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Question

Difficulty: MediumPreventive Care and Screening

During an annual health maintenance visit, a 66-year-old man inquires about due screening tests. He has a history of mild knee osteoarthritis managed with intermittent ibuprofen. His last colonoscopy, performed 5 years ago, was unremarkable. At last year's visit, he received the 20-valent pneumococcal conjugate vaccine (PCV20) and completed his recombinant zoster vaccine series. Recent laboratory studies, including a lipid panel and hemoglobin A1c, are within normal limits. The patient mentions that he briefly smoked cigarettes during a single summer while in college, estimating he consumed roughly ten packs in total before quitting permanently. He currently drinks one glass of wine weekly and walks daily. Vital signs and physical examination show no abnormalities. Which of the following is the most appropriate preventive intervention for this patient at this time?

  1. A
    Screening chest computed tomography
  2. B
    Fecal immunochemical test for occult blood
  3. Screening ultrasonography of the abdomenAnswer
  4. D
    Pneumococcal polysaccharide vaccine (PPSV23) administration
  5. E
    Bone mineral density assessment via DEXA

Answer

Screening ultrasonography of the abdomen
This patient is a 66-year-old man who smoked approximately 10 packs of cigarettes (200 cigarettes) in his lifetime. The USPSTF recommends a one-time screening for abdominal aortic aneurysm (AAA) with ultrasonography in men aged 65 to 75 years who have ever smoked. The term 'ever smoked' is strictly defined as having consumed 100 or more cigarettes over a lifetime. Because this patient meets both the age and smoking history criteria, a one-time screening abdominal ultrasound is the most appropriate next step.

Step-by-Step Solution

1
Identify the patient's demographic profile and specific risk exposures.
The patient is a 66-year-old male with a history of smoking 10 packs of cigarettes (equivalent to 200 cigarettes) in his lifetime.
Preventive screening guidelines are heavily dependent on age, biological sex, and specific exposures like tobacco use.
2
Evaluate the criteria for Abdominal Aortic Aneurysm (AAA) screening.
The USPSTF recommends a one-time screening ultrasound for AAA in men aged 65 to 75 who have 'ever smoked'.
Because 'ever smoked' is clinically defined as ≥100\geq 100 lifetime cigarettes, this patient (who smoked 200 cigarettes) qualifies for this screening.
3
Rule out the other screening and immunization options based on current status and guidelines.
Lung cancer screening is excluded (requires ≥20\geq 20 pack-years), FIT is excluded (within the 10-year colonoscopy interval), PPSV23 is excluded (already fully vaccinated with PCV20), and DEXA is excluded (low-risk male).
Ruling out distractors ensures the chosen intervention does not conflict with updated evidence-based intervals and indications.

Key Concept

The USPSTF recommends a one-time screening for abdominal aortic aneurysm (AAA) with ultrasonography in men aged 65 to 75 years who have ever smoked, which is strictly defined as having smoked 100 or more cigarettes in their lifetime.
Estimated Time:1m 30s
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Topics

Preventive Care and Screening

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