[Cystine lithiasis: retrospective study about 25 cases].
BACKGROUND
cystinuria is a severe form of renal which is exposed the patient at multiple recurrent.


OBJECTIVE
Report and identify the clinical and biochemical characteristic of cystinuria in Tunisian region.


METHODS
It is a study of 25 cases of cystinuria, concerning at 16 adults and 9 children from 1995 to 2006. Cystinuria is recognized on the basis of spectrophotometric analysis of the stones (24/1586), by study of urinary crystals completed with brands test (5 cases) or by the two types of explorations.


RESULTS
the frequence of cystinuria is 1.5% (25/1586). 89% stones were renal and 23% were bilateral. The stones have a diameter between 15/30 mm and classified type V at morphology.


CONCLUSIONS
Our data will improve the management based on early diagnosis, regular follow up and respect of dietetic rules.
Belhadj
R
R
Service de Biochimie, Hôpital Charles Nicolle, Tunis.
Marrakchi
O
O
Zerelli
L
L
Mohsni
A
A
Chebil
Mohamed
M
Abdelmoula
Jouda
J
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003553:Cystine / Q000032:analysis*; D003555:Cystinuria / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012189:Retrospective Studies; D013055:Spectrophotometry, Infrared / Q000379:methods; D014416:Tunisia / Q000453:epidemiology; D014545:Urinary Calculi / Q000737:chemistry* / Q000175:diagnosis* / Q000453:epidemiology / Q000628:therapy
D003553:Cystine