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Related Concept Videos

Gallbladder01:17

Gallbladder

The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...

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Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging
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Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging

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Morphological features of early gallbladder carcinoma.

Toshifumi Wakai1, Yoichi Ajioka, Naoto Nagino

  • 1Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.

Hepato-Gastroenterology
|February 28, 2012
PubMed
Summary

Most early gallbladder cancers are superficial and detected late. Deeper (pT1b) gallbladder cancers typically spread locally, offering potential for early intervention.

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Application of the En Bloc Concept Combined with Anatomic Resection in Laparoscopic Hepatectomy
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Area of Science:

  • Gastroenterology
  • Surgical Pathology
  • Oncology

Background:

  • Early gallbladder carcinoma staging is crucial for treatment.
  • Morphological classification aids in understanding tumor behavior.

Purpose of the Study:

  • To clarify the morphological features of early gallbladder carcinoma.
  • To differentiate between tumors invading the lamina propria (pT1a) and muscular layer (pT1b).

Main Methods:

  • Retrospective analysis of 299 early gallbladder carcinoma cases (1982-2010).
  • Macroscopic tumor classification: protruding vs. superficial.
  • Subclassification of tumor morphologies.

Main Results:

  • Superficial tumors (64%) were less frequently detected preoperatively/intraoperatively (24%) compared to protruding tumors (79%).
  • Most pT1a tumors (86%) and pT1b tumors (14%) were identified.
  • Limited lymphatic/blood vessel or perineural invasion was observed, with one pT1b case showing lymphatic vessel invasion.

Conclusions:

  • Two-thirds of early gallbladder carcinomas are superficial, often leading to delayed detection.
  • pT1b gallbladder carcinomas demonstrate localized spread, highlighting the importance of early diagnosis and intervention.