Andrew S Lim, MD

Title(s)Assistant Professor of Clinical Radiation Oncology
SchoolKeck School of Medicine of Usc
Address1441 Eastlake Ave.
Health Sciences Campus
Los Angeles CA 90033
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    Other Positions
    Title(s)Director of Brachytherapy


    Collapse Biography 
    Collapse Education and Training
    Western University, London, OntarioMD06/2013Medicine
    University of Alberta, Edmonton, AlbertaFRCPC06/2020Radiation Oncology
    University of California, Los Angeles, Los Angeles06/2021Brachytherapy
    Collapse Awards and Honors
    University of Alberta2019  - 2020The RJS and Ada Maude Wright Memorial Prize in Radiation Oncology
    St. Francis Xavier University2008  - 2009Yogi Joshi Prize For Excellence in Physics
    St. Francis Xavier University2008  - 2009Natural Sciences and Engineering Research Council of Canada Award

    Collapse Overview 
    Collapse Overview
    Andrew Lim, MD, is a radiation oncologist at USC Norris Comprehensive Cancer Center, part of Keck Medicine of USC, who specializes in today’s most advanced forms of radiation therapy, including interstitial and surface brachytherapy, volumetric modulated arc therapy and stereotactic body radiation therapy.

    At USC Norris, he serves as director of brachytherapy, a form of internal radiation therapy in which the radiation source is placed close to the cancer. Dr. Lim routinely treats prostate cancer, gynecologic cancers, sarcomas, skin cancer and metastatic cancers anywhere in the body.

    His research interests focus on the development of artificial intelligence (AI) algorithms capable of integrating clinical, biochemical, genomics and radiologic data, with a goal of making personalized, probabilistic medical predictions. Dr. Lim has received several awards for his outstanding research and cancer care.

    Away from work, he enjoys creating software tools that help people save time.

    Collapse Bibliographic 
    Collapse Publications
    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. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Dosimetric characterization for GRID collimator-based spatially fractionated radiation therapy: Dosimetric parameter acquisition and machine interchangeability investigation. J Appl Clin Med Phys. 2024 Aug; 25(8):e14410. Xu Z, Balik S, Woods K, Shen Z, Cheng C, Cui J, Gallogly H, Chang E, Lukas L, Lim A, Natsuaki Y, Ye J, Ma L, Zhang H. PMID: 38810092; PMCID: PMC11302805.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    2. Dosimetric Validation for Prospective Clinical Trial of GRID Collimator-Based Spatially Fractionated Radiation Therapy: Dose Metrics Consistency and Heterogeneous Pattern Reproducibility. Int J Radiat Oncol Biol Phys. 2024 Feb 01; 118(2):565-573. Zhang H, Ma L, Lim A, Ye J, Lukas L, Li H, Mayr NA, Chang EL. PMID: 37660738.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    3. Sex differences in associations between APOE ε2 and longitudinal cognitive decline. Alzheimers Dement. 2023 10; 19(10):4651-4661. Wood ME, Xiong LY, Wong YY, Buckley RF, Swardfager W, Masellis M, Lim ASP, Nichols E, Joie R, Casaletto KB, Kumar RG, Dams-O'Connor K, Palta P, George KM, Satizabal CL, Barnes LL, Schneider JA, Binet AP, Villeneuve S, Pa J, Brickman AM, Black SE, Rabin JS, ADNI and Prevent-AD Research Groups. PMID: 36994910; PMCID: PMC10544702.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    4. Investigating changes in cognition associated with the use of CPAP in cognitive impairment and dementia: A retrospective study. Sleep Med. 2023 01; 101:437-444. Costa YS, Lim ASP, Thorpe KE, Colelli DR, Mitchell S, Masellis M, Lam B, Black SE, Boulos MI. PMID: 36516600.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    5. Fragmentation of rest periods, astrocyte activation, and cognitive decline in older adults with and without Alzheimer's disease. Alzheimers Dement. 2023 05; 19(5):1888-1900. Wu R, Tripathy S, Menon V, Yu L, Buchman AS, Bennett DA, De Jager PL, Lim ASP. PMID: 36335579; PMCID: PMC10697074.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    6. Protocol for SYNchronising Exercises, Remedies in GaIt and Cognition at Home (SYNERGIC@Home): feasibility of a home-based double-blind randomised controlled trial to improve gait and cognition in individuals at risk for dementia. BMJ Open. 2022 03 31; 12(3):e059988. McGibbon C, Jarrett P, Handrigan G, Bouchard D, Tranchant CC, Sexton AM, Yetman L, Robinson B, Crapoulet S, Chamard-Witkowski L, Liu-Ambrose T, Middleton LE, Almeida QJ, Bherer L, Lim A, Speechley M, Kamkar N, Montero Odasso M, Canadian Consortium on Neurodegeneration in Aging (CCNA), CAN-THUMBS UP Group. PMID: 35361653; PMCID: PMC8971768.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCTClinical Trials
    7. Utility of machine learning of apparent diffusion coefficient (ADC) and T2-weighted (T2W) radiomic features in PI-RADS version 2.1 category 3 lesions to predict prostate cancer diagnosis. Abdom Radiol (NY). 2021 12; 46(12):5647-5658. Lim CS, Abreu-Gomez J, Thornhill R, James N, Al Kindi A, Lim AS, Schieda N. PMID: 34467426.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    8. Disrupted Rest-Activity Rhythms and Cerebral Small Vessel Disease Pathology in Older Adults. Stroke. 2021 07; 52(7):2427-2431. Sommer R, Yu L, Schneider JA, Bennett DA, Buchman AS, Lim ASP. PMID: 33902300; PMCID: PMC8790726.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    9. MRI-visible perivascular space volumes, sleep duration and daytime dysfunction in adults with cerebrovascular disease. Sleep Med. 2021 07; 83:83-88. Ramirez J, Holmes MF, Berezuk C, Kwan D, Tan B, Beaton D, Scott CJM, Ozzoude M, Gao F, Yu D, Swardfager W, Lawrence-Dewar J, Dowlatshahi D, Saposnik G, Boulos MI, Murray BJ, Symons S, Bartha R, Black SE, Swartz RH, ONDRI Investigators, Lim A. PMID: 33991894.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansAnimals
    10. A Novel Composite Biomarker Panel For Detection Of Early Stage Non-small Cell Lung Cancer. Clin Invest Med. 2021 03 21; 44(1):E15-24. Bedard ELR, Abraham AG, Joy AA, Ghosh S, Wang X, Lim A, Shao D, Loebenberg R, Roa WH. PMID: 33743572.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    11. Feasibility of unattended home sleep apnea testing in a cognitively impaired clinic population. J Clin Sleep Med. 2021 03 01; 17(3):435-444. Colelli DR, Black SE, Masellis M, Lam B, Lim ASP, Boulos MI. PMID: 33094723; PMCID: PMC7927336.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    12. Diurnal and seasonal molecular rhythms in the human brain and their relation to Alzheimer disease. Handb Clin Neurol. 2021; 179:271-284. Lim ASP. PMID: 34225968.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    13. CCCDTD5 recommendations on early non cognitive markers of dementia: A Canadian consensus. Alzheimers Dement (N Y). 2020; 6(1):e12068. Montero-Odasso M, Pieruccini-Faria F, Ismail Z, Li K, Lim A, Phillips N, Kamkar N, Sarquis-Adamson Y, Speechley M, Theou O, Verghese J, Wallace L, Camicioli R. PMID: 33094146; PMCID: PMC7568425.
      View in: PubMed   Mentions: 26  
    14. Sleep Fragmentation and Cognitive Trajectories After Critical Illness. Chest. 2021 01; 159(1):366-381. Wilcox ME, McAndrews MP, Van J, Jackson JC, Pinto R, Black SE, Lim AS, Friedrich JO, Rubenfeld GD. PMID: 32717265.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    15. Phyllodes Tumors-The Predictors and Detection of Recurrence. Can Assoc Radiol J. 2021 May; 72(2):251-257. Lim RS, Cordeiro E, Lau J, Lim A, Roberts A, Seely J. PMID: 32090614.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    16. Sleep fragmentation, microglial aging, and cognitive impairment in adults with and without Alzheimer's dementia. Sci Adv. 2019 12; 5(12):eaax7331. Kaneshwaran K, Olah M, Tasaki S, Yu L, Bradshaw EM, Schneider JA, Buchman AS, Bennett DA, De Jager PL, Lim ASP. PMID: 31844665; PMCID: PMC6905859.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansCells
    17. Seasonal plasticity of cognition and related biological measures in adults with and without Alzheimer disease: Analysis of multiple cohorts. PLoS Med. 2018 09; 15(9):e1002647. Lim ASP, Gaiteri C, Yu L, Sohail S, Swardfager W, Tasaki S, Schneider JA, Paquet C, Stuss DT, Masellis M, Black SE, Hugon J, Buchman AS, Barnes LL, Bennett DA, De Jager PL. PMID: 30180184; PMCID: PMC6122787.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    18. Actigraphy Detects Greater Intra-Individual Variability During Gait in Non-Manifesting LRRK2 Mutation Carriers. J Parkinsons Dis. 2018; 8(1):131-139. van den Heuvel L, Lim AS, Visanji NP, Huang J, Ghate T, Mestre TA, AlDakheel A, Connolly BS, Gasca-Salas C, Kern DS, Jain J, Slow EJ, Pondal M, Faust-Socher A, Rogaeva E, Tomlinson G, Lang AE, Marras C. PMID: 29480219.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    19. Sleep fragmentation and Parkinson's disease pathology in older adults without Parkinson's disease. Mov Disord. 2017 Dec; 32(12):1729-1737. Sohail S, Yu L, Schneider JA, Bennett DA, Buchman AS, Lim ASP. PMID: 29082554; PMCID: PMC5778902.
      View in: PubMed   Mentions: 34     Fields:    Translation:HumansCells
    20. A study protocol for an observational cohort investigating COGnitive outcomes and WELLness in survivors of critical illness: the COGWELL study. BMJ Open. 2017 Jul 13; 7(7):e015600. Wilcox ME, Lim AS, McAndrews MP, Wennberg RA, Pinto RL, Black SE, Walczak KD, Friedrich JO, Taglione MS, Rubenfeld GD. PMID: 28710215; PMCID: PMC5734403.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    21. Restless legs syndrome after high-risk TIA and minor stroke: association with reduced quality of life. Sleep Med. 2017 Sep; 37:135-140. Boulos MI, Wan A, Black SE, Lim AS, Swartz RH, Murray BJ. PMID: 28899525.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    22. Reply to: "Periodic Limb Movements During Sleep and White Matter MRI Hyperintensity in Minor Stroke or TIA". Sleep. 2017 05 01; 40(5). Boulos MI, Muir RT, Gao F, Lim AS, Swartz RH, Black SE, Walters AS, Murray BJ. PMID: 28510763; PMCID: PMC5806546.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    23. Diurnal and seasonal molecular rhythms in human neocortex and their relation to Alzheimer's disease. Nat Commun. 2017 04 03; 8:14931. Lim AS, Klein HU, Yu L, Chibnik LB, Ali S, Xu J, Bennett DA, De Jager PL. PMID: 28368004; PMCID: PMC5382268.
      View in: PubMed   Mentions: 29     Fields:    Translation:HumansCells
    24. Validation of a smartphone-based EEG among people with epilepsy: A prospective study. Sci Rep. 2017 04 03; 7:45567. McKenzie ED, Lim AS, Leung EC, Cole AJ, Lam AD, Eloyan A, Nirola DK, Tshering L, Thibert R, Garcia RZ, Bui E, Deki S, Lee L, Clark SJ, Cohen JM, Mantia J, Brizzi KT, Sorets TR, Wahlster S, Borzello M, Stopczynski A, Cash SS, Mateen FJ. PMID: 28367974; PMCID: PMC5377373.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    25. Periodic Limb Movements and White Matter Hyperintensities in First-Ever Minor Stroke or High-Risk Transient Ischemic Attack. Sleep. 2017 03 01; 40(3). Boulos MI, Murray BJ, Muir RT, Gao F, Szilagyi GM, Huroy M, Kiss A, Walters AS, Black SE, Lim AS, Swartz RH. PMID: 28329254; PMCID: PMC5806569.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    26. Incident parkinsonism in older adults without Parkinson disease. Neurology. 2016 Sep 06; 87(10):1036-44. Buchman AS, Leurgans SE, Yu L, Wilson RS, Lim AS, James BD, Shulman JM, Bennett DA. PMID: 27488597; PMCID: PMC5027813.
      View in: PubMed   Mentions: 41     Fields:    Translation:Humans
    27. Response to Letter Regarding Article, "Sleep Fragmentation, Cerebral Arteriolosclerosis, and Brain Infarct Pathology in Community-Dwelling Older People". Stroke. 2016 06; 47(6):e175. Lim AS, Bennett DA, Buchman AS. PMID: 27118794; PMCID: PMC4959830.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    28. Sleep Fragmentation, Cerebral Arteriolosclerosis, and Brain Infarct Pathology in Community-Dwelling Older People. Stroke. 2016 Feb; 47(2):516-8. Lim AS, Yu L, Schneider JA, Bennett DA, Buchman AS. PMID: 26768207; PMCID: PMC4780848.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    29. Regional Neocortical Gray Matter Structure and Sleep Fragmentation in Older Adults. Sleep. 2016 Jan 01; 39(1):227-35. Lim AS, Fleischman DA, Dawe RJ, Yu L, Arfanakis K, Buchman AS, Bennett DA. PMID: 26350471; PMCID: PMC4678338.
      View in: PubMed   Mentions: 41     Fields:    Translation:Humans
    30. The effect of melatonin on sleep and quality of life in patients with advanced breast cancer. Support Care Cancer. 2016 Mar; 24(3):1097-105. Innominato PF, Lim AS, Palesh O, Clemons M, Trudeau M, Eisen A, Wang C, Kiss A, Pritchard KI, Bjarnason GA. PMID: 26260726.
      View in: PubMed   Mentions: 54     Fields:    Translation:HumansCTClinical Trials
    31. Irregular 24-hour activity rhythms and the metabolic syndrome in older adults. Chronobiol Int. 2015; 32(6):802-13. Sohail S, Yu L, Bennett DA, Buchman AS, Lim AS. PMID: 26061588; PMCID: PMC4542004.
      View in: PubMed   Mentions: 58     Fields:    Translation:Humans
    32. 24-hour rhythms of DNA methylation and their relation with rhythms of RNA expression in the human dorsolateral prefrontal cortex. PLoS Genet. 2014 Nov; 10(11):e1004792. Lim AS, Srivastava GP, Yu L, Chibnik LB, Xu J, Buchman AS, Schneider JA, Myers AJ, Bennett DA, De Jager PL. PMID: 25375876; PMCID: PMC4222754.
      View in: PubMed   Mentions: 42     Fields:    Translation:HumansAnimalsCells
    33. Stereotactic ablative body radiation therapy for primary kidney cancer: a 3-dimensional conformal technique associated with low rates of early toxicity. Int J Radiat Oncol Biol Phys. 2014 Dec 01; 90(5):1061-8. Pham D, Thompson A, Kron T, Foroudi F, Kolsky MS, Devereux T, Lim A, Siva S. PMID: 25442039.
      View in: PubMed   Mentions: 25     Fields:    Translation:HumansCTClinical Trials
    34. Predicting C282Y homozygote genotype for hemochromatosis using serum ferritin and transferrin saturation values from 44,809 participants of the HEIRS study. Can J Gastroenterol Hepatol. 2014 Oct; 28(9):502-4. Lim A, Speechley M, Adams PC. PMID: 25314357; PMCID: PMC4205907.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    35. Sleep is related to neuron numbers in the ventrolateral preoptic/intermediate nucleus in older adults with and without Alzheimer's disease. Brain. 2014 Oct; 137(Pt 10):2847-61. Lim AS, Ellison BA, Wang JL, Yu L, Schneider JA, Buchman AS, Bennett DA, Saper CB. PMID: 25142380; PMCID: PMC4163039.
      View in: PubMed   Mentions: 76     Fields:    Translation:HumansCells
    36. Modification of the relationship of the apolipoprotein E ε4 allele to the risk of Alzheimer disease and neurofibrillary tangle density by sleep. JAMA Neurol. 2013 Dec; 70(12):1544-51. Lim AS, Yu L, Kowgier M, Schneider JA, Buchman AS, Bennett DA. PMID: 24145819; PMCID: PMC3859706.
      View in: PubMed   Mentions: 125     Fields:    Translation:HumansCells
    37. Sleep Fragmentation and the Risk of Incident Alzheimer's Disease and Cognitive Decline in Older Persons. Sleep. 2013 Jul 01; 36(7):1027-1032. Lim AS, Kowgier M, Yu L, Buchman AS, Bennett DA. PMID: 23814339; PMCID: PMC3669060.
      View in: PubMed   Mentions: 310     Fields:    
    38. Does quality of radiation therapy predict outcomes of multicenter cooperative group trials? A literature review. Int J Radiat Oncol Biol Phys. 2013 Oct 01; 87(2):246-60. Fairchild A, Straube W, Laurie F, Followill D. PMID: 23683829; PMCID: PMC3749289.
      View in: PubMed   Mentions: 46     Fields:    Translation:Humans
    39. Sex difference in daily rhythms of clock gene expression in the aged human cerebral cortex. J Biol Rhythms. 2013 Apr; 28(2):117-29. Lim AS, Myers AJ, Yu L, Buchman AS, Duffy JF, De Jager PL, Bennett DA. PMID: 23606611; PMCID: PMC3774838.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    40. A common polymorphism near PER1 and the timing of human behavioral rhythms. Ann Neurol. 2012 Sep; 72(3):324-34. Lim AS, Chang AM, Shulman JM, Raj T, Chibnik LB, Cain SW, Rothamel K, Benoist C, Myers AJ, Czeisler CA, Buchman AS, Bennett DA, Duffy JF, Saper CB, De Jager PL. PMID: 23034908; PMCID: PMC3464954.
      View in: PubMed   Mentions: 19     Fields:    Translation:HumansCells
    41. Global hemispheric CT hypoperfusion may differentiate headache with associated neurological deficits and lymphocytosis from acute stroke. Stroke. 2008 Feb; 39(2):492-3. Pettersen JA, Aviv RI, Black SE, Fox AJ, Lim A, Murray BJ. PMID: 18174485.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
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