Clinical trial · Observational
Influence of Co-Vid 19 Pandemic on Screening Mammography Single Institution
Influence of Co-Vid 19 Pandemic on Screening Mammography in a Single Institution
NCT04750018CI-TRIAL-00050029unknownClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
To assess whether the COVID-19 pandemic delayed breast cancer diagnosis in Taiwan, an Asian country with a low COVID-19 incidence.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
| COVID-19 | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| surgery | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- label
- COVID-19 2019
- description
- Patients receiving biopsies with a BI-RADS assessment of 4 or 5 from mammographic or ultrasonographic exams or combinations of tests were analyzed \[4\]. We further categorized the biopsy data as ultrasound-guided or mammograph-guided biopsy based on procedure coding. Ultrasound-guided core needle biopsy (CNB) was performed for breast lesions visible on ultrasound.
- label
- COVID-19 2020
- description
- Patients receiving biopsies with a BI-RADS assessment of 4 or 5 from mammographic or ultrasonographic exams or combinations of tests were analyzed \[4\]. We further categorized the biopsy data as ultrasound-guided or mammograph-guided biopsy based on procedure coding. Ultrasound-guided core needle biopsy (CNB) was performed for breast lesions visible on ultrasound.
- interventionNames
- Other: surgery
Primary outcomes (1)
- measure
- breast cancer
- timeFrame
- 1 year
- description
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 30 Years
- Maximum age
- 80 Years
Show eligibility criteria text
Inclusion Criteria: * Receiving breast exam 2019-2020 Exclusion Criteria: * lost clinical follow-up
References
Publications (2)
- RESULTChou CP, Pan HB, Yang TL, Chiang CL, Huang JS, Tsai MY. Impact of the COVID-19 pandemic on the volume of mammography examinations in Southern Taiwan. Breast J. 2021 Jan;27(1):89-91. doi: 10.1111/tbj.14019. Epub 2020 Aug 20. No abstract available. PMID 32815587
- DERIVEDChou CP, Lin HS. Delayed Breast Cancer Detection in an Asian Country (Taiwan) with Low COVID-19 Incidence. Cancer Manag Res. 2021 Jul 28;13:5899-5906. doi: 10.2147/CMAR.S314282. eCollection 2021. PMID 34349563