A 14 year old boy with difficulty in walking and behavioural disturbance, recovered from prolonged jaundice recently, has bluish pigmentation over lunula. The next investigation to be done:
Neurological involvement + Jaundice + Azure Nails (Bluish discoloration of nails) = Wilson's disease Dx: Slit lamp examination and 24 hrs urinary copper Rx: for Neurological feature - Tetrathiomolybdate
Nail fold cappillaroscopy
Slit lamp examination
Biopsy of the pigmented area
Ankle-brachial pressure index
JIPMER 2018