Terminal bar

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The terminal bar is a cytologic finding in ciliated cells that suggests benignancy.

Terminal bar in bronchial cells. Pap stain. (WC)

General

  • Terminal bar present = strong indicator that the cell is benign.[1]

Cytology

Features:

  • Dense band-like region in the luminal aspect of the cell.
    • Dark blue colour on Pap stain.
    • Typically seen together with cilia.

Related images

  • EBCs - high mag.

  • EBCs - high mag.

  • EBCs - high mag.

See also

References

  1. ↑ Van Le, L.; Novotny, D.; Dotters, DJ. (Nov 1991). "Distinguishing tubal metaplasia from endocervical dysplasia on cervical Papanicolaou smears.". Obstet Gynecol 78 (5 Pt 2): 974-6. PMID 1923244.
  2. ↑ Sciallis, AP.; Aubry, MC.; Bell, DA. (Sep 2009). "Ciliated adenocarcinoma of the ovary with evidence of serous differentiation: report of a case.". Int J Gynecol Pathol 28 (5): 447-52. doi:10.1097/PGP.0b013e3181a0717f. PMID 19696614.
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