Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Cancer Survival Analysis01:21

Cancer Survival Analysis

486
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
486
Bias in Epidemiological Studies01:29

Bias in Epidemiological Studies

873
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:  
873
Cancer Prevention02:59

Cancer Prevention

7.1K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
7.1K
Mouse Models of Cancer Study02:43

Mouse Models of Cancer Study

5.9K
Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
5.9K
Prevalence and Incidence01:08

Prevalence and Incidence

1.0K
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
1.0K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

214
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
214

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Pharmacogenomic impact and genetic architecture of toxicity in pediatric acute lymphoblastic leukemia induction therapy: an exploratory modeling approach.

Frontiers in pharmacology·2026
Same author

Early Detriment Analysis of First-Line Nivolumab plus Ipilimumab-Based Therapy in Patients with Metastatic Non-Small Cell Lung Cancer.

Clinical cancer research : an official journal of the American Association for Cancer Research·2026
Same author

Optimising prescription for metastatic breast cancer patients through a three-level submaximal exercise test protocol.

Disability and rehabilitation·2026
Same author

Specialized, integrative treatment for long-standing eating disorders: early insights and implications.

Journal of eating disorders·2026
Same author

Dynamic thymidine kinase activity independently captures treatment-specific biological response and is independently associated with outcomes in endocrine-resistant HR+ /HER2 - metastatic breast cancer: A translational analysis of the GEICAM/2013-02 PEARL trial.

European journal of cancer (Oxford, England : 1990)·2026
Same author

Sensitivity to endocrine therapy index predicts benefit from weekly adjuvant paclitaxel for hormone receptor-positive breast cancer in the GEICAM/9906 trial.

Clinical cancer research : an official journal of the American Association for Cancer Research·2026
Same journal

Correction: Adeluola et al. Chemoprevention of 4-NQO-Induced Oral Cancer by the Combination of Resveratrol and EGCG: In Vivo, In Silico and In Vitro Studies. <i>Cancers</i> 2026, <i>18</i>, 1098.

Cancers·2026
Same journal

Correction: Peñalver et al. Guidelines for Diagnosis, Treatment, and Follow-Up of Patients with Follicular Lymphoma-Spanish Lymphoma Group (GELTAMO) 2026. <i>Cancers</i> 2026, <i>18</i>, 395.

Cancers·2026
Same journal

Correction: Accorsi Buttini et al. Development of a Simplified Geriatric Score-4 (SGS-4) to Predict Outcomes After Allogeneic Hematopoietic Stem Cell Transplantation in Patients Aged over 50. <i>Cancers</i> 2025, <i>17</i>, 3278.

Cancers·2026
Same journal

Age-Stratified Long-Term Outcomes of Immune Checkpoint Inhibitors for Stage IV Melanoma and NSCLC in The Netherlands: A Population-Based Study.

Cancers·2026
Same journal

Targeting Ferroptosis in Glioblastoma: Molecular Mechanisms, Tumor Microenvironment, and Therapeutic Opportunities.

Cancers·2026
Same journal

Neoadjuvant Immunotherapy-Based Treatment Versus Chemotherapy Alone in Resectable Locally Advanced dMMR/MSI-H Gastric Cancer: A Real-World Study with Meta-Analysis.

Cancers·2026
See all related articles

Related Experiment Video

Updated: Oct 30, 2025

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
15:00

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

2.7K

Significant Decrease in Annual Cancer Diagnoses in Spain during the COVID-19 Pandemic: A Real-Data Study.

Sofía Ruiz-Medina1, Silvia Gil1, Begoña Jimenez1

  • 1Medical Oncology Intercenter Unit, Regional and Virgen de la Victoria University Hospitals, IBIMA, 29010 Málaga, Spain.

Cancers
|July 2, 2021
PubMed
Summary
This summary is machine-generated.

The COVID-19 pandemic significantly reduced new cancer diagnoses by 17.2% in 2020 compared to 2019. This decline, particularly in breast, colorectal, and head and neck cancers, highlights a critical impairment in cancer diagnosis rates.

Keywords:
COVID-19 pandemiccancer diagnosesreal data

More Related Videos

Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study
07:50

Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study

Published on: April 18, 2025

524
A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
06:46

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

3.0K

Related Experiment Videos

Last Updated: Oct 30, 2025

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
15:00

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

2.7K
Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study
07:50

Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study

Published on: April 18, 2025

524
A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
06:46

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

Published on: July 5, 2022

3.0K

Area of Science:

  • Oncology
  • Public Health
  • Epidemiology

Background:

  • The COVID-19 pandemic drastically altered healthcare delivery globally.
  • Cancer diagnosis and treatment pathways were significantly disrupted.
  • Understanding the pandemic's impact on cancer detection is crucial for public health.

Purpose of the Study:

  • To investigate the impact of the COVID-19 pandemic on the annual rate of new cancer diagnoses.
  • To compare cancer diagnosis rates in the first year of the pandemic with pre-pandemic years.
  • To identify specific cancer types most affected by diagnostic delays.

Main Methods:

  • A cross-sectional study comparing new cancer diagnoses in two hospitals.
  • Data from the first year of the pandemic (2020) were compared to 2019, 2018, and 2017.
  • Statistical analysis was used to determine the significance of observed differences.

Main Results:

  • A significant 17.2% decrease in new cancer diagnoses was observed in 2020 compared to 2019 (p = 0.0001).
  • No significant differences were found between 2018-2019 or 2017-2019.
  • Breast cancer (-26.1%), colorectal neoplasms (-16.9%), and head and neck tumors (-19.8%) showed the largest diagnostic declines.

Conclusions:

  • The COVID-19 pandemic significantly impaired the diagnosis of new cancer patients.
  • Health systems must implement strategies to resume pre-pandemic diagnostic levels.
  • Efforts are needed to identify and diagnose patients missed during the pandemic.