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 Ear Pathology Online

Pathology of  Merkel Cell  Carcinoma of the External Ear

Dr Sampurna Roy MD

 

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Merkel cell carcinoma is an uncommon skin lesion, considered a malignancy of the neuroendocrine system, which is found mainly in elderly people.

Its incidence is highly correlated with sun exposure or immuno- deficiency syndromes.

Ceruminous Adenocarcinoma ; Middle Ear Adenoma

Merkel cell  carcinoma  is often an aggressive tumour with high tendency for local recurrence, lymph node involvement and distant metastasis. 

The commonest presentation is the head and neck region.

A few cases of merkel cells carcinoma originating from the auricle have been described.

Some of these tumours are located in the external ear canal. 

Visit: Merkel cell (neuroendocrine) carcinoma ; Dermatopathology Case 153 ; Path Quiz Case-15: Case history and images.

 

Further reading:

Merkel cell tumour of the external ear. Report of a case.

Merkel cell carcinoma of the auricle.

Merkel cell carcinoma of the auricle.

Merkel cell carcinoma of the auricle

Merkel cell carcinoma of the external auditory canal invading the intracranial compartment.

Merkel cell carcinoma of the pinna.

Merkel cell carcinoma of the ear.

 

Ear Pathology Online - Home Page           Ear Pathology Online -Index 

 

 

Dr Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)


 

 

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