TABLE 2.
STONE ANALYSES, URINARY TRACT ABNORMALITIES AND CORTICAL INJURY IN STONE FORMERS
| Case | Stone Analysis | Initial/Final | GU abnormality | Cortical Injury | ||||
|---|---|---|---|---|---|---|---|---|
| # | Apatite (%) | CaOx (%) | Br (%) | Br (%) | CaOx (%) | |||
| 1 | 1 | 64 | 36 | - | - | - | Staghorn, ureteritis cystica | None |
| 2 | 2 | 40 | 60 | - | - | 36/0 | Staghorn, bifid ureter, megacalycosis | None |
| 3 | 3 | 75 | 25 | - | - | 50/13 | - | None |
| 4 | 7 | 94 | 6 | - | - | 0/34 | Staghorn, R kidney cortex thinned | Glom |
| 5 | 5 | 55 | 25 | 20 | - | 20/4 | - | Glom |
| 6 | 2 | 82 | 18 | - | - | 10/26 | - | Glom, Int |
| 7 | 4a | 68 | 32 | - | - | - | - | None |
| 8 | 2a | 85 | 15 | - | - | - | - | None |
| 9 | 1 | 100 | - | - | - | - | Int | |
| 10 | 1 | 74 | 26 | - | - | - | - | - |
| 11 | 5 | 60 | 40 | - | - | 50/12 | - | None |
| 12 | 7 | 19 | 23 | 57 | 0/100 | - | - | Glom, Int |
| 13 | 10 | 0 | 30 | 70 | 0/100 | - | - | None |
| 14 | 2a | 0 | 0 | 100 | - | - | - | - |
| 15 | 5 | 12 | 6 | 82 | 96/44 | - | - | None |
| 16 | 5 | 0 | 0 | 100 | 100/100 | - | UPJ obstruction | None |
| 17 | 2 | 0 | 33 | 77 | 34/100 | - | L UPJ obstruction; all stones on L | None |
| 18 | 3 | 7 | 60 | 33 | 0/(0/100)b | - | R ureteral stricture, dilated ureter | None |
| 19 | 2a | 7 | 46 | 45 | - c | - | Staghorn | None |
| 20 | 2 | 0 | 0 | 100 | 100/100 | - | Horseshoe kidney | Glom |
| 21 | 2a | 0 | 50 | 50 | - d | - | Staghorn, Persistent R hydro x 2 yr | None |
| 22 | 3 | 19 | 33 | 48 | 68/74 | - | Staghorn, duplicate collecting system, L hydro | - |
| 23 | 3 | 27 | 10 | 63 | 0/100 | - | Staghorn, Pyelitis cystica | Int |
| 24 | 3a | 20 | 19 | 61 | -e | - | - | None |
| 25 | 3 | 8 | 48 | 37 | 0/(25/85)f | - | Long term R staghorn with stents | None |
| 26 | 6 | 9 | 22 | 69 | 98/(10/84) | - | - | - |
Stone analysis, # of stones analyzed, mineral as % of all stone material analyzed; Initial/final, % BR or HA in first and last stone analyzed;
a
, single stone episode;
b
, L stone 87% CaOx, 13% HA, R stone 100% BR;
c
, L stone 89% CaOx, 11% HA, R stone >90% BR;
d
, L stone 100% COM, R stone 100% Br;
e
, L stones 100% BR, R stone 57% CaOx, 43% HA;
f
, L stones mainly BR, R stones mainly CaOx and HA with thin outer layer BR.
L, left; R, right; UPJ, uretero-pelvic junction; hydro, hydronephrosis; Glom, glomerular injury score ≥ 2; Int, interstitial fibrosis or tubule atrophy score ≥ 2.