Pomeranian Teddy may be small but he has a big personality. So when his friendly and lively character dramatically changed, it was a massive concern for his family. Where he had been affectionate and responsive he was distant and did not want to be touched. When he came to Fitzpatricks, we performed CT and MRI scans which revealed atlanto-axial instability and a vertebral arch malformation, causing dramatic compression of the spinal cord near his brainstem behind his brain. This is all on an inc