Výsledky vyhledávání - "Behnoosh Teimourian"

Akademický článek

Introducing the GammaPen: All-in-One Gamma Probe for Sentinel Lymph Node Biopsy

Autor: Aram Radnia, Hamed Abdollahzadeh, Behnoosh Teimourian, Mohammad Hossein Farahani, Mohammadreza Ay

Publikováno v: Frontiers in Biomedical Technologies, Vol 8, Iss 2 (2021)

Purpose: Using an itra-operative gamma probe after injection of radiotracer during surgery helps the surgeon to identify the sentinel lymph node of regional metastasis through the detection of radiation. This work reports the design and specification

Externí odkaz: https://doaj.org/article/f7f9484b26af407a8c298455f138f9fa

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Akademický článek

Introducing a Dedicated Cardiac SPECT Imaging System: ProSPECT

Autor: Behnoosh Teimourian Fard, Kiarash Amirmozaffari Sabet, Mohmmadreza Ay

Publikováno v: Frontiers in Biomedical Technologies, Vol 6, Iss 3 (2019)

Purpose: Cardiac PSECT imaging is widely used for many clinical practices such as the diagnostic of coronary artery diseases (CAD) and myocardial perfusion imaging (MPI). In this work, we introduced the ProSPECT system, a dedicated cardiac SPECT syst

Externí odkaz: https://doaj.org/article/eee93593758241ee9374a02e9439419c

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Development of novel and low-cost readout electronics for large FOV gamma camera detector

Autor: Aram Radnia, Amirhossein Alikhani, Behnoosh Teimourian, Mahyar Youser Nejad, Mohammad Hossein Farahani, Fakhereh Pashaei, Arman Rahmim, Mohammad Reza Ay

Objective: Gamma cameras based on scintillation crystals play a crucial role in nuclear medicine. We designed a readout method for a large field-of-view (FOV) gamma detector, reducing N × M analog signals of photomultiplier tubes (PMTs) to N + M ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62c0ab74541c60bf5f338c87246f6ce7
https://doi.org/10.21203/rs.3.rs-2712772/v1

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Standard SPECT myocardial perfusion estimation from half-time acquisitions using deep convolutional residual neural networks

Autor: Kiarash AmirMozafari Sabet, Hossein Arabi, Behnoosh Teimourian, Habib Zaidi, Isaac Shiri, Mozhgan Pourkeshavarz, Mohammad Reza Ay

Publikováno v: Journal of Nuclear Cardiology, 28. SPRINGER
Journal of Nuclear Cardiology, Vol. 28, No 6 (2021) pp. 2761-2779
Shiri, I, AmirMozafari Sabet, K, Arabi, H, Pourkeshavarz, M, Teimourian, B, Ay, M R & Zaidi, H 2021, ' Standard SPECT myocardial perfusion estimation from half-time acquisitions using deep convolutional residual neural networks ', Journal of Nuclear Cardiology, vol. 28, no. 6, pp. 2761–2779 . https://doi.org/10.1007/s12350-020-02119-y

Introduction: The purpose of this work was to assess the feasibility of acquisition time reduction in MPI-SPECT imaging using deep leering techniques through two main approaches, namely reduction of the acquisition time per projection and reduction o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a896ca4359d5e8b09ade60c8ba16378
https://doi.org/10.1007/s12350-020-02119-y

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Akademický článek

Comparative assessment of the accuracy of maximum likelihood and correlated signal enhancement algorithm positioning methods in gamma camera with large square photomultiplier tubes.

Autor: Fard, Behnoosh Teimourian^1,2, Zafarghandi, Mojtaba Shamsaei¹ pysham@aut.ac.ir

Publikováno v: Iranian Journal of Nuclear Medicine. Jul2019, Vol. 27 Issue 2, p81-86. 6p.

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Akademický článek

An alternative mathematical modeling of the scintillation camera and framework for performance analysis of gamma-ray positioning algorithms.

Autor: Fard, Behnoosh Teimourian^1,2, Zafarghandi, Mojtaba Shamsaei¹, Hosseini, Soheil², Sabet, Hamid³, Ay, Mohammad Reza^2,4 mohammadreza_ay@sina.tums.ac.ir

Publikováno v: Iranian Journal of Nuclear Medicine. Jul2018, Vol. 26 Issue 2, p112-120. 9p.

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Development and characterization of an all-in-one gamma probe with auto-peak detection for sentinel lymph node biopsy based on NEMA NU3-2004 standard

Autor: Mohammad Esmaeil Akbari, Hamed Abdollahzadeh, Aram Radnia, Behnoosh Teimourian, Habib Zaidi, Mohammad Hossein Farahani, Mohammad Reza Ay

Publikováno v: Annals of Nuclear Medicine
Radnia, A, Abdollahzadeh, H, Teimourian, B, Farahani, M H, Akbari, M E, Zaidi, H & Ay, M R 2021, ' Development and characterization of an all-in-one gamma probe with auto-peak detection for sentinel lymph node biopsy based on NEMA NU3-2004 standard ', Annals of Nuclear Medicine, vol. 35, no. 4, pp. 438-446 . https://doi.org/10.1007/s12149-021-01581-z
ANNALS OF NUCLEAR MEDICINE. SPRINGER
Annals of Nuclear Medicine, Vol. 35, No 4 (2021) pp. 438-446

Background A gamma probe is a handheld device used for intraoperative interventions following interstitial injection of a radiotracer to locate regional lymph nodes through the external detection of radiation. This work reports on the design and perf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5317d965989cc5abb90436bf45d3c54
https://pubmed.ncbi.nlm.nih.gov/33469855

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Design and development of a dedicated portable gamma camera system for intra-operative imaging

Autor: Navid Zeraatkar, Salar Sajedi, Behnoosh Teimourian, Mohammad Hossein Farahani, Hamid Sabet, Sanaz Kaviani, Pardis Ghafarian, Nahid Gorjizadeh, A. Akbarzadeh, Mohammad Reza Ay

Publikováno v: Physica Medica. 32:889-897

Purpose We developed a high performance portable gamma camera platform dedicated to identification of sentinel lymph nodes (SLNs) and radio-guided surgery for cancer patients. In this work, we present the performance characteristics of SURGEOSIGHT-I,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f85818d43bd2c55724fa748322cf7308
https://doi.org/10.1016/j.ejmp.2016.06.004

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Performance evaluation of a newly developed high-resolution, dual-head animal SPECT system based on the NEMA NU1-2007 standard

Autor: Pardis Ghafarian, Behnoosh Teimourian, Saeed Sarkar, Mohammad Reza Ay, Vahideh Moji, Salar Sajedi, Navid Zeratkar, Mahmoud Reza Aghamiri, Mohammad Hossein Farahani

Publikováno v: Journal of Applied Clinical Medical Physics

Small‐animal single‐photon emission computed tomography (SPECT) system plays an important role in the field of drug development and investigation of potential drugs in the preclinical phase. The small‐animal High‐Resolution SPECT (HiReSPECT)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45e2951b42eaa7e36d53cfabed560685
https://doi.org/10.1120/jacmp.v15i6.4936

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A novel energy mapping approach for CT-based attenuation correction in PET

Autor: M. Shamsaie Zafarghandi, Hossein Ghadiri, Mohammad Reza Ay, Pardis Ghafarian, Habib Zaidi, Behnoosh Teimourian

Publikováno v: Medical Physics. 39:2078-2089

Purpose: Dual-energy CT (DECT) is arguably the most accurate energy mapping technique in CT-based attenuation correction (CTAC) implemented on hybrid PET/CT systems. However, this approach is not attractive for clinical use owing to increased patient

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3740cc7693ab9d4bf3e4e3490de4c2b6
https://doi.org/10.1118/1.3694108

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