A 35 year old female presented to the outpatient ENT clinic in AL-Hussein teaching hospital/Samawah city with painless swelling over the posterior aspect of the right auricle 2 years ago, the swelling is gradually increasing in size. There is no history of previous trauma or surgery.
The mass is non tender, oval in shape, measured 5ₓ 3 cm. in dimeters, freely mobile, fluctuant and the skin overlying it is warm on touch and there is an increased in its vascularity. There is no scar and no changes over the skin surrounding the swelling. The swelling is neither pulsatile nor compressible.
The mass was excised under general anaesthesia and sent for histopathological examination and we are waiting for the result of the pathological evaluation. Grossly the mass is an oval in shape, 5ₓ 3 cm in dimeters, when excise part of it, its cavity contains a blood with a thick wall but the cavity contains no hair.
What is the differential diagnosis of this swelling?
Thank you in advance for your valuable response.
Best regards
Raid
Dear Dr. Raid, Thank you very much for inviting me to this session, but this topic is utterly out of my research domain, so I can not add any scientific comment, I am so sorry Sir.
Regards, Emad
Dear
It is a wonderful question and topic but it is not my specialty but I will follow up for the purpose of increasing knowledge
regards
It seems to be benig, myabe it could be hamartoma since it had some blood, but of course wait for the final patologic result and please tell us
May be dear Andrés Chala. Of course dear I will tell you about the result of pathological examination.
The pathological report shows the lesion is consistent with Schwannoma
please provide detail of the histopathology report.Was the histology predominantly Antony B type.Any immunohistochemistry was done for case.
Infected Keloid because this site is very common site of keloid
Auricular schwannoma is very rare probably totally four cases are reported in literature so far
Diagnosis of great auricular nerve schwannoma fits with localisation and hystopathology results
It may be an ectodermal cyst. Opn. &biopsy is correct procedure.@
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