Wilsons disease Flashcards
What is wilsons disease
Autosomal recessive disorder characterised by excess copper depositon in tissues
Main organs targeted in wilsons
Brain, liver, cornea of eyes
Features of wilsons disease
Liver dysfunction - cirrhosis, acute liver failure
CNS symptoms
Renal tubular acisodis
Haemolysis
Blue nails
Kayser fleishcer rings
Sunflower cataracts on slit lmap
Eye signs in wilsons
Kayser fleischer rings
Sunflower cataracts on slit lamp - doesnt impair vision
What CNS sympomts can get in wilsons
Basal ganglia degeneration
First - speech, behavioural and psych
Thne:
Asterixis, chorea, parkinsonism, dementia
Asymmetrical tremor
Poor coord + clumsy
Neuropsych illness, nuerotic behaviour
Tests for wilsons disease
Unusual liver or neuro abnormalities
24 urinary copper
Sreum free copper
Hepatic copper from liver biopsy
Fenetic screening cpmplex and scoring system
Can you dignose wilsons with kayser fleischer rings and low serum caeruloplasmin <0.1g/L
Yes
Treatment of wilsons first line
D-penicillamine - chelates copper
What gene is affected in wilsons
ATP7B on chromosome 13
Presentation vs age
10-25 years onset of symptoms
Children - liver disease
Young adults - neuro
What does wilsons cause in kidneys
Renal tubular acidosis esp fanconis syndrome
What would you find if investigations were positive for wilsons
Reduced serum caeruloplasmin + serum copper
Increased 24 hour urinary copper excretion
2ndry treatments for wilsons
Trientine hydrochloride
Tetrathiomolybdate - investigating
Wilsons disease on bloods
Reduced serum caeuloplasmin + total erum copper (free copper is increased0