Indian Journal of Pathology and Microbiology

: 2014  |  Volume : 57  |  Issue : 4  |  Page : 642-

Quiz 5/2014


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How to cite this article:
. Quiz 5/2014.Indian J Pathol Microbiol 2014;57:642-642

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. Quiz 5/2014. Indian J Pathol Microbiol [serial online] 2014 [cited 2022 Sep 29 ];57:642-642
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Direct immunofluorescence of a renal biopsy (Anti IgA).


Fibroelastosis of an arcuate artery in Benign nephrosclerosis: Elastic tissue is strongly autofluorescent. The internal elastic lamina of an arcuate artery is shown to be reduplicated many times and seen as parallel undulating brightly fluorescent lines. Reduplication the internal elastic lamina and fibrosis of the wall in arcuate or interlobular arteries constitute what is called fibroelastosis and is a consistent finding in benign nephrosclerosis.[1],[2]

This is usually an incidental finding in renal immunofluorescence and will be found in all sections irrespective of the antibody used.


1Alexander RW, Hennigar RA, Griendling KK. Pathogenesis of hypertension: Vascular mechanisms. In: Braunwald E, ed. Atlas of Heart Diseases: Atherosclerosis-Risk Factors & Treatment. Philadelphia, Pa: Current Medicine; 1995:4.1-4.16.
2Takebayashi S, Kiyoshi Y, Hisano S, Uesugi N, Sasatomi Y, Meng J, Sakata N. Benign nephrosclerosis: Incidence, morphology and prognosis. Clin Nephrol. 2001;55:349-56.