Question

Difficulty: MediumPreventive Care and Screening

A 50-year-old man comes to the clinic to establish care. He has not been evaluated by a healthcare provider in 15 years and has not received any routine medical care or screenings during this time. He generally feels well and takes no medications. He smokes 1 pack of cigarettes daily for the past 30 years and drinks 2 to 3 alcoholic beverages on weekends. He is sexually active with men and uses condoms inconsistently. His BMI is 25 kg/m². Vital signs are within normal limits. Physical examination reveals no abnormalities.

Which of the following preventive interventions are indicated for this patient at this visit? (Select all that apply)

  1. Annual low-dose computed tomography of the chestAnswer
  2. Screening colonoscopyAnswer
  3. C
    Screening for abdominal aortic aneurysm with ultrasonography
  4. D
    Catch-up human papillomavirus vaccination
  5. E
    Screening for osteoporosis with dual-energy x-ray absorptiometry

Answer

Annual low-dose computed tomography of the chest and screening colonoscopy
The correct interventions are annual low-dose computed tomography (LDCT) of the chest and screening colonoscopy. According to current USPSTF guidelines, adults aged 50 to 80 years who have a 20 pack-year smoking history and currently smoke or have quit within the past 15 years require annual lung cancer screening with LDCT. This patient is 50 years old with a 30 pack-year history, making him an ideal candidate. Additionally, colorectal cancer screening is recommended for average-risk adults beginning at age 45. Since the patient has not received any medical care in 15 years, he is overdue for a screening colonoscopy.

Step-by-Step Solution

1
Analyze patient demographics and health history.
The patient is a 50-year-old male with a 30 pack-year smoking history who has not received medical care in 15 years.
Preventive screening interventions are strictly guided by age, biological sex, exposure history, and past screening dates.
2
Apply evidence-based guidelines for a 50-year-old male current smoker.
Lung cancer screening is indicated due to age (50) and pack-year history (>20). Colorectal cancer screening is indicated as it starts at age 45 and the patient is unscreened.
Identifying interventions that are currently indicated based on USPSTF guidelines.
3
Evaluate remaining options against current age cutoffs and indications.
Abdominal aortic aneurysm screening is for ages 65-75. HPV vaccination is not recommended after age 45. Dual-energy x-ray absorptiometry is not routinely indicated for men.
Ruling out distractors involving incorrect start/stop ages or unindicated tests.

Key Concept

Age-appropriate and risk-based preventive screening guidelines for adults
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