Leiomyosarcoma of the skin

 

Epidemiology:

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Common sites:

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Gross features:

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Histologic features:

    • cellular atypia
    • mitoses
      • in the presence of atypia, only 1 mitosis is required for diagnosis
    • single cell necrosis (pyknotic nuclei)

 

Immunophenotype:

Marker:

Sensitivity:

Specificity:

 

 

 

 

Molecular features:

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Other features:

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