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Pathology of Solitary Fibrous Tumour of the External Ear

Dr Sampurna Roy MD   


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Solitary fibrous tumour is a rare spindle cell neoplasm of increasing incidence that was originally described to be of pleural origin.

Recently cases of solitary fibrous tumour have been reported in extrapleural sites, including external auditory meatus.

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A light microscopic study reveal a spindle-cell proliferation with a collagenous stroma and a staghorn-like vascular pattern. 

The tumour cells are immunohistochemically positive for vimentin and CD34.

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Further reading

Solitary fibrous tumor of the auditory canal.

A solitary fibrous tumor in the external auditory meatus.

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Dr Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)







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