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Related Experiment Videos

Eccrine spiradenoma. An electron microscopic study.

K Jitsukawa1, H Sueki, S Sato

  • 1Division of Dermatology, Japanese Red Cross Medical Center, Tokyo, Japan.

The American Journal of Dermatopathology
|April 1, 1987
PubMed
Summary
This summary is machine-generated.

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Electron microscopy reveals eccrine spiradenoma

Area of Science:

  • Dermatopathology
  • Electron Microscopy
  • Cell Biology

Background:

  • Eccrine spiradenoma is a benign adnexal neoplasm.
  • Its histopathological features are well-documented.
  • Ultrastructural characteristics require further elucidation.

Purpose of the Study:

  • To correlate the ultrastructure of eccrine spiradenoma with its histopathology.
  • To elucidate the cellular composition and organization of eccrine spiradenoma.
  • To determine the differentiation pathway of eccrine spiradenoma.

Main Methods:

  • Electron-microscopic examination of two typical eccrine spiradenoma lesions.
  • Ultrastructural analysis focusing on cellular morphology and tissue organization.

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Main Results:

  • Observed adenoid cystic organization with epithelial, myoepithelial, and nonepithelial cells.
  • Identified intracytoplasmic luminae within epithelial cells; no secretory activity noted.
  • Stroma extensively ramified parenchyma, forming cystoid spaces via invagination.

Conclusions:

  • Eccrine spiradenoma exhibits distinct ultramorphological features.
  • The neoplasm appears to differentiate towards eccrine sweat ductal structures.
  • Ultrastructural findings support a specific differentiation pathway for eccrine spiradenoma.