Items tagged “kidney”
345 results found
Case
Hydronephrosis (bilateral)
Published
04 May 2009
59% complete
CT
Article
Persistent fetal lobulation of the kidneys
Persistent fetal lobulation is a normal variant seen occasionally in adult kidneys. It occurs when there is incomplete fusion of the developing renal lobules. Embryologically, the kidneys originate as distinct lobules that fuse as they develop and grow.
Radiographic features
It is often seen o...
Article
Calyceal crescent sign (intravenous pyelogram)
The calyceal crescent sign (of Dunbar and Nogrady) refers to the early intravenous pyelogram (IVP) appearance of markedly dilated renal calyces. It is formed by early contrast opacification of the dilated collecting ducts and ducts of Bellini with the characteristic shape as a result of the asso...
Case
Acute pyelonephritis
Published
25 Jul 2009
61% complete
CT
Case
Renal angiomyolipoma
Published
04 Aug 2009
89% complete
CT
Case
Medullary nephrocalcinosis
Published
04 Nov 2009
66% complete
X-ray
Case
Horseshoe kidney
Published
06 Nov 2009
45% complete
CT
Case
Unilateral renal agenesis
Published
06 Nov 2009
48% complete
CT
Article
Renal cell carcinoma
Renal cell carcinomas (RCC) (historically also known as hypernephroma or Grawitz tumor) are primary malignant adenocarcinomas derived from the renal tubular epithelium and are the most common malignant renal tumor. They usually occur in 50-70-year old patients and macroscopic hematuria occurs in...
Article
Renal agenesis
Renal agenesis refers to a congenital absence of one or both kidneys. If bilateral (traditionally known as the classic Potter syndrome) the condition is fatal, whereas if unilateral, patients can have a normal life expectancy.
Epidemiology
Unilateral renal agenesis affects approximately 1 in ...
Article
Robson staging system of renal cell carcinoma
Robson staging of renal cell carcinoma (RCC) is simple but has largely been replaced by the TNM system (see renal cell cancer staging article). Robson staging revolves around the relationship to Gerota's fascia, involvement of renal vein and regional nodes.
stage I: limited to kidney
stage II:...
Case
Hyperdense renal cyst
Published
08 Nov 2009
45% complete
CT
X-ray
Ultrasound
Case
Transitional cell carcinoma of the renal pelvis
Published
20 Nov 2009
75% complete
Fluoroscopy
Case
Angiomyolipoma with hemorrhage
Published
24 Dec 2009
89% complete
CT
Case
Wilms tumor
Published
09 Jan 2010
83% complete
CT
Case
Multicystic dysplastic kidneys (MCDK)
Published
09 Jan 2010
72% complete
Ultrasound
Case
Multicystic dysplastic kidneys
Published
09 Jan 2010
50% complete
Ultrasound
Article
Wilms tumor
Wilms tumor, also known as nephroblastoma, is a malignant pediatric renal tumor.
Epidemiology
Wilms tumors are the most common pediatric renal mass, accounting for over 85% of cases 1,8 and account for 7% of all childhood cancers 12. They typically occur in early childhood (1-11 years) with pe...
Article
Neuroblastoma vs Wilms tumor
Both neuroblastoma and Wilms tumor occur in early childhood and typically present as large abdominal masses closely related to the kidneys. Distinguishing between the two is important, and a number of features are helpful.
Neuroblastoma
calcification very common: 90%
encases vascular str...
Case
Renal angiomyolipoma
Published
18 Jan 2010
58% complete
Ultrasound
CT
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