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Nuclear grooves. How specific are they?

A Tahlan1, P Dey

  • 1Department of Cytology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Acta Cytologica
|February 24, 2001
PubMed
Summary
This summary is machine-generated.

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Nuclear grooves appear in both benign and malignant thyroid and extrathyroid lesions. Their presence is not a reliable indicator of cancer, suggesting they are nonspecific findings.

Area of Science:

  • Cytopathology
  • Surgical Pathology

Background:

  • Nuclear grooves are cellular structures observed in cytological smears.
  • Their diagnostic significance in differentiating benign from malignant lesions remains debated.

Purpose of the Study:

  • To investigate the presence and significance of nuclear grooves in various thyroid and extrathyroid lesions.
  • To determine if nuclear grooves can reliably distinguish between benign and malignant conditions.

Main Methods:

  • Retrospective analysis of 26 cases including thyroid papillary carcinoma, papillary adenocarcinoma, normal cervical smears, and benign bronchioalveolar lavage (BAL) smears.
  • Hematoxylin and eosin- and Papanicolaou-stained smears were examined for nuclear grooves.

Main Results:

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  • Nuclear grooves were observed in almost all cases studied.
  • The highest frequency of nuclear grooves was noted in normal cervical smears, followed by thyroid papillary carcinoma, papillary adenocarcinoma, and BAL smears.

    • Conclusions:

    • The number of nuclear grooves did not correlate with the benign or malignant nature of the lesions.
    • Nuclear grooves are likely nonspecific findings and should be interpreted in conjunction with other diagnostic features.