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Related Experiment Videos

Sponge artifact in biopsy specimens.

S K Landas1, C M Bromley

  • 1Department of Pathology, University of Iowa Hospitals and Clinics, Iowa City 52242.

Archives of Pathology & Laboratory Medicine
|December 1, 1990
PubMed
Summary
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A sponge artifact creates triangular holes in biopsy tissue during processing. While usually minor, it can obscure details in kidney and liver biopsies, suggesting alternative methods may be better.

Area of Science:

  • Histopathology
  • Biopsy Techniques
  • Tissue Processing

Background:

  • Sponge materials are commonly used in biopsy specimen processing.
  • Artifacts can arise during tissue handling and embedding.
  • Histologic artifacts may impact diagnostic accuracy.

Purpose of the Study:

  • To describe a specific artifact introduced by sponge materials during biopsy processing.
  • To evaluate the significance and potential impact of this artifact on histopathology.
  • To compare the utility of sponge embedding versus alternative methods.

Main Methods:

  • Observation of angulated, triangular holes in histologic sections of biopsy specimens.
  • Analysis of artifact formation related to sponge barbs embedding in tissue.

Related Experiment Videos

  • Comparison with alternative tissue handling methods like lens paper wrapping.

    • Main Results:

    • A consistent artifact characterized by angulated, triangular holes was identified.
    • The artifact results from sponge barbs embedding into biopsy specimen perimeters.
    • This artifact can occasionally obscure critical diagnostic information, particularly in kidney and liver needle biopsies.

    Conclusions:

    • The sponge-induced artifact is a common finding in processed biopsy specimens.
    • While generally not clinically significant, it poses a risk in specific biopsy types.
    • Alternative methods like lens paper wrapping may offer superior clarity for certain specimens, though sponge utility often prevails.