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Ear Pathology Online

Pathology of Adenocarcinoma of Middle/Inner Ear

Dr Sampurna Roy MD

 

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Primary adenocarcinoma of the middle ear is a rare locally invasive neoplasm assumed to arise from the middle ear mucosa.

The tumour may or may not be associated with chronic suppurative otitis media.

Primary adenocarcinoma of the temporal bone is a rare disorder.

Some authors have concluded that middle ear adenocarcinoma  belongs to the spectrum of extracranial tumours that may have possible local extension to the brain.

Differential diagnosis: Adenocarcinomas must be differentiated from benign adenomas. In adenocarcinoma there is increased pleomorphism and mitotic figures and extensive infiltration of surrounding structures.

To rule out a metastatic tumour a detailed clinical history is essential.

After the exclusion of a primary site elsewhere, the tumour should be managed by surgery and postoperative radiotherapy, especially if tumour excision is incomplete or in case of high-grade tumours. 

 

Further reading:

Middle ear adenocarcinoma with intracranial extension. Case report.

Primary poorly differentiated adenocarcinoma of the middle ear.

Primary adenocarcinoma of the middle ear .

Primary adenocarcinoma of the temporal bone mimicking paragangliomas: radiographic and clinical recognition.

Primary adenocarcinoma of the middle ear and temporal bone. 

Primary adenocarcinoma of the middle ear.

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Dr Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)


 

 

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