The study analyzed the correlation between the presence of concha bullosa with the presence of radiological sinus opacity and sinonasal functional symptoms. All patients whose computed tomography (CT) findings were positive for concha bullosa were included in the study. The CT parameters taken in consideration were the presence and volume of concha bullosa, the aspect of the ipsilateral maxillary sinus (normal transparency, presence of sinus opacity). Clinical parameters were sinonasal functional signs. Statistical comparisons were made using the Pearson Chi square test. Over a four years period, 2436 CTs were interpreted, 276 of which presenting a concha bullosa (prevalence of 11.33%). The average age was 33 (19 to 63). Females (204 either 74%) outnumbered men (72 either 26%). An opacification of the ipsilateral maxillary sinus seen upon CT was statistically related to the presence of a large concha bullosa (p = 0.02). On the other hand, the presence of a clinical symptomatology of maxillary sinusitis crossed with the presence of a large concha bullosa was not significant (p ˃ 0.50). This study has demonstrated a close correlation between the existence of a large concha-bullosa and an ipsilateral maxillary sinusitis seen on CT-Scan without necessarily having clinical manifestation of sinusitis. The diagnosis of sinusitis must remain primarily clinical.
Whether on dialysis or not, native kidneys in chronic kidney disease (CKD) patients undergo morphological and structural changes. Objective: To study native kidney morphometric and structural aspects in CKD patients on dialysis and non-dialysis patients. Methods: It was a descriptive, analytical, and cross-sectional study conducted from May to December 2018. The study enrolled CKD patients on dialysis or not followed at CNHU-HKM in Cotonou. Renal ultrasound was performed to locate cysts and uroscanner completed in the presence of atypical cysts. Through logistic regression, associated factors were determined. Results: The sample size was 240 patients, of which 151 (62.9%) were receiving dialysis and 89 (37.1%) non-dialysis patients. Male subjects were predominant (sex ratio = 1.5). The average size of the right kidney, expressed in mm in patients on dialysis was: pole-to-pole length = 78.56; width = 42.06; cortical thickness = 11.80; and the left kidney: pole-to-pole length = 79.76; width = 41.53; cortical thickness = 12.6. For nondialysis patients, the following size was recorded for the right kidney: pole-to-pole length = 92.35; width = 47.61; cortical thickness = 15.64; and left kidney: length = 92.13; width = 47.82; cortical thickness = 15.43. Predictive factors for the occurrence of acquired renal cysts were: old age (p = 0.0001), dialysis (p < 0.001) and diabetic nephropathy (p = 0.0014). Conclusion: CKD patients on dialysis have small kidneys and are more likely to develop acquired renal cysts. There is a need to carry out an annual ultrasound screening for native kidneys in patients receiving dialysis.
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