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Drug
Enzyme
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Pivot Concepts:
Gene/Protein
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Drug
Enzyme
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Target Concepts:
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Query: UMLS:C0027627 (
metastases
)
103,950
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Germanium compounds are marketed as nonprescription drugs in Europe and are recommended by the suppliers for AIDS and
metastatic cancer
disease. We observed a patient with nonmetastatic breast cancer who died because of severe lactic acidosis (plasma lactate concentration = 27 mmol/l) after ingestion of 25 g of elemental germanium over a 2-months period. Renal failure and hepatotoxicity had newly developed during germanium intake. Postmortem examination revealed severe hydropic vacuolation of tubule cells and the presence of inclusion bodies predominantly in straight proximal tubule cells with normal appearance of renal interstitium and glomeruli. The liver showed panlobular steatosis. Urine, blood and tissue (kidney, liver, muscle, pancreas) levels of germanium were high. Lactic acidosis may have been caused by the combined, germanium-induced renal and hepatic failure (underutilization), but it remains to be seen whether germanium can affect lactate production and/or metabolism directly.
Nephron
1992
PMID:Abuse of germanium associated with fatal lactic acidosis. 143 51
Lupus anticoagulant was present in this case of paraneoplastic scleroderma revealed by hemolytic-uremic syndrome, suggesting that the autoantibody played a significant role in the sequence of events leading to anuria. Reviewing the literature we found several observations of paraneoplastic scleroderma, and in other series cases of scleroderma-linked (and in rare instances cancer-linked) antiphospholipid autoantibodies. Search for antiphospholipid antibodies should be considered in patients with systemic scleroderma as well as in patients with
metastatic cancer
. Presence of such procoagulant autoantibodies might predict future complications and should influence treatment strategy.
Nephron
1991
PMID:Hemolytic-uremic syndrome with anticardiolipin antibodies revealing paraneoplastic systemic scleroderma. 175 45
A questionnaire study was performed among 23,209 dialysis patients in 589 institutions together with a retrospective study at Keio University Hospital to determine the risk of malignancy and factors affecting the risk ratio in dialysis patients. The incidence and mortality were 1.4-fold and 1.9-fold higher in dialysis patients than the expected rates in the general population. Incidence and mortality were 1.9-fold and 2.6-fold higher in males than in females. The risk ratios were remarkably high in university hospitals, followed by public hospitals. However, there was no significant difference between those in private hospitals and in the general population. The incidence was very high during the first 6 months of dialysis treatment and rather low in the 7th-10th year. The risk ratio of malignancy was higher in younger patients. Beyond the age of 60, the influence of age was greater than that of renal failure. Malignancies of the digestive organs were frequent and constituted 56% of all malignancies. Frequencies of malignancy in the liver, colon, rectum, bladder and kidney were higher than expected, whereas in the pancreas the frequency was lower than expected.
Metastasis
of malignancy was observed in 30% of the cases. Our study demonstrated a slight to moderate overall increase in the risk of malignancy and a widely differing risk ratio of malignancy by organ involved, sex, age, hospital group, epidemiological index and length of dialysis treatment in a large single racial population of maintenance dialysis patients.
Nephron
1991
PMID:Incidence and mortality patterns of malignancy and factors affecting the risk of malignancy in dialysis patients. 176 1
Males on long-term dialysis tend to develop more severe forms of acquired cystic disease of the kidney than females. The severity of the disease is unaffected by therapeutic modality, either hemodialysis or CAPD, however, cystic transformation becomes less extensive after successful renal transplantation. The fundamental pathological change characteristic of acquired cystic disease is epithelial hyperplasia, with the uremic milieu and duration of uremia being the most important factors in its development. Renal cell carcinoma, the most important complication of acquired renal cystic disease, has a high prevalence and incidence, usually remains symptomless and sometimes reveals
metastases
. Therefore, many clinicians and investigators, but not all, accept the need for regular screening of all dialysis patients for the development of renal cell carcinoma. Major complications of acquired renal cystic disease, malignancy and retroperitoneal bleeding, will become increasingly important because of the growing number of patients on long-term dialysis.
Nephron
1991
PMID:Uremic acquired renal cystic disease. Natural history and complications. 189 90
Urinary excretion of alpha-glucosidase (AGL), gamma-glutamyltransferase (GGT) and ribonuclease (RNase), and serum amylase and immunoreactive trypsin (IRT) were determined in 38 control subjects, 48 patients with pancreatic cancer, 77 with chronic pancreatitis and 47 with extrapancreatic diseases in order to ascertain the presence of a renal tubular damage and to investigate its etiology. A significantly increased frequency of pathological results for all urinary enzymes was documented in the various groups of patients as compared to controls. Significant correlations were detected among AGL, GGT and RNase. Considering the subjects as a whole, GGT and RNase excretions correlated with serum IRT and amylase; the two urinary enzymes were found to be higher when jaundice was present. In chronic pancreatic disease enzymuria was related to increased serum pancreatic enzymes; in extrapancreatic diseases it was associated to hyperbilirubinemia. The vast majority of patients with pancreatic cancer and elevated urinary enzymes presented hepatic
metastases
and/or jaundice. We can conclude that an anatomical and functional tubular impairment is detectable in some patients with chronic pancreatic and extrapancreatic diseases. Tubular damage seems to least in part to be related to pancreatic inflammation and necrosis in chronic pancreatic disease, while jaundice may be found to play an important role in diseases of the hepatobiliary tract. In pancreatic cancer, liver dysfunction (presence of liver metastases and/or extrahepatic cholestasis) also appears to be involved in altering tubular cells.
Nephron
1989
PMID:Renal tubular dysfunction in pancreatic cancer and chronic pancreatitis. 256 74
We analyzed long-term, 2- to 9-year results and risk factors in 13 patients treated with dialysis and transplantation for hypernephroma. Eight were dialyzed only, 6 died, 4 of them from
metastatic disease
that occurred in less than 8 months in 3. Five patients were also transplanted. Three died, 1 of
metastatic disease
. Two are alive, 1 with
metastatic disease
, 6 years after transplant, 3 years after diagnosis of metastasis. There were no differences in age and sex in those with early
metastatic disease
when compared to those without, but stage III-IV disease and time of less than 5 years between first and second nephrectomy were more common in those with early
metastatic disease
. These data indicate that a 7-month waiting time on dialysis is enough to avoid transplanting those with early recurrence, and that patients with stage III-IV and early reappearance of tumor in the second kidney are best treated with conservative management rather than a second total nephrectomy.
Nephron
1986
PMID:Long-term results of dialysis and transplantation in patients with end-stage renal failure from hypernephroma. 353 5
The concept of surgical treatment of renal cell carcinoma was discussed by classifying the procedures into four categories: 1) radical nephrectomy; 2) nephron sparing surgery such as partial nephrectomy and enucleation for small renal cancer detected incidentally by ultrasonography and CT; 3) extended surgery for cases having IVC tumor thrombus or with invasion of neighboring organs; and 4) surgery for
metastatic disease
. Consequently, details of surgical procedure were not presented in this paper.
Nephron
sparing surgery and laparoscopy will be important steps in the future direction of surgery for renal cell carcinoma.
...
PMID:[Surgical treatment of renal cell carcinoma]. 829 11
Several renal cell carcinoma (RCC) prognostic factors show promise, including K1-67, p53/mdm-2, and vascular endothelial growth factor. The combination of increased incidence of RCC and diagnosis during earlier stages has generated interest in local therapeutic options.
Nephron
-sparing surgery and laparoscopic nephrectomy continue to gain support and may become the standard of care in select patients. Standard therapy for
metastatic disease
continues to be cytokine-based therapy with little benefit gained from adding granulocyte-macrophage-colony-stimulating factor, retinoic acid, or adoptive immunotherapy. The addition of chemotherapy, such as capecitabine, floxuridine, and vinblastine, may increase the effectiveness of immunotherapy; nonmyeloablative stem cell transplantation has shown early promise in
metastatic disease
.
...
PMID:Renal cell carcinoma. 1130 65
Renal cell carcinoma continues to be a difficult malignancy to treat because of its ability to spread asymptomatically and its inherent resistance to conventional chemotherapy. However, molecular genetic studies bring new insights into the pathogenesis of this disorder and may provide new targets against which novel chemotherapeutic agents could be developed.
Nephron
-sparing surgery is also gaining wider acceptance as favorable long-term, cancer-free survival data emerge from clinical trials. For
metastatic disease
, cytokine therapy continues to be the mainstay of treatment despite marginal efficacy and a significant side-effect profile.
...
PMID:Renal cell carcinoma. 1198 Dec 72
A 72-year-old non-diabetic uremic woman underwent right nephrectomy for urolithiasis at the age of 50. Because pyuria, fever, chilliness and left flank pain developed during preparing for arteriovenous fistula, she was admitted to National Cheng Kung University Hospital. Renal cell carcinoma (RCC) complicated with emphysematous pyelonephritis (EPN) was diagnosed and immediately treated with antibiotics and CT-guided percutaneous catheter drainage. Cultures of pus and blood yielded Escherichia coli. She received left radical nephrectomy later for the control of persistent sepsis and removal of left renal tumor. The pathology of the tumor was composed of a glandular arrangement of granular cells with the occasional atypism, and renal parenchyma had been totally replaced by RCC. The non-tumor part of the kidney showed chronic pyelonephritis. Five months later, multiple
metastases
developed. We reported this first uremic case with EPN and RCC, but without diabetes mellitus and urinary tract obstruction. The gas formation may be due to large RCC, which caused impaired tissue perfusion and E. coli infection.
Nephron
2002 Sep
PMID:Renal cell carcinoma complicated by emphysematous pyelonephritis in a non-diabetic patient with renal failure. 1218 10
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