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Polycystic kidney disease

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Polycystic kidney disease
Consist of two variants
1. autosomal dominant polycystic kidney disease (ADPKD )
2. autosomal recessive polycystic kidney disease ( ARPKD )
Autosomal polycystic kidney disease (ADPKD)
Genetically seen defects on
1. PKD 1 gene ( defect on chromosome 16 ) .
2. PKD 2 gene ( defect on chromosome 4 ) .
Note usually seen in individual between 30-45 years old.
Clinical picture
1. Flank pain
Note regular episodes of flank pain lead this patients to opioids addiction .
2. There is a increase incidence in urinary tract infections ( UTI )
Note incidence of pyelonephritis increases presence of positive culture with positive
WBC count.
3. Incidence of kidney stone increases Urate stones
Note most common stone is oxalate stones but in this cases it is urate stone that is seen .
4. Usually renal cell carcinoma ( RCC ) is rare in this condition but if it shows than it is very
aggressive i.e the multicentric variant is seen .
5. Decrease in GFR which leads to increase renin , hence cases of hypertension is seen .
Note the reason for headache in this patients .
The reasons why the patients come to the doctor are for the following extra- renal reasons
1. GIT colonic diverticulosis (due to blockage of the mouth of this diverticula by feacolite
causes diverticulitis .
2. CVS- mitral valve prolapse
3. CNS- Arteriovenous malformation (berry aneurysm).

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Polycystic kidney disease Consist of two variants 1. autosomal dominant polycystic kidney disease (ADPKD ) 2. autosomal recessive polycystic kidney disease ( ARPKD ) Autosomal polycystic kidney disease (ADPKD) Genetically seen defects on – 1. PKD 1 gene ( defect on chromosome 16 ) . 2. PKD 2 gene ( defect on chromosome 4 ) . Note – usually seen in individual between 30-45 years old. Clinical picture 1. Flank pain Note – regular episodes of flank pain lead this patients to opioids addiction . 2. There is a increase incidence in urinary tract infections ( UTI ) Note – incidence of pyelo ...
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Anonymous
Very useful material for studying!

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