Imaging in acute renal infection

Complicated Upper Urinary Tract Infection

“…The interesting point is that in this entity, despite emphysematous pyelonephritis gas persisted to exist in images several months after treatment [1]. In CT, gas has a HU number≤ -150 but liquid ±10 HU [27]. Although, Inidium 111 and Gallium isotope scans may have a role in diagnosis, but false negative results have been reported [30].…”

“…Actually, we may see a hypoechoic or anechoic mass or nephromegaly. There may also be debris inside the mass moving in the position changes [27]. CT must also be performed in those patients with normal sonogram, but discordant clinical behavior (lack of response to antibiotics, infectious metastases, papillary necrosis, etc), or if there remains any doubt in diagnosis based on sonography.…”

“…CT must also be performed in those patients with normal sonogram, but discordant clinical behavior (lack of response to antibiotics, infectious metastases, papillary necrosis, etc), or if there remains any doubt in diagnosis based on sonography. CT is the most accurate modality for detecting a renal abscess [27]. An abscess usually appears as a well-defined low-density mass.…”

Pediatrik Nontravmatik Abdominal Acillere Radyolojik Yaklasim

“…BT'de kama şeklinde, medulladan kortekse uzanan hipodens lezyonlar görülür. Sintigrafi, BT ve MRG'nin akut piyelonefriti saptamadaki sensitivitesi benzerdir [26].…”

“…Akut piyelonefritte görülen inflamatuar değişiklikler çoğunlukla geçicidir ve skar bırak-maz. Uygun antibiyotik kullanımı skar oluşu-munu önlemede önemlidir [26].…”