Columnar Cell Change

 

Epidemiology:

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Common sites:

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Gross features:

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Histologic features:

    • cystically dilated lobular ductules
    • cuboidal to tall columnar cells distributed uniformly, with a crowded appearance
      • 1-2 cell layers only
    • nuclei relatively large
      • little nuclear pleomorphism
      • not atypical
    • apical snouts usually present
    • mitoses rare

 

Immunophenotype:

Marker:

Sensitivity:

Specificity:

 

 

 

 

Molecular features:

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Other features:

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