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At least 649 records · Page 36Linked to original sources
PubMed2004

[Imaging in urinary tract infections in adults].

Uncomplicated infection of the urinary tract is frequent and usually resolves rapidly with treatment and imaging is unnecessary. Progression to complex infection often occurs in patients with predisposing factors. Imaging assists in evaluating the extent of disease, plays a role in directing therapy and guides interventional procedures if necessary. This pictorial essay reviews the role of imaging and intervention in infections of the urinary tract.

Abscess↗
PubMed2000

A new cause of curvilinear renal calcification: calcified hydrocalycosis.

Although many causes of curvilinear renal calcifications have been described, calcified hydrocalycosis mimicking hydatid cyst has not previously been reported. We report a case of hydrocalycosis which was appeared as a curvilinear calcified cystic lesion resulted from staghorn calculus associated with xanthogranolomatous pyelonephritis (XGPN) on intravenous pyelography (IVU) and computed tomography (CT).

Contrast Media↗
PubMed1997

Advances in the imaging of renal infection. Helical CT and modern coordinated imaging.

Traditionally, imaging of renal infections was largely through a multimodality approach. Excretory urography, ultrasonography, nuclear scintigraphy, and CT all played major roles; however, in recent years, CT has increased in prominence in the imaging and evaluation of renal infection. Part of the reason for this trend includes improvements in the availability of CT scanners and more timely access to them. Helical scanning technology has also greatly increased the quality and usefulness of the information CT provides. Most uncomplicated cases of acute renal infection in adults do not require imaging for diagnosis and treatment. When imaging is indicated, however, contrast-enhanced CT almost always is the study of choice. For cases in which renal calculi may be present, the study should also include noncontrast images through the kidneys.

Abscess↗
PubMed2005

Replacement kidney lipomatosis after renal transplantation.

Renal sinus lipomatosis consists of abnormal fatty proliferation of the renal sinus, hilus, and perirenal spaces. Its pathogenesis is unknown, although it is generally associated with aging, renal atrophy, and long-standing chronic inflammation or urinary tract infection. Although this condition is rare, it may be important to recognize it in renal transplant recipients. We describe three cases of replacement kidney lipomatosis that occurred after cadaveric renal transplantation and discuss the possible differential diagnosis of this condition.

Adult↗
PubMed1989

Absence of peripheral-type benzodiazepine binding sites in renal carcinoma: a potential biochemical marker.

In an attempt to identify a tumour marker, we investigated peripheral-type benzodiazepine binding sites (PBS) in kidney specimens obtained from patients who underwent nephrectomy due to a renal mass. [3H]PK 11195, an isoquinoline carboxamide derivative, was used as a ligand. Binding assays were conducted on samples of membrane homogenate taken from both the healthy portion and the tumour site of the kidney. It was found that binding characteristics of benign tumours and normal kidney tissues were not significantly different, i.e. equilibrium dissociation constants of 2.20 +/- 0.73 and 2.38 +/- 0.98 nM, respectively, and maximal number of binding sites of 3190 +/- 1081 and 4189 +/- 998 fmol/mg protein, respectively. In contrast, no PBS were detectable in renal carcinoma. The absence of PBS in malignant renal tissues may serve as a biochemical marker for tumours of the kidney.

Adenoma↗