fall risk, unless they're accompanied by other concerning features like multiple bruises of different ages, patterned bruising, or bruising in protected areas.