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Query: UMLS:C0034186 (pyelonephritis)
 6,144 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The authors report a case of xanthogranulomatous pyelonephritis presenting with nephrocutaneous fistula. This case illustrates all of the typical features of this disease: late diagnosis, non-functioning affected kidney, staghorn calculi, urinary tract anomaly, perinephritis with fistulization. The authors review the diagnostic and therapeutic modalities of xanthogranulomatous pyelonephritis and discuss the other aetiologies of nephrocutaneous fistula. In view of the severity of this disease and its preoperative resemblance to renal cancer, nephrectomy is often the only available treatment option.
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PMID:[Xanthrogranulomatous pyelonephritis with nephrocutaneous fistula]. 1276 65

Metalloproteinases (MMP) and their tissue inhibitors (TIMP) play a crucial role to keep the balance between the synthesis and degradation of extracellular matrix protein. Balance disturbances of those two systems lead to abnormal tissue remodeling. There is evidence that matrix metalloproteinases activity changes in many pathological conditions, including inflammatory, degenerative disorders as well as tumor progression. Recent investigations indicate that MMPs and TIMPs play a pivotal role in pathogenesis of most of kidney diseases. Studies describing dysregulated activity of MMPs and/or their tissue inhibitors in various experimental and clinical models of kidney disease, including chronic kidney disease, glomerulonephritis, pyelonephritis, diabetic and hypertensive nephropathy, polycystic kidney disease and renal cancer are reviewed.
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PMID:[Role of matrix metalloproteinases (MMP) and their tissue inhibitors (TIMP) in nephrology]. 2103 7

Transmembrane protein 174 (TMEM174) mRNA is easily detectable in human kidney tissues and activates AP-1 and promotes 293T cell proliferation. In the present study, RNA in situ hybridization was used to detect TMEM174 gene expression in various malignant renal cancer and normal renal tissues. The results showed that TMEM174 exhibits differential expression in renal tissues, with a high positive rate of expression in squamous cell carcinoma with necrosis, papillary renal cell carcinoma and transitional cell carcinoma, and a low positive rate of expression in clear cell carcinoma, interstitial nephritis, undifferentiated carcinoma, retroperitoneal metastatic clear cell carcinoma, adrenal gland metastatic clear cell carcinoma, pelvic cavity metastatic chromophobe carcinoma, severe atypical hyperplasia of transitional epithelium and hyperplasia. Extremely weak expression was exhibited in collecting duct carcinoma, Wilms' tumor, chronic pyelonephritis, acute pyelonephritis, cancer adjacent normal renal tissue and normal renal tissue. In conclusion, the TMEM174 gene exhibited high expression levels in certain renal carcinomas, which may indicate that TMEM174 may have a significant role in the development and progression of these renal carcinomas.
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PMID:Analysis of TMEM174 gene expression in various renal cancer types by RNA in situ hybridization. 2520 93

We report two cases of bacteremia with Actinobaculum schaalii, a rarely reported, anaerobic, Gram-positive bacterium. The first case was a patient with renal cancer who developed pyelonephritis after cryoablation, and the second was a patient who developed sepsis after a urogenital procedure. Bacteremia resolved after administration of empiric antibiotic therapy.
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PMID:Actinobaculum schaalii bacteremia: A report of two cases. 2588 98

We here report the case of a 55 year-old man presenting with right renal colic and with a history of intermittent lower back disorders. At the time of admission, clinical examination showed lower back pain on contact. Renal ultrasound objectified heterogeneous mass at the lower pole of the right kidney with dilation of lower calyx groups. Abdominal CT scan confirmed the presence of right inferior renal polar lesion characterized by mixed density, associated with significant hydronephrosis eroding the renal parenchyma upstream of a voluminous pyelic coralliform lithiasis. The patient underwent nephrectomy with anatomo-pathological examination revealing chronic inflammation of the renal parenchyma characterized by macrophages associated with monocytes and lymphocytes with spongy cells and fibrosis. Anatomo-pathological result was compatible with a diagnosis of xanthogranulomatous pyelonephritis. Xanthogranulomatous pyelonephritis is a relatively rare chronic pyelonephritis whose symptoms resemble those of a pseudotumor. The diagnosis is suspected on the basis of clinical arguments and on laboratory tests and may be evoked quite exclusively on the basis of preoperative CT scan. Kidney cancer was its main differential diagnosis.
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PMID:[Renal tumor or pseudotumoral xanthogranulomatous pyelonephritis]. 2987 48

Staghorn, struvite or coral calculus are the ones that completely or partially occupies the renal pelvis and branches to the renal calices. The presence of renal calculi of any kind in the urinary tracts is related to the appearing of malign tumor in the kidneys, especially in the absence or failed treatment. A male patient, 51 years old, native of Manaus, reports about dysuria and polyuria associated with constant fever episodes and urinary tract infections with improvement by using several antibiotics but returning the symptoms after suspending it. The patient return was in a month and no improvement of the pain in the patient's feeling, with the tomography image tests result showing atrophy in the right kidney, which presents dilatation of the collector system, that it's filled with material with density varying between thick liquid and soft parts (average of 45 UH), in addition to calculus in the pelvis and ureteropelvic junction, suggesting a pattern for xanthogranulomatous pyelonephritis and matching previous history of right staghorn calculus. The association between kidney cancer and staghorn calculus should be consider through the treatment. Patients with renal diseases of severe prognosis in both kidneys must be kept under constant surveillance by the urology and nephrology team, the association of both clinics is essential to a fortunate ending like the case reported.
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PMID:Surgical treatment of kidney tumor on a patient with second case of staghorn calculus and associated renal hydronephrosis: case report. 3138 May 3


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