Table 1 Timeline of the clinical findings, diagnosis, investigations, and surgical intervention. CRP = C-Reactive Protein; CSF = cerebrospinal fluid; n/a = not applicable; R = right; L = left

Day 0

Intermittent lethargy, hyporexia, GI signs

Spastic paraplegia with preserved nociception

L2-L3 epidural haemorrhage

MRI & CT

CRP = 64 mg/L

n/a

L2-L3 right sided hemilaminectomy

2 m after 1st surgery

Pelvic limb ataxia

n/a

n/a

n/a

n/a

1 year after 1st surgery

Intermittent lethargy and vomiting

Intermittent pelvic limb ataxia (R > L)

L2-L3 bone overgrowth

MRI & CT

CRP = 104 mg/L

n/a

L2-L3 right sided revision surgery

3 m after revision surgery

Occasional vocalisation

Pelvic limb ataxia

n/a

n/a

n/a

n/a

9 m after revision surgery

Pelvic limb ataxia

L2-L3 bone overgrowth

MRI & CT

CRP = 3 mg/L

Normal

n/a

18 m after revision surgery

Pelvic limb ataxia