http://amcexams.blogspot.com/?spref=gb
■ Abdominal examination is
most rewarding after ensuring
adequate analgesia.
■ Plain KUB has a sensitivity of
only 45-59% and a specificity
as low as 77% – it cannot be
used to rule in or rule out the
diagnosis of ureteric calculi.
■ Infection with obstruction
mandates urgent
decompression.
■ There is evidence of
permanent nephron loss within
72 hours of complete
obstruction.
■ The likelihood of spontaneous
stone passage is determined
by stone size and position.
■ Fifteen to twenty per cent of
all patients with ureteric
calculi will require intervention
using ESWL, ureteroscopy or
percutaneous nephrolithotomy.
