Abstract
Background: Renal lymphangiectasia is rarely reported benign renal disorder of lymphatic malformation. Though found incidentally; it presents with nonspecific symptoms and shows characteristic findings in radiological imaging studies.Aim: Here, we report eight patients with symptoms, laboratory and imaging findings compatible with renal lymphangiectasia. This report describes clinical and laboratory characteristics, treatment, Imaging findings and outcome of a series of patients with renal lymphangiectasia and reviews the literature.Methods and material: Eight patients (mean age 45 years, male:female ratio 3:1) from 1st January 2011 to 30th June 2016; showing renal lymphangiectasia as incidental finding on CT IVP were included in the series. Imaging and laboratory findings were reviewed. Two out of eight patients (25%) underwent aspiration of collection and laboratory findings confirmed the diagnosis of renal lymphangiectasia. Four out of eight patients (50%) did not undergo aspiration of fluid and were offered conservative treatment. Two out of eight patients (25%) were donors for renal transplantation who were managed conservatively.Results: Renal lymphangiectasia was diagnosed on CT IVP. In each case, where aspiration of collection fluid was offered, the laboratory diagnosis of renal lymphangiectasia was confirmed and patients were managed conservatively. However, large collection in one patient was relieved by percutaneous aspiration.Conclusions: Renal lymphangiectasia can be diagnosed with CT scan and confirmed by laboratory tests. As it may be confused with other cystic lesions of kidney; proper diagnosis and exclusion of other differentials can be effectively offered by CT scan IVP, which can avoid unnecessary invasive treatment options.
Highlights
Renal lymphangiectasia is very rarely reported benign condition of lymphatic malformation where dilated perirenal, peripelvic or intrarenal lymphatics are seen [1,2]
CT scan was done on Seimens Somatom 64 Slices CT scanner with Injection of 350 mL iohexol in 60 mg/kg dose with prior written consent
Age of patients diagnosed with renal lymphangiectasia was mean 45 years (28–62 years) with male-to-female ratio 3:1
Summary
Renal lymphangiectasia is very rarely reported benign condition of lymphatic malformation where dilated perirenal, peripelvic or intrarenal lymphatics are seen [1,2]. The main causative factor is noncommunication of perirenal and peripelvic lymphatic channels with the main lymphatics [3] It is observed both in adults and in children of both sexes [3,4]. Various causes identified are familial, developmental and acquired causes Asymptomatic, it may show nonspecific symptoms and is diagnosed by typical imaging findings. In each case, where aspiration of collection fluid was offered, the laboratory diagnosis of renal lymphangiectasia was confirmed and patients were managed conservatively. Conclusions: Renal lymphangiectasia can be diagnosed with CT scan and confirmed by laboratory tests As it may be confused with other cystic lesions of kidney; proper diagnosis and exclusion of other differentials can be effectively offered by CT scan IVP, which can avoid unnecessary invasive treatment options
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