Diagnostic value of strain elastography for differentiation between renal cell carcinoma and transitional cell carcinoma of kidney

İnci, Mehmet Fatih; Kalaycı, Tuğçe Özlem; Tan, Sinan; Karasu, Şebnem; Albayrak, Eda; Çakır, Volkan; Ocal, Irfan; Özkan, Fuat

doi:10.1007/s00261-016-0658-2

Cited by 12 publications

(18 citation statements)

References 40 publications

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“…[7] Basic assumption of SE is that soft tissues can be more deformable than hard ones which can be displayed on US as a colour map overlaid to the grey scale image. [8] The resultant strain ratio (SR) represents the ratio of stiffness of the target and normal tissues. Studies reported that objectively measured tissue stiffness by SE may be used as a diagnostic marker in clinical practice for the differentiation between benign and malignant tissues in various organs.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the diagnostic efficacy of strain elastography in infertile population with normal and abnormal semen parameters

Küçükdurmaz

Sarıca

Emre

et al. 2017

Turkish Journal of Urology

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Objective: The aim of the present study was to investigate the diagnostic value of strain elastography (SE) of testicular tissues in infertile population. We also evaluated the correlation between SE results with semen parameters and hormone profiles of the patients. Material and methods:A total of 61 patients and 122 testes were evaluated. Patients who were evaluated in an andrology outpatient clinic with the diagnosis of infertility and referred to radiology department for investigation of reproductive organs between June 2015 and January 2016 were included. Patients were divided into two groups according to semen analyses results as normal (Group 1) and abnormal (Group 2). Hormone profiles, semen analyses, B-mode, coloured Doppler ultrasonography and sonoelastography examinations were performed for each patient. Measurements of testicular volumes, resistive indices (RI) in intraparenchymal arteries, strain, strain ratio (SR) and presence of varicocele were recorded.Results: Mean age of participants was 33.7±6.3 years. Mean testicular volumes (Group 1, 19.41±4.8 mL, and Group 2, 17.64±3.62 mL) were significantly different between groups (p= 0.023). Mean SRs were also different between Groups 1 and 2 (0.12±0.08 vs. 0.22±0.18, p<0.001). Testicular volumes were directly proportional with SRs in Group 1. Strain values had inverse relationship with sperm concentration and total motile sperm counts in Group 2 (p= 0.01). SRs were found to be positively correlated with RI and sperm morphology in Group 2 (p<0.05). Although FSH values showed significant difference among groups, any correlation between FSH and elastographic parameters could not be displayed. Conclusion:Strain elastography results were found to be significantly different in patients with abnormal sperm counts. This technique may provide promising results, however, further large scale studies may help to clarify the value of this imaging modality in the assessment of male infertility.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the diagnostic efficacy of strain elastography in infertile population with normal and abnormal semen parameters

Küçükdurmaz

Sarıca

Emre

et al. 2017

Turkish Journal of Urology

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“…Görüntüleme alanı renal sinüs ve parankim aynı kesitte olacak şekilde alınır. Böbreğe prob ile aksiyel planda dik olarak kısa aralıklarla ritmik olarak kompresyon ve dekompresyon uygulanır (5). Uygulanan kompresyon ve dekompresyonun süre ve miktar olarak en uygun şekli yazılımsal olarak ekranın sol alt köşesinde gösterilen kompresyon-zaman skalası ile belirlenir.…”

Section: Elastografi Uygulamalarıunclassified

“…Uygulanan kompresyon ve dekompresyonun süre ve miktar olarak en uygun şekli yazılımsal olarak ekranın sol alt köşesinde gösterilen kompresyon-zaman skalası ile belirlenir. Değerlendirilen bölgenin gri-skala ve elastogram verileri ekran üzerinde eş zamanlı olarak yan yana iki ayrı pencerede izlenebilir (5,9). Elde edilen dinamik ve statik görüntüler dijital ortamda kaydedilir.…”

Section: Elastografi Uygulamalarıunclassified

“…Ultrasonografik elastografi, dokuların elastikliğini değerlendiren ve lezyonların karakterizasyonunu artıran yardımcı bir ultrason teknolojisidir (5). Elastografi ölçümü sonucu elde edilen değerler elle palpasyon verilerine benzer, ancak duyarlılığı daha yüksektir ve daha az öznel bir yöntemdir.…”

Section: Elastografi Tekniğiunclassified

“…Elastografi ölçümü sonucu elde edilen değerler elle palpasyon verilerine benzer, ancak duyarlılığı daha yüksektir ve daha az öznel bir yöntemdir. Elastisite; bir dokuya dışarıdan bir güç uygulandığında deforme olabilme ve dış güç ortadan kaldırıldığında ise tekrar orijinal şekline gelebilme yeteneğidir (4,5). Dokunun deforme olması o dokunun sertliği ve yumuşaklığı ile ilişkilidir.…”

Section: Elastografi Tekniğiunclassified

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Diagnostic value of strain elastography for differentiation between renal cell carcinoma and transitional cell carcinoma of kidney

Abstract: Strain elastography can be used as a valuable imaging technique for preoperative differentiation between RCC and TCC of kidney.

Cited by 12 publications

References 40 publications

Evaluation of the diagnostic efficacy of strain elastography in infertile population with normal and abnormal semen parameters

Evaluation of the diagnostic efficacy of strain elastography in infertile population with normal and abnormal semen parameters

Elastography Usage in Renal Patients

Development of a mechanically matched silk scaffolded 3D clear cell renal cell carcinoma model

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