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Sonographic Features of Necrosed Renal Papillae Causing Hydronephrosis
Author(s) -
Vijayaraghavan S. Boopathy,
Kandasamy Sangampalayam Vedhanayagam,
Arul Mylsamy,
Prabhakar Muniappan
Publication year - 2003
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/jum.2003.22.9.951
Subject(s) - medicine , hydronephrosis , lumen (anatomy) , ureter , kidney , urology , surgery , anatomy , urinary system
Objective . To describe the sonographic appearance of ureteric obstruction due to necrosed papillae. Methods . In this study, carried out over 3 years 6 months, patients with diabetes mellitus who had renal colic were studied by sonography. Results . In 15 patients with hydronephrosis, there was a soft tissue mass of necrosed papillae filling the ureteric lumen at the site of obstruction. Necrosed papillae were seen in medullary cavities of the ipsilateral kidney in 5 patients. Ureteroscopic removal of necrosed papillae was done in 13 patients. One patient was not fit for an invasive procedure. Conclusions . When patients predisposed to renal papillary necrosis have renal colic, and sonography fails to show a ureteric calculus, it is best to look for necrosed papillae in the ureter, which may be causing obstruction.

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