The Relationship between Ureteral Obstruction Time and Secondary Signs in Computed Tomography due to Ureteral Stone Obstruction.
J Coll Physicians Surg Pak
; 30(7): 678-682, 2020 07.
Article
en En
| MEDLINE
| ID: mdl-32811594
OBJECTIVE: To investigate the relationship between numerical values obtained using computed tomography (CT) in stone-related urinary obstruction and the duration of obstruction. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Department of Urology, Alanya Alaaddin Keykubat University, Turkey, from January 2018 to September 2019. METHODOLOGY: Eighty-three patients were investigated. Commencement of obstruction was defined as time of onset of pain. Cases with less than seven days elapsed between onset of obstruction; and CT were classified as acute obstruction; and those with durations of seven days or more as chronic obstruction. Bilateral renal parenchymal and renal fatty tissue densities were measured in three planes. RESULTS: Acute obstruction was present in 53 patients and chronic obstruction in 30. Median renal parenchymal densities in the obstructive and non-obstructive kidneys were 33 and 37 Hounsfield unit (HU), respectively; and median perirenal densities were 99 and 108 HU, the differences being statistically significant (p <0.05). Median perirenal density were 96 HU in acute obstruction and 104.5 HU in chronic obstruction and the difference was statistically significant (p <0.05). No statistically significant difference was determined between renal parenchymal density in acute and chronic obstruction (p >0.05). CONCLUSIONS: A low perirenal density on CT indicated prolonged duration of urinary obstruction. Key Words: Computed tomography, Hounsfield unit, Kidney stone, Ureter, Ureteral stone.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Obstrucción Ureteral
/
Cálculos Ureterales
Tipo de estudio:
Diagnostic_studies
/
Observational_studies
/
Prevalence_studies
/
Risk_factors_studies
Límite:
Humans
País/Región como asunto:
Asia
Idioma:
En
Revista:
J Coll Physicians Surg Pak
Asunto de la revista:
MEDICINA
Año:
2020
Tipo del documento:
Article
País de afiliación:
Turquía
Pais de publicación:
Pakistán