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[The standardized techniques for preparing samples used in pathologic diagnostic transmission electron microscopy].

G Yang¹, X Tang, D Gan

¹Electron Microscopy Laboratory, School of Basic Medical Sciences, WCUMS, Chengdu 610041.

Hua Xi Yi Ke Da Xue Xue Bao = Journal of West China University of Medical Sciences = Huaxi Yike Daxue Xuebao

|September 11, 2002

Summary

Standardized techniques for transmission electron microscopy (TEM) sample preparation ensure well-preserved ultrastructures for accurate pathologic diagnosis of diseases like tumors and kidney conditions.

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Area of Science:

Pathologic diagnostics
Electron microscopy

Context:

Transmission electron microscopy (TEM) is crucial in diagnostic pathology.
Existing sample preparation methods may not fully meet diagnostic needs under practical conditions.

Purpose:

To establish standardized techniques for preparing diverse samples for diagnostic TEM.
To optimize sample preparation for enhanced ultrastructural preservation.

Summary:

Developed standardized protocols for fixatives, embedding media, sampling, and embedding procedures for fresh, suspension, and fine needle aspiration biopsy specimens.
Included methods for preparing samples from paraffin blocks and sections.
Protocols cover 5-hour and 24-hour embedding for fresh specimens.

Impact:

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The standardized techniques effectively preserve tissue and cellular ultrastructures.
Ensures high-quality samples suitable for diagnosing various conditions, including tumors and kidney diseases.
Facilitates reliable and accurate pathologic diagnoses using TEM.