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Atchar Sudhyadhom, PhD

Title(s)Assistant Professor, Radiation Oncology
SchoolSchool of Medicine
Phone415-353-9993
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Chan JW, Kearney V, Haaf S, Wu S, Bogdanov M, Reddick M, Dixit N, Sudhyadhom A, Chen J, Yom SS, Solberg TD. A convolutional neural network algorithm for automatic segmentation of head and neck organs at risk using deep lifelong learning. Med Phys. 2019 May; 46(5):2204-2213. PMID: 30887523.
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    2. Chen J, Morin O, Weethee B, Perez-Andujar A, Phillips J, Held M, Kearney V, Han DY, Cheung J, Chuang C, Valdes G, Sudhyadhom A, Solberg T. Optimizing beam models for dosimetric accuracy over a wide range of treatments. Phys Med. 2019 Feb; 58:47-53. PMID: 30824149.
      View in: PubMed
    3. Kearney V, Haaf S, Sudhyadhom A, Valdes G, Solberg TD. An unsupervised convolutional neural network-based algorithm for deformable image registration. Phys Med Biol. 2018 09 17; 63(18):185017. PMID: 30109996.
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    4. Kearney V, Descovich M, Sudhyadhom A, Cheung JP, McGuinness C, Solberg TD. A continuous arc delivery optimization algorithm for CyberKnife m6. Med Phys. 2018 Jun 01. PMID: 29855038.
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    5. Chapman CH, McGuinness C, Gottschalk AR, Yom SS, Garsa AA, Anwar M, Braunstein SE, Sudhyadhom A, Keall P, Descovich M. Influence of respiratory motion management technique on radiation pneumonitis risk with robotic stereotactic body radiation therapy. J Appl Clin Med Phys. 2018 Jul; 19(4):48-57. PMID: 29700954.
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    6. Sudhyadhom A. Determination of mean ionization potential using magnetic resonance imaging for the reduction of proton beam range uncertainties: theory and application. Phys Med Biol. 2017 Oct 27; 62(22):8521-8535. PMID: 29077570.
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    7. Paulsson AK, Yom SS, Anwar M, Pinnaduwage D, Sudhyadhom A, Gottschalk AR, Chang AJ, Descovich M. Respiration-Induced Intraorgan Deformation of the Liver. Technol Cancer Res Treat. 2017 Jan 01; 1533034616687193. PMID: 28071340.
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    8. Wahl M, Descovich M, Shugard E, Pinnaduwage D, Sudhyadhom A, Chang A, Roach M, Gottschalk A, Chen J. Interfraction Anatomical Variability Can Lead to Significantly Increased Rectal Dose for Patients Undergoing Stereotactic Body Radiotherapy for Prostate Cancer. Technol Cancer Res Treat. 2017 04; 16(2):178-187. PMID: 27199276.
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    9. Sudhyadhom A, Kirby N, Faddegon B, Chuang CF. Technical Note: Preferred dosimeter size and associated correction factors in commissioning high dose per pulse, flattening filter free x-ray beams. Med Phys. 2016 Mar; 43(3):1507-13. PMID: 26936734.
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    10. Kubicek L, Vanderhart D, Wirth K, An Q, Chang M, Farese J, Bova F, Sudhyadhom A, Kow K, Bacon NJ, Milner R. ASSOCIATION BETWEEN COMPUTED TOMOGRAPHIC CHARACTERISTICS AND FRACTURES FOLLOWING STEREOTACTIC RADIOSURGERY IN DOGS WITH APPENDICULAR OSTEOSARCOMA. Vet Radiol Ultrasound. 2016 May; 57(3):321-30. PMID: 26916056.
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    11. McGregor KM, Sudhyadhom A, Nocera J, Seff A, Crosson B, Butler AJ. Reliability of negative BOLD in ipsilateral sensorimotor areas during unimanual task activity. Brain Imaging Behav. 2015 Jun; 9(2):245-54. PMID: 24788334.
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    12. Cunha JA, Mellis K, Sethi R, Siauw T, Sudhyadhom A, Garg A, Goldberg K, Hsu IC, Pouliot J. Evaluation of PC-ISO for customized, 3D Printed, gynecologic 192-Ir HDR brachytherapy applicators. J Appl Clin Med Phys. 2015 Jan 08; 16(1):5168. PMID: 25679174.
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    13. Bohsali AA, Triplett W, Sudhyadhom A, Gullett JM, McGregor K, FitzGerald DB, Mareci T, White K, Crosson B. Broca's area - thalamic connectivity. Brain Lang. 2015 Feb; 141:80-8. PMID: 25555132.
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    14. Morita H, Hass CJ, Moro E, Sudhyadhom A, Kumar R, Okun MS. Pedunculopontine Nucleus Stimulation: Where are We Now and What Needs to be Done to Move the Field Forward? Front Neurol. 2014; 5:243. PMID: 25538673.
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    15. Benjamin ML, Towler S, Garcia A, Park H, Sudhyadhom A, Harnish S, McGregor KM, Zlatar Z, Reilly JJ, Rosenbek JC, Gonzalez Rothi LJ, Crosson B. A Behavioral Manipulation Engages Right Frontal Cortex During Aphasia Therapy. Neurorehabil Neural Repair. 2014 Jul; 28(6):545-53. PMID: 24407914.
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    16. McGregor KM, Nocera JR, Sudhyadhom A, Patten C, Manini TM, Kleim JA, Crosson B, Butler AJ. Effects of aerobic fitness on aging-related changes of interhemispheric inhibition and motor performance. Front Aging Neurosci. 2013; 5:66. PMID: 24198784.
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    17. Ford AA, Triplett W, Sudhyadhom A, Gullett J, McGregor K, Fitzgerald DB, Mareci T, White K, Crosson B. Broca's area and its striatal and thalamic connections: a diffusion-MRI tractography study. Front Neuroanat. 2013; 7:8. PMID: 23675324.
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    18. Sudhyadhom A, McGregor K, Okun MS, Foote KD, Trinastic J, Crosson B, Bova FJ. Delineation of motor and somatosensory thalamic subregions utilizing probabilistic diffusion tractography and electrophysiology. J Magn Reson Imaging. 2013 Mar; 37(3):600-9. PMID: 23060259.
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    19. Sudhyadhom A, Okun MS, Foote KD, Rahman M, Bova FJ. A Three-dimensional Deformable Brain Atlas for DBS Targeting. I. Methodology for Atlas Creation and Artifact Reduction. Open Neuroimag J. 2012; 6:92-8. PMID: 23091579.
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    20. McGregor KM, Carpenter H, Kleim E, Sudhyadhom A, White KD, Butler AJ, Kleim J, Crosson B. Motor map reliability and aging: a TMS/fMRI study. Exp Brain Res. 2012 May; 219(1):97-106. PMID: 22466408.
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    21. McGregor KM, Zlatar Z, Kleim E, Sudhyadhom A, Bauer A, Phan S, Seeds L, Ford A, Manini TM, White KD, Kleim J, Crosson B. Physical activity and neural correlates of aging: a combined TMS/fMRI study. Behav Brain Res. 2011 Sep 12; 222(1):158-68. PMID: 21440574.
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    22. Ullman M, Vedam-Mai V, Krock N, Sudhyadhom A, Foote KD, Yachnis AT, Merritt S, Resnick AS, Zeilman P, Okun MS. A pilot study of human brain tissue post-magnetic resonance imaging: information from the National Deep Brain Stimulation Brain Tissue Network (DBS-BTN). Neuroimage. 2011 Jan; 54 Suppl 1:S233-7. PMID: 20849960.
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    23. Haq IU, Foote KD, Goodman WK, Ricciuti N, Ward H, Sudhyadhom A, Jacobson CE, Siddiqui MS, Okun MS. A case of mania following deep brain stimulation for obsessive compulsive disorder. Stereotact Funct Neurosurg. 2010; 88(5):322-8. PMID: 20714212.
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    24. Haq IU, Foote KD, Goodman WG, Wu SS, Sudhyadhom A, Ricciuti N, Siddiqui MS, Bowers D, Jacobson CE, Ward H, Okun MS. Smile and laughter induction and intraoperative predictors of response to deep brain stimulation for obsessive-compulsive disorder. Neuroimage. 2011 Jan; 54 Suppl 1:S247-55. PMID: 20226259.
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    25. Sudhyadhom A, Haq IU, Foote KD, Okun MS, Bova FJ. A high resolution and high contrast MRI for differentiation of subcortical structures for DBS targeting: the Fast Gray Matter Acquisition T1 Inversion Recovery (FGATIR). Neuroimage. 2009 Aug; 47 Suppl 2:T44-52. PMID: 19362595.
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    26. Drago V, Foster PS, Okun MS, Cosentino FI, Conigliaro R, Haq I, Sudhyadhom A, Skidmore FM, Heilman KM. Turning off artistic ability: the influence of left DBS in art production. J Neurol Sci. 2009 Jun 15; 281(1-2):116-21. PMID: 19329128.
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    27. Drago V, Foster PS, Okun MS, Haq I, Sudhyadhom A, Skidmore FM, Heilman KM. Artistic creativity and DBS: a case report. J Neurol Sci. 2009 Jan 15; 276(1-2):138-42. PMID: 18945449.
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    28. Ellis TM, Foote KD, Fernandez HH, Sudhyadhom A, Rodriguez RL, Zeilman P, Jacobson CE, Okun MS. Reoperation for suboptimal outcomes after deep brain stimulation surgery. Neurosurgery. 2008 Oct; 63(4):754-60; discussion 760-1. PMID: 18981887.
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    29. Wang D, Sanchez J, Foote KD, Sudhyadhom A, Bhatti MT, Lewis S, Okun MS. Failed DBS for palliation of visual problems in a case of oculopalatal tremor. Parkinsonism Relat Disord. 2009 Jan; 15(1):71-3. PMID: 18395484.
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    30. Okun MS, Rodriguez RL, Foote KD, Sudhyadhom A, Bova F, Jacobson C, Bello B, Zeilman P, Fernandez HH. A case-based review of troubleshooting deep brain stimulator issues in movement and neuropsychiatric disorders. Parkinsonism Relat Disord. 2008 Nov; 14(7):532-8. PMID: 18325819.
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    31. Sudhyadhom A, Bova FJ, Foote KD, Rosado CA, Kirsch-Darrow L, Okun MS. Limbic, associative, and motor territories within the targets for deep brain stimulation: potential clinical implications. Curr Neurol Neurosci Rep. 2007 Jul; 7(4):278-89. PMID: 17618533.
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    32. Graff-Radford J, Foote KD, Rodriguez RL, Fernandez HH, Hauser RA, Sudhyadhom A, Rosado CA, Sanchez JC, Okun MS. Deep brain stimulation of the internal segment of the globus pallidus in delayed runaway dyskinesia. Arch Neurol. 2006 Aug; 63(8):1181-4. PMID: 16908749.
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    33. Sudhyadhom A, Micha DA. Bonding and excitation in COCu(001) from a cluster model and density functional treatments. J Chem Phys. 2006 Mar 14; 124(10):101102. PMID: 16542061.
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