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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.
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The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
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Related Experiment Video

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Optimization of Breast Biopsy and Mastectomy Sample Collection Procedures for Biobanking, Personalized Medicine, and Research Applications
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Basic technique for solid lesions: Cytology, core, or both?

Shantel Hébert-Magee1

  • 1Director of Academic Pathology, Center for Interventional Endoscopy, Florida Hospital, Orlando, FL 32801, USA.

Endoscopic Ultrasound
|June 21, 2014
PubMed
Summary
This summary is machine-generated.

Proper tissue handling after aspiration or biopsy is crucial for accurate diagnoses. Endosonographers need fundamental knowledge of tissue processing to achieve high diagnostic accuracy in procedures.

Keywords:
Ancillary testingcell blockcore tissuedirect smearsendoscopic ultrasoundfine-needle aspirationtissue handling

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Area of Science:

  • Gastroenterology and Endoscopy
  • Pathology
  • Surgical Techniques

Background:

  • Endoscopic ultrasound (EUS)-guided tissue acquisition is a critical diagnostic tool.
  • Suboptimal tissue handling can lead to non-diagnostic samples and impact patient management.
  • Achieving high diagnostic yield requires meticulous attention to post-procurement procedures.

Purpose of the Study:

  • To outline essential principles for post-procurement tissue handling following aspiration and biopsy.
  • To emphasize techniques that influence diagnostic accuracy and clinical decision-making.
  • To underscore the importance of tissue handling knowledge for endosonographers.

Main Methods:

  • Review of established best practices in tissue procurement and processing.
  • Discussion of specific techniques for handling tissues obtained via aspiration and biopsy.
  • Emphasis on the link between handling methods and diagnostic outcomes.

Main Results:

  • Key fundamentals of post-procurement tissue handling are detailed.
  • Subtle techniques are identified as significantly impacting patient management.
  • A >95% diagnostic accuracy is achievable with proper tissue acquisition and processing.

Conclusions:

  • Mastery of tissue handling and processing is imperative for endosonographers.
  • Effective tissue management directly correlates with diagnostic success rates.
  • Adherence to best practices ensures optimal utilization of tissue samples for patient care.