Cancer Screening
Case:
A healthy 42-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
What counseling should we give to a fair skin person?
Answer:
Use sunscreen
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:
Breastfeeding support provided. Observed feeding and corrected shallow latch. Reviewed feeding frequency, signs of adequate milk intake, and expected newborn feeding patterns. Discussed management of nipple discomfort and provided referral to lactation consultant. Follow-up arranged in 1 week to assess maternal concerns and infant weight gain.
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 8-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.