Related Experiment Videos

[Clinicopathologic characteristics of adenocarcinoma in cardia according to Siewert classification]

Ho Young Yoon1, Hyoung Il Kim, Choong Bai Kim

  • 1Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.

Insights

Clinicopathologic differences exist between Siewert Type II and Type III cardia cancer, impacting invasion depth and lymph node status. However, no significant differences in survival or recurrence were observed between these groups.

Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Pathology

Context:

  • Cardia cancer classification is crucial for understanding disease behavior.
  • Siewert classification categorizes cardia cancer based on tumor location.
  • Distinguishing between Siewert Type II and Type III is important for prognostic assessment.

Purpose:

  • To investigate clinicopathologic disparities between Siewert Type II and Type III cardia cancer.
  • To identify prognostic factors influencing survival in each subgroup.
  • To compare recurrence and survival rates between the two types.

Summary:

  • This study analyzed 141 gastric cardia cancer patients, comparing Siewert Type II and Type III classifications.
  • Significant differences were found in invasion depth, Lauren's classification, and lymph node infiltration.
  • Type III showed prognostic factors (invasion depth, nodal status), unlike Type II, yet survival and recurrence rates were similar.

Impact:

  • Highlights clinicopathologic heterogeneity within cardia cancer subtypes.
  • Suggests the need for refined classification systems for cardia cancer.
  • Provides insights into prognostic factor relevance for specific cardia cancer types.
Abstract

Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more similar...
Cellular Adaptation IV: Dysplasia and Metaplasia01:24

Cellular Adaptation IV: Dysplasia and Metaplasia

DysplasiaDysplasia refers to abnormal changes in the size, shape, and organization of mature cells, characterized by pleomorphism, nuclear abnormalities, and increased mitotic activity. It commonly affects epithelial tissues, including the cervix, gastrointestinal tract, respiratory mucosa, and endometrium. Although it may occur alongside hyperplasia, dysplasia is not a true adaptive response but a preneoplastic change with potential to progress to cancer.When confined above the basement...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Classification of Epithelial Tissues: Glandular Epithelium01:20

Classification of Epithelial Tissues: Glandular Epithelium

The glandular epithelium is made of one or more epithelial cells modified to synthesize and secrete chemical substances. Glandular epithelia can be classified based on cell number. Unicellular glands have individual secretory cells scattered across the epithelial monolayer. In contrast, multicellular glands consist of a hollow tubular duct attached to the cluster of secretory cells located in the deep pockets.
Multicellular glands are formed during early development when epithelial budding...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...