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Evaluation of the protective effect of agmatine against cisplatin nephrotoxicity with 99mTc-DMSA renal scintigraphy and cystatin-C

Salihoglu Y.S. | Elri T. | Gulle K. | Can M. | Aras M. | Ozacmak H.S. | Cabuk M.

Article | 2016 | Renal Failure38 ( 9 ) , pp.1496 - 1502

Background: The aim of the current study was to investigate whether agmatine (AGM) has a protective effect against cisplatin-induced nephrotoxicity. Materials and methods: Thirty-two rats were randomly divided into four groups: (1) Saline (control); (2) Cisplatin (CDDP; 7.5 mg/kg intraperitoneally); (3) Agmatine (AGM; 10 mg/kg intraperitoneally); (4) Cisplatin plus agmatine (CDDP + AGM). Agmatine was given before and two consecutive days after cisplatin injection. All the animals underwent renal scintigraphy with 99mTc-DMSA. The levels of serum creatinine, cystatin C, and blood urea nitrogen (BUN) were measured in addition to examin . . .ation of the tissue samples with light microscopy. Acute renal injury was assessed with biochemical analyses, scintigraphic imaging, and histopathological evaluation. Results: In the cisplatin group, the levels of BUN, creatinine, and cystatin C were significantly higher than that of the controls. Histopathological examination showed remarkable damage of tubular and glomerular structures. Additionally, cisplatin caused markedly decreased renal 99mTc-DMSA uptake. AGM administration improved renal functions. Serum creatinine, BUN, and cystatin C levels had a tendency to normalize and, scintigraphic and histopathological findings showed significantly less evidence of renal toxicity than those observed in animals receiving cisplatin alone. Conclusions: Our data indicate that AGM has a protective effect against cisplatin-induced nephrotoxicity. Therefore, it may improve the therapeutic index of cisplatin. In addition, the early renal damage induced by cisplatin and protective effects of AGM against cisplatin nephrotoxicity was accurately demonstrated with 99mTc-DMSA renal scintigraphy. © 2016 Informa UK Limited, trading as Taylor & Francis Group Daha fazlası Daha az

Myocardial ischemia caused by a coronary anomaly - Left circumflex coronary artery arising from bight sinus of valsalva'

Aydin, M | Ozeren, A | Peksoy, I | Cabuk, M | Bilge, M | Dursun, A | Elbey, MA

Article | 2004 | TEXAS HEART INSTITUTE JOURNAL31 ( 3 ) , pp.273 - 275

We present the case of a patient in whom a previously undetected anomalous origin of the circumflex coronary artery caused myocardial ischemia and led to positive myocardial scintigraphic results, Subsequent coronary angiography showed that the left circumflex coronary artery arose from the right coronary ostium-an anomaly that has been associated with chest discomfort-without atherosclerotic lesions. The peripheral distribution of the left circumflex artery was normal. We describe the clinical and angiographic findings in our patient and discuss the relationship between coronary artery anomalies and ischemia.

Bilateral generalised synovial chondromatosis of the knee: Bone scintigraphic demonstration with radiologic correlation

Elri T. | Cabuk M. | Salihoglu Y.S. | Erdemir R.U. | Serifoglu I.

Review | 2016 | Indian Journal of Nuclear Medicine31 ( 3 ) , pp.242 - 243

A 67-year-old woman with a history of bilateral progressive knee pain and swelling was referred for 99mTc-methyl diphosphonate bone scintigraphy. Flow and blood pool images showed bilateral heterogeneous increased uptake and delayed phase revealed mass-looking lobulated heterogeneous increased activity in both of knees extending distal part of the femoral shaft, but no other pathologic uptake was found in rest of the body. A.diagnosis of synovial chondromatosis was made when correlated with X-ray and computed tomography.(CT) images. This is a rare presentation of generalized synovial chondromatosis involving both knees which demonst . . .rated on bone scintigraphy with X-ray and CT correlation. © 2016 Indian Journal of Nuclear Medicine | Published by Wolters Kluwer - Medknow Daha fazlası Daha az

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