Imaging: Ataxic cat

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3 replies
  1. Nikolay
    Nikolay says:

    1. Asterisk – chip under the skin.
    2. Localisation – Intradural extramedular.
    3 Carcinoma metastasis\ may be meningioma, but meningioma located extradural.

  2. Pavel Karataev
    Pavel Karataev says:

    Interesting pictures! ))))
    I don’t think that this MRI signal is artifact from metal as this artifact appears just in T1 FS poscontrast.. I have no idea, but I would be happy to read the right answer )))
    I think that it’s intradural extramedullar mass.

  3. neuropetvet
    neuropetvet says:

    1. It is a metal artifact from the microchip. It is unusual that it’s not readily apparent on other sagittal images.
    2. The mass is intradural-extramedullary – Note the “golf tee” sign on the sagittal T2-weighted image
    3. Histologic diagnosis following surgical excision was meningioma. Other differentials based on MRI included malignant nerve sheath tumor, lymphoma, histiocytic sarcoma, metastatic tumors, and other less common neoplasms. Focal inflammatory/infectious disease (e.g., fungal granuloma) also possible.

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