Incidental ipsilateral acoustic neuroma detected during MRI following cholesteatoma surgery

Posted By Peter Sadeghi
Incidental ipsilateral acoustic neuroma detected during MRI following cholesteatoma surgery

This is the first case report of an incidental ipsilateral acoustic neuroma detected during MRI following cholesteatoma surgery. Figure 1: Preoperative high-resolution CT (HRCT; contrast-enhanced axial section) of the temporal bones demonstrating soft tissue opacification in the left medial epitympanic recess, opacification of the left mastoid antrum and air cells, ossicular erosion and bony erosion of the scutum, consistent with a left-sided cholesteatoma. Figure 2: Postoperative MRI (contrast-enhanced T1 axial section) demonstrating 11 mm enhancing mass centred on the left porous acousticus consistent with a left-sided acoustic neuroma.

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  • Jonathan Fishman 2017-10-22 21:03:14

    I am participating in the case discussion and thank you for your comments in the peer review process.



    We have discussed your comments and would like to offer the following responses:



    A) Although the two entities are common when considered separately, they have not been described simultaneously before (ipsilaterally) and we believe this is worthy of publication as there is an important message here to send out in the literature demonstrating an additional advantage of MR imaging.



    B) We can confirm that this image is WITH contrast



    C) Porus internus. This will be revised accordingly.

    Reply

  • Peter Sadeghi 2017-10-22 11:10:00

    Dear Dr Talanow,



    Thank you for your helpful comments on our article and apologies for the delay in responding to you.



    We have discussed your comments and would like to offer the following responses:



    A) Although the two entities are common when considered separately, they have not been described simultaneously before (ipsilaterally) and we believe this is worthy of publication as there is an important message here to send out in the literature demonstrating an additional advantage of MR imaging.



    B) We can confirm that this image is WITH contrast



    C) Porus internus. This will be revised accordingly.



    Thanks again for your comments.



    With best wishes

    Reply

  • Roland Talanow 2017-08-15 14:21:28

    A) These are two common entities. That they have not been reported might be related to that.

    B) Furthermore, this seems to be a T1 NON-contrast sequence.

    C) Which porus acusticus are you referring to? Internus (I assume) or externus? Small details which however matter.



    Comments are appreciated. Thank you

    Reply