Table 2

	Our case report	Ye Sel Kim etal	Perera et al	Song CY etal
Clinical presentation	Progressive slowness of speech, unsteady gait, acute onset altered behavior, generalized seizure	Focal Seizures	Behavioral changes	Clinical manifestations of acute parkinsonism
Radiological Findings	Extensive cerebral cortical,cerebellar, bilateral basalganglia and thalamic calcification	Cortical and sub-cortical calcifications with basalganglia,thalami and cerebellar calcifications.	Normal CT brain	Basal ganglia calcifications
Important biochemistry	Hypocalcemia,hyperphosphatemia,elevated serum intact PTH, marginally low Vitamin D levels	Hypocalcemia,Hyperphosphatemia elevated serum intact PTH	Hypocalcemia,high normal serumphosphate levels,marked elevation of serum intact PTH levels.	Hypocalcemia and hyperphophatemia
Diagnosis	Pseudohypoparathyroidism	Pseudohypoparathyroidism	Pseudohypoparathyroidism	Pseudohypoparathyroidism
Outcome	Responded to calcium and vitamin D supplementation.	Clinical and biochemical response to Calcium and vitamin D Suplimentation	Not available	Marked improvement of dyskinesias with calcium supplimentation
Other Remarks	First reported case of PHP with cortical calcifications in Sri lanka	Rare presentation of PHP with cortical and subcortical calcifications