Cancer Screening
Case:
A healthy 47-year-old woman presents for an annual preventive visit. She has no personal or family history of breast cancer and no breast symptoms.
Question: What preventive screening is recommended for this patient?
Answer:
Biennial screening mammography (Grade B).
Explanation:
USPSTF recommends biennial mammography for women aged 40–74 years.
Case:
A 69-year-old man smoked one pack per day for 25 years before quitting at age 60.
Question: What preventive screening is recommended?
Answer:
One-time abdominal aortic aneurysm ultrasound screening (Grade B).
Explanation:
Men aged 65–75 years who have ever smoked should receive one-time AAA screening.
Case:
A 27-year-old pregnant woman presents for her first prenatal visit and has no urinary symptoms.
Question: What preventive screening is recommended?
Answer:
Screen for asymptomatic bacteriuria with urine culture (Grade B).
Explanation:
Treatment reduces pyelonephritis and pregnancy-related complications.
Case:
A 17-year-old presents for a routine sports physical and reports no psychiatric symptoms.
Question: What preventive screening is recommended?
Answer:
Screen for major depressive disorder (Grade B).
Explanation:
USPSTF recommends depression screening for adolescents aged 12–18 years.
Clue
Routine breast cancer screening is recommended for women in this age range.
Answer:
40–74 years
Explanation
USPSTF recommends biennial mammography for women aged 40–74.
Case:
A 55-year-old man is due for preventive care. He has no symptoms and no family history of colorectal cancer. He has never been screened.
Question: What preventive screening is recommended for this patient? What is the age range for this screening?
Answer:
Screen for colorectal cancer in adults aged 45–75 years (Grade A).
Explanation:
USPSTF recommends routine colorectal cancer screening beginning at age 45 and continuing through age 75.
Case:
A 46-year-old woman with hypertension, obesity, and dyslipidemia asks how to reduce her cardiovascular risk.
Question: What preventive intervention is recommended?
Answer:
Refer adults 18 years and older who have cardiovascular risk factors to intensive behavioral counseling interventions (Grade B).
Explanation:
Behavioral counseling focused on healthy diet and physical activity improves cardiovascular outcomes.
Case:
A healthy postpartum patient asks whether there are evidence-based interventions to improve breastfeeding success.
Question: What preventive intervention is recommended?
Answer:
Provide breastfeeding support interventions to pregnant and postpartum persons (Grade B).
Explanation:
Counseling and support improve breastfeeding initiation and duration.
Case:
A 30-year-old woman presents for an annual preventive examination.
Question: What preventive screening is recommended?
Answer:
Screen all adults 18 years and older, including pregnant and postpartum persons, for depression (Grade B).
Explanation:
Routine screening improves identification and treatment of depression.
Case:
A 76-year-old man asks whether colorectal cancer screening should continue.
Question: What is the USPSTF recommendation?
Answer:
Individualized decision-making for colorectal cancer screening in adults aged 76–85 years (Grade C).
Explanation:
Decisions should consider overall health, life expectancy, and prior screening history.
Case:
A 72-year-old man has a 30-pack-year smoking history and quit smoking 10 years ago. He asks whether any cancer screening is recommended.
Question: What preventive screening is recommended for this patient? Mention specifics (2)
Answer:
Annual low-dose CT screening for lung cancer in adults aged 50–80 years with at least a 20-pack-year smoking history who currently smoke or quit within the past 15 years (Grade B).
Explanation:
This patient meets both the age and smoking-history criteria.
Case:
A pregnant woman with chronic hypertension and a history of preeclampsia presents at 14 weeks gestation.
Question: What preventive intervention is recommended?
Answer:
Initiate low-dose aspirin after 12 weeks gestation for pregnant persons at high risk for preeclampsia (Grade B).
Explanation:
The patient has multiple high-risk factors and is beyond the 12-week threshold.
Case:
A 41-year-old woman at increased risk for breast cancer, asks whether medication can reduce her future risk.
Question: What preventive intervention is recommended?
Answer:
Offer risk-reducing medications to women aged 35 years and older who are at increased risk for breast cancer and at low risk for adverse effects (Grade B).
Explanation:
Tamoxifen, raloxifene, and aromatase inhibitors are appropriate options for selected patients.
Case:
A 13-year-old child presents for a wellness visit with no mental health concerns.
Question: What preventive screening is recommended?
Answer:
Screen children and adolescents aged 8–18 years for anxiety disorders (Grade B).
Explanation:
Early identification can improve long-term mental health outcomes.
Case:
A healthy adolescent asks whether monthly testicular self-exams are recommended.
Question: What is the USPSTF recommendation?
Answer:
Do not screen for testicular cancer in asymptomatic adolescent or adult males (Grade D).
Explanation:
Testicular cancer is rare, highly treatable, and screening has not shown benefit.
Case:
A 38-year-old woman has two first-degree relatives with breast cancer diagnosed before age 50 and one relative with ovarian cancer.
Question: What preventive service is recommended?
Answer:
Perform BRCA-related risk assessment and refer for genetic counseling if indicated (Grade B).
Explanation:
Women with family histories suggestive of BRCA mutations should undergo risk assessment and possible genetic evaluation.
Case:
A healthy 52-year-old man with low cardiovascular risk asks whether a treadmill stress test should be part of his annual physical.
Question: What is the USPSTF recommendation?
Answer:
Do not screen with exercise ECG (Grade D).
Explanation:
Routine ECG screening in low-risk adults provides little benefit and may lead to unnecessary testing.
Case:
A 45-year-old woman asks whether screening for ovarian cancer should be part of her routine preventive care.
Question: What is the USPSTF recommendation?
Answer:
Do not screen for ovarian cancer (Grade D).
Explanation:
The harms of screening outweigh the benefits in asymptomatic women without high-risk hereditary syndromes.
Case:
A primary care clinic is considering implementing routine screening for unhealthy drug use among adults.
Question: What is the USPSTF recommendation?
Answer:
Screen adults age 18 years and older for unhealthy drug use when accurate diagnosis and treatment services are available (Grade B).
Explanation:
Early identification can improve outcomes when treatment resources are accessible.
Clue
Routine PSA screening is not recommended beginning at this age.
Answer:
Age 70 y/o
Explanation:
Evidence demonstrates little benefit and substantial potential harms after age 70.
Case:
A 68-year-old woman has had regular negative Pap smears throughout her life and no history of CIN2+ lesions. She asks whether she should continue cervical cancer screening.
Question: What is the USPSTF recommendation?
Answer:
Do not continue routine cervical cancer screening (Grade D).
Explanation:
Women older than 65 years with adequate prior screening and no high-risk factors should discontinue screening.
Case:
A 63-year-old woman with no history of cardiovascular disease asks whether she should start aspirin to prevent a first heart attack or stroke.
Question: What is the USPSTF recommendation?
Answer:
Do not initiate aspirin for primary prevention in adults aged 60 years and older (Grade D).
Explanation:
Bleeding risks outweigh cardiovascular benefits in this age group.
Case:
A 68-year-old postmenopausal woman without a history of fractures or CAD asks whether she should start estrogen-progestin therapy to prevent future heart disease, fractures, and dementia.
Question: What is the USPSTF recommendation?
Answer:
Do not use hormone therapy for primary prevention of chronic conditions (Grade D).
Explanation:
Potential harms outweigh benefits when hormone therapy is used solely for prevention.
Case:
A clinic asks whether all asymptomatic adults should undergo routine suicide risk screening during annual wellness visits.
Question: What is the USPSTF recommendation?
Answer:
Evidence is insufficient to recommend for or against routine suicide risk screening (I Statement).
Explanation:
Current evidence does not clearly demonstrate benefit or harm from universal screening.
Case:
A healthy postmenopausal woman asks whether she should take vitamin D and calcium supplements solely to prevent fractures.
Question: What is the USPSTF recommendation?
Answer:
Do not recommend low-dose vitamin D and calcium supplementation for primary fracture prevention (Grade D).
Explanation:
Evidence does not support benefit for fracture prevention and may expose patients to unnecessary risks.