PKD (Polycystic Kidney Disease) is different from Multiple Kidney Cysts in
various aspects such as causes, history, complications and so on. Many patients
and even some doctors are confused about that. It is not difficult to tell the
difference between PKD (Polycystic Kidney Disease) and Multiple Kidney
Cysts.
1. Causes
PKD (Polycystic Kidney Disease) belong to genetic disease which runs in the
families. While, Multiple Kidney Cysts can be congenital and it can also caused
by trauma, inflammations, trauma and other factors.
2. Family History
If one parent has Polycystic Kidney Disease, there is 50% chance for their
children to get it. So, it is familial. While, most cases of Multiple Kidney
Cysts do not have this feature.
3. Content of cysts
Cysts of Polycystic Kidney Disease are filled with clear or yellowish fluid,
which is similar with urine. While, cysts of multiple Kidney Cysts are filled
with fluid which is similar with plasma, sometimes mixed with red blood
cells.
4. Symptoms and damages
Patients with Polycystic Kidney Disease can have hematuria (blood in urine),
high blood pressure, swelling, kidney insufficiency, Uremia (Kidney Failure).
However, Multiple Kidney Cysts do not pose symptoms like high blood pressure and
kidney insufficiency.
5. Location
The cysts of Multiple Kidney Cysts are usually located in the renal cortex,
and few of them are in the medulla. However, cysts of Polycystic Kidney Disease
can be at any parts of the kidney, including renal collecting duct.
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