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Pathology of Salivary Gland Choristoma

Dr Sampurna Roy MD 

 

                                                                                                                      

 

Choristoma (ectopic rest of normal tissue) is made up of salivary gland, glial or sebaceous gland tissue and are often seen in the middle ear biopsies.

Choristomas are regarded as self-limited developmental heterotopias.

There have been rare instances in which choristomas have been linked to the subsequent development of neoplasms. 

Choristomas composed of recognizable salivary gland tissue may be found in a variety of locations including the middle ear.

It is a distinct histopathologic entity that should be differentiated from other epithelial lesions of the middle ear.

Middle ear salivary choristomas are distinctly unusual lesions and typically manifest as unilateral conductive hearing loss; while both adult and pediatric patients have been diagnosed with middle ear choristomas, most patients have been in the first two decades of life.

As these are benign, nonprogressive lesions, treatment has been directed toward complete surgical excision whenever feasible, and biopsy for diagnosis with subsequent observation in the case of those lesions which are difficult to remove without endangering the facial nerve.

Salivary gland choristoma is a distinct histopathologic entity that should be differentiated from other epithelial lesions of the middle ear.

 

Further reading:

Salivary gland choristoma of the middle ear.

Salivary gland choristoma of the middle ear.

Middle ear salivary gland choristoma related to branchio-oto-renal syndrome diagnosed by array-CGH.

Intracranial salivary gland choristoma within optic nerve dural sheath: case report and review of the literature.

Salivary gland choristoma of the middle ear in a child with situs inversus totalis.

Choristoma of the middle ear: a component of a new syndrome?

Salivary gland choristoma of the middle ear: a case report.

Salivary gland choristoma in the middle ear: a case report.

Salivary gland choristoma of the middle ear: report of a case and review of the literature.

Choristoma of the middle ear

Salivary gland choristoma in the middle ear].

 

 

Dr Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)


 

 

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