Question

Difficulty: MediumPreventive Care and Screening

For each clinical scenario below, select the most appropriate guideline-concordant preventive screening intervention. Assume patients are asymptomatic and up to date with any age-appropriate interventions not explicitly addressed.

  • Evaluating respiratory health for an asymptomatic 58-year-old man who accumulated 30 pack-years of tobacco exposure before successfully quitting 12 years ago.Annual screening with low-dose computed tomography
  • Reviewing vascular risks during a welcome-to-Medicare visit for a 68-year-old man; his only tobacco history involves smoking half a pack daily during his four years of college.One-time screening with abdominal ultrasonography
  • Discussing metabolic health with a 43-year-old man who recently gained weight, bringing his body mass index to 33 kg/m².Screening for abnormal blood glucose or type 2 diabetes mellitus
  • Addressing cancer surveillance guidelines with a healthy 42-year-old woman possessing a normal body mass index and no family history of malignancy.Biennial screening mammography
  • Assessing bone health in a 67-year-old woman who has never used tobacco and recently received a normal result on her biennial breast imaging.Screening for osteoporosis with dual-energy x-ray absorptiometry

Answer

The correct matches align each patient's specific demographic and risk profile (age, biological sex, BMI, and smoking history) with the corresponding USPSTF Grade B recommendation.
Each combination accurately reflects current USPSTF Grade A and B recommendations. Lung cancer screening requires a 20+ pack-year history and smoking within the last 15 years (target age 50-80). AAA screening requires any lifetime smoking history of at least 100 cigarettes (men 65-75). Diabetes screening is indicated for overweight or obese adults (age 35-70). Mammography begins at age 40. DEXA is universally indicated for women aged 65 and older.

Step-by-Step Solution

1
Analyze tobacco history and age for the male patients.
The 58-year-old has a 30 pack-year history and quit <15 years ago, qualifying for LDCT. The 68-year-old has a remote but positive smoking history (>100 cigarettes), qualifying for an AAA ultrasound.
Lung cancer and AAA screening guidelines are highly specific to age ranges and lifetime tobacco exposure metrics.
2
Evaluate metabolic parameters for the younger male patient.
The 43-year-old has a BMI of 33 (obese), which places him in the screening demographic for diabetes.
Age combined with overweight/obesity triggers glucose screening between ages 35 and 70.
3
Assess the female patients based on age and recent preventive care.
The 42-year-old qualifies for initiation of routine breast cancer screening. The 67-year-old is up to date on mammography but requires baseline osteoporosis screening.
Guidelines require starting mammography at age 40 and DEXA at age 65 for average-risk women.

Key Concept

Application of age-, sex-, and risk-specific USPSTF preventive screening guidelines.
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