Cytologic features
Transitional (urothelial) metaplasia

Topic Completed: 1 March 2011

Minor changes: 19 March 2020

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PubMed search: Transitional urothelial metaplasia

Farnaz Hasteh, M.D.
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Cite this page: Hasteh F. Transitional (urothelial) metaplasia. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/cervixcytologytransitionalmetaplasia.html. Accessed August 3rd, 2020.
  • Also called immature transitional (urothelial) metaplasia
Clinical features
  • Predominantly in postmenopausal women
Cytology description
  • Clusters of cells with streaming, oval, bland nuclei containing longitudinal nuclear grooves
  • May have perinuclear halos and wrinkled contours
  • No / rare mitotic figures, no cilia, no crowding or nuclear atypia
Cytology images

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Transitional cell metaplasia

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Squamous and transition (urothelial) metaplasia

Positive stains
Negative stains
Differential diagnosis
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