Description

Tiselius et al classified kidney stones based on size, nature and location. The size of a stone correlates with the difficulty in dissolution. The authors are from Huddinge University Hospital in Stockholm, Sweden.


 

Patient selection: urolithiasis

 

Parameters:

(1) number and size of stones within the kidney

(2) staghorn calculus (partial or complete)

(3) stone in the ureter

 

Ureter

Staghorn

Number

Diameter

Type

Y

NA

NA

NA

F

N

Y

NA

NA

E

N

N

1

<= 5 mm

A

N

N

1

6 to 20 mm

B

N

N

1

21 to 30 mm

C

N

N

1

>= 31 mm

D

N

N

2 or 3

<= 10 mm

B

N

N

2 or 3

11 to 20 mm

C

N

N

2 or 3

> 20 mm

D

N

N

>= 4

<= 10 mm

C

N

N

>= 4

> 10 mm

D

 

 

Ureter Location

Subtype

proximal

Fp

mid

Fm

distal

Fd

 


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