Search Results - "Khaled El-Shahat"

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    Effect of pentoxifylline on the testicular hemodynamic, volume, testosterone, nitric oxide levels and semen quality in Ossimi rams during non breeding-season by Fadl, Aya M., El-Shahat, Khaled H., Hashem, Mohamed F.

    Published in Theriogenology (01-10-2023)
    “…During the non-breeding season, Ossimi rams have testicular regression, including reductions in blood flow, size and spermatogenesis. The objective was to…”
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    Journal Article
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    Approaches for Stereotactic Radiosurgery (SRS)/Stereotactic Radiotherapy (SRT) in brain metastases using different radiotherapy modalities (Feasibility study) by Tawfik, Zyad A, Farid, Mohamed El-Azab, El Shahat, Khaled M, Hussein, Ahmed A, Al Etreby, Mostafa

    Published in Journal of X-ray science and technology (01-01-2024)
    “…SRS and SRT are precise treatments for brain metastases, delivering high doses while minimizing doses to nearby organs. Modern linear accelerators enable the…”
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    Journal Article
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    The Impact of Dose Calculation Algorithm for SBRT Lung Cancer Radiotherapy Treatment by Ahmed Mostafa, Abdel Azim Hussein, Mohammed Galal, Khaled El Shahat

    Published in Iranian Journal of Medical Physics (01-09-2022)
    “…Introduction: The study aimed to provide the dose accuracy effects between the Anisotropic Analytical Algorithm (AAA) and the deterministic solver Acuros XB…”
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    Journal Article
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    Stereotactic Body Radiotherapy in Bulky Hepatocellular Carcinoma with or without Portal Vein Thrombosis: A Feasibility Review in an Egyptian Cohort by Mohamed Hegazy, Hany Attallah, Khaled El-Shahat, Emad Mostafa, Adel Yassin, Ibraheem Haggag, Talaat Fathy, Sameh Abdel Monem, Ahmed Abdelmoaty, Ahmed Bessar

    Published in Middle East journal of cancer (01-07-2024)
    “…Background: Hepatocellular carcinoma (HCC) complicated by portal vein thrombosis presents significant clinical challenges. This study aims to retrospectively…”
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    Journal Article
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    Verification of IMRT and RapidArc Localized Prostate Cancer Treatment Plans Using EPID and Delta4 in vivo Dosimetry Methods by Moustafa Ahmed, Naer Baker, Khaled El-Shahat, Mohamed Akl, Ahmed Shawata

    Published in Middle East journal of cancer (01-10-2021)
    “…Background: Quality assurance for intensity modulated radiation therapy (IMRT) depends on the type of dosimetry system and its evaluation procedure. We can…”
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    Journal Article
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    Influence of alpha linolenic acid on the motility, viability, antioxidant activity and fertility of frozen-thawed New Zealand white rabbit buck semen by Fadl, Aya Mohamed, El-Shahat, Khaled Hafez, Abdelnaby, Elshymaa Ahmed

    Published in World rabbit science (01-07-2022)
    “…Freezing and thawing processes result in production and accumulation of high concentrations of reactive oxygen species that are detrimental to spermatozoal…”
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    Influence of sugars and osmoregulators on motility and viability of cooled and frozen-thawed ram semen by El-Shahat, Khaled, Waheed, Magdi, Hasan Ali, Amal, Sallam, Abdel -Aziz, El-Saidy, Badr

    “…The aim of the study was to determine the effect of sugars and osmoregulators on the viability of frozen-thawed ram semen in a Tris-based diluent. Two…”
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    A dosimetric study comparing Cyberknife and LINAC-based stereotactic radiotherapy or radiosurgery treatments by Tawfik, Zyad A., Farid, Mohamed El-Azab, El Shahat, Khaled M., Hussein, Ahmed A., Eldib, Ahmed A., Al Etreby, Mostafa

    “…While Gamma Knife and CyberKnife are commonly used for Stereotactic radiosurgery (SRS), their availability is limited. In contrast, linac-based SRS using…”
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    Journal Article
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    Comparative Study between Measurement Data and Treatment Planning System (TPS) in Small Fields for High Energy Photon Beams by El Shahat, Khaled, El Saeid, Aziza, Attalla, Ehab, Yassin, Adel

    Published in ISRN oncology (2014)
    “…To achieve tumor control for radiotherapy, a dose distribution is planned which has a good chance of sterilizing all cancer cells without causing unacceptable…”
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    Journal Article
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    Efficacy of Intratesticular Glycerol Injection as Male Cat Contraception in Comparison with Two Surgical Approaches by Madbouly, Hager, Korany, Reda, El-Shahat, Khaled, Eissa, Hany, Fathi, Mohamed

    Published in Topics in companion animal medicine (01-03-2021)
    “…The objectives of the current study were to compare the use of a single bilateral intratesticular injection of 2 different volumes of glycerol 70% (0.5 and 1.0…”
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    Dosimetric Comparative Study between Single and Dual Isocenter Stereotactic Body Radiotherapy Plans in Treatment of Multiple Lesions Non-Small Cell Lung Cancer Patients by Mona Ibraheim, Magda Hanafy, Khaled El-Shahat, Mohammed Bayomy, Hany Attallah, Nesma khalil

    Published in Iranian Journal of Medical Physics (01-05-2023)
    “…Introduction: stereotactic body radiotherapy (SBRT) is the most proper treatment for multi lesions non-small cell lung cancer (NSCLC) for enhanced good…”
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    Journal Article
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    Use of Amorphous Silicon (ASi) Electronic Portal Imaging Devices for Other applications for Linear Accelerator Quality Assurance by Gena Mohamed, Khaled M. El-Shahat, Mahmoud Salem, Atef El-Taher

    Published in Iranian Journal of Medical Physics (01-07-2021)
    “…Introduction: The success of radiation therapy depends critically on the accuracy of patient alignment in treatment position day after day. The primary use for…”
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