Fig. (2.9)
DMSA scan (chronic pyelonephritis)
small-sized left kidney with irregular
outline and multiple photopenic areas.
A photodeficient area is also noted at
the lower pole of right kidney.(Fig. 2.10)
(a) Perfusion study: Reduced perfusion of the right kidney, in comparison
to the normal left kidney, with loss of the flow peak.
(b) Renogram:
The right kidney shows prolonged time maximum activity (second,
accumulation phase), flat peak, and slow rate of excretion.