case scenario of a patient with cerebellar lesion

A 14 year old malay boy presented to the clinician with complaints of gidiness and vertigo for 1 month duration which was accompanied by a sense of loss of balance, diplopia, headache, nausea and vomiting. patient has 6 to 8 attacks a day and due to this his performance in school has been deteriorating. Patient also met with an accident while riding a motorcycle which was due to loss of control and balance. Patient is a case of G6PD deficiency which was diagnosed since birth and patient is allergic to peas and certain drugs which patient is unable to name. Patient also suffers from asthma since childhood.
On examination patient's vitals were normal, there is nystagmus upon horizontal gaze movement, hypotonia of the left upper and lower limb, and upon examining the cerebellar signs, dysdiadochokinesis on the left side is affected, finger nose test of left hand is affected with presence of intentional tremors, rebound phenomena is present on the left arm, knee heel cordination of the left leg was affected and patient's gait was broad based and unsteady. Suprisingly, in this patient romberg's test was also positive which indicates involvement of posterior coloumn tract.
Upon investigations, a CT scan of the brain revealed glioma.
Patient was transfered to Selayang Hospital and was refered to a neurosurgeon.

What were your learning points from this patient?