Patient Portal

Maria A. Thomas, MD, PhD

Assistant Professor, Radiation Oncology

Specialty Areas

Radiation Oncology
Breast Oncology
Lymphoma
Gamma Knife

Hospital Affiliations

Barnes-Jewish West County Hospital
Barnes-Jewish Hospital
Christian Hospital

Areas of Clinical Interest

Radiation therapy using all modalities of external beam radiation ( 3-D conformal treatment planning, IMRT, stereotactic body radiotherapy, image guided radiation therapy, accelerated partial breast irradiation, tomotherapy, advanced localization systems, total body radiation, PET and MRI fusion.  Also brachytherapy, Gamma Knife radiosurgery

  • Location(s)
  • Education
  • Publication & Research

Location(s)

Location(s)

Center for Advanced Medicine
Siteman Cancer Center

4921 Parkview Place
St. Louis, MO 63110

Suite: LL
Floor: LL
Office Phone: 314-747 7236
Additional Phone: 800-221-4336

Siteman Cancer Center - South County

5225 MidAmerica Plaza
St. Louis, MO 63129

Education

Education

Medical Degree: Saint Louis University School of Medicine, St. Louis, MO 2008
BS (Biology): Creighton University, Omaha, NE 2000
Residency: Radiation Oncology, Barnes-Jewish Hospital/Washington University School of Medicine, St. Louis MO 2013
PhD: Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 2008

Publication & Research

Publication & Research

Predictors of Locoregional Recurrence After Failure to Achieve Pathologic Complete Response to Neoadjuvant Chemotherapy in Triple-Negative Breast Cancer.
Gabani P, Merfeld E, Srivastava AJ, Weiner AA, Ochoa LL, Mullen D, Thomas MA, Margenthaler JA, Cyr AE, Peterson LL, Naughton MJ, Ma C, Zoberi I
J Natl Compr Canc Netw. 2019 Apr 1; 17(4)348-356. doi: 10.6004/jnccn.2018.7103.

PMID:
    30959467
    [PubMed - in process]
Related citations


Building a Scaffolded Research Experience for Undergraduates.
Reavis RD, Thomas MA
Front Psychol. 2019; 10524. doi: 10.3389/fpsyg.2019.00524.

PMID:
    30941076
    [PubMed]
Related citations


Comparison of plasma and urinary microRNA-483-5p for the diagnosis of adrenocortical malignancy.
Decmann A, Bancos I, Khanna A, Thomas MA, Turai P, Perge P, Pintér JZ, Tóth M, Patócs A, Igaz P
J Biotechnol. 2019 May 20; 29749-53. doi: 10.1016/j.jbiotec.2019.03.017.

PMID:
    30940435
    [PubMed - in process]
Related citations


Treatment response as predictor for brain metastasis in triple negative breast cancer: A score-based model.
Gabani P, Weiner AA, Hernandez-Aya LF, Khwaja S, Roach MC, Ochoa LL, Mullen D, Thomas MA, Matesa MA, Margenthaler JA, Cyr AE, Naughton MJ, Ma C, Sanati S, Zoberi I
Breast J. 2019 Mar 28; doi: 10.1111/tbj.13230.

PMID:
    30920124
    [PubMed - as supplied by publisher]
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Intestinal Epithelial Tight Junction Barrier regulation by Autophagy related protein ATG6/beclin 1.
Wong M, Ganapathy AS, Suchanec E, Laidler L, Ma T, Nighot PK
Am J Physiol Cell Physiol. 2019 Mar 20; doi: 10.1152/ajpcell.00246.2018.

PMID:
    30892937
    [PubMed - as supplied by publisher]
Related citations


Clinical outcomes and patterns of care in the treatment of carcinosarcoma of the breast.
Kennedy WR, Gabani P, Acharya S, Thomas MA, Zoberi I
Cancer Med. 2019 Mar 12; doi: 10.1002/cam4.1942.

PMID:
    30864198
    [PubMed - as supplied by publisher]
Related citations


Acceptability of the Woman's Condom in a phase III multicenter open-label study.
Chen BA, Blithe DL, Muraguri GR, Lance AA, Carr BR, Jensen JT, Kimble TD, Murthy AS, Schreiber CA, Thomas MA, Walsh TL, Westhoff C, Burke AE
Contraception. 2019 Mar 6; pii: S0010-7824(19)30040-X. doi: 10.1016/j.contraception.2019.02.006.

PMID:
    30849305
    [PubMed - as supplied by publisher]
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Responding to salinity in a rural African alluvial valley aquifer system: To boldly go beyond the world of hand-pumped groundwater supply?
Rivett MO, Budimir L, Mannix N, Miller AVM, Addison MJ, Moyo P, Wanangwa GJ, Phiri OL, Songola CE, Nhlema M, Thomas MAS, Polmanteer RT, Borge A, Kalin RM
Sci Total Environ. 2019 Feb 25; 6531005-1024. doi: 10.1016/j.scitotenv.2018.10.337.

PMID:
    30759542
    [PubMed]
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In vivo <sup>1</sup> H MRS of human gallbladder bile in understanding the pathophysiology of primary sclerosing cholangitis (PSC): Immune-mediated disease versus bile acid-induced injury.
Mohajeri S, Bezabeh T, Ijare OB, King SB, Thomas MA, Minuk G, Lipschitz J, Kirkpatrick I, Micflikier AB, Summers R, Smith ICP
NMR Biomed. 2019 May; 32(5)e4065. doi: 10.1002/nbm.4065.

PMID:
    30735273
    [PubMed - in process]
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Lipopolysaccharide-Induced Increase in Intestinal Permeability Is Mediated by TAK-1 Activation of IKK and MLCK/MYLK Gene.
Nighot M, Rawat M, Al-Sadi R, Castillo EF, Nighot P, Ma TY
Am J Pathol. 2019 Apr; 189(4)797-812. doi: 10.1016/j.ajpath.2018.12.016.

PMID:
    30711488
    [PubMed - in process]
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Correction: A new microdeletion syndrome involving TBC1D24, ATP6V0C, and PDPK1 causes epilepsy, microcephaly, and developmental delay.
Mucha BE, Banka S, Ajeawung NF, Molidperee S, Chen GG, Koenig MK, Adejumo RB, Till M, Harbord M, Perrier R, Lemyre E, Boucher RM, Skotko BG, Waxler JL, Thomas MA, Hodge JC, Gecz J, Nicholl J, McGregor L, Linden T, Sisodiya SM, Sanlaville D, Cheung SW, Ernst C, Campeau PM
Genet Med. 2019 Jan 14; doi: 10.1038/s41436-018-0413-x.

PMID:
    30643220
    [PubMed - as supplied by publisher]
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Delineation of a Cardiac Planning Organ-At-Risk Volume Using Real-Time Magnetic Resonance Imaging for Cardiac Protection in Thoracic and Breast Radiation Therapy.
Henke LE, Contreras JA, Mazur T, Green O, Daniel N, Lashmett H, Senter T, Gach HM, Ochoa L, Mutic S, Zoberi I, Bradley J, Robinson C, Thomas MA
Pract Radiat Oncol. 2018 Dec 18; pii: S1879-8500(18)30354-0. doi: 10.1016/j.prro.2018.12.004.

PMID:
    30576844
    [PubMed - as supplied by publisher]
Related citations


MMP-9-induced increase in intestinal epithelial tight permeability is mediated by p38 kinase signaling pathway activation of MLCK gene.
Al-Sadi R, Youssef M, Rawat M, Guo S, Dokladny K, Haque M, Watterson MD, Ma TY
Am J Physiol Gastrointest Liver Physiol. 2019 Feb 1; 316(2)G278-G290. doi: 10.1152/ajpgi.00126.2018.

PMID:
    30543452
    [PubMed - in process]
Related citations


Next-Generation Sequencing Using a Cardiac Gene Panel in Prenatally Diagnosed Cardiac Anomalies.
Lamont RE, Xi Y, Popko C, Lazier J, Bernier FP, Lauzon JL, Innes AM, Parboosingh JS, Thomas MA
J Obstet Gynaecol Can. 2018 Nov; 40(11)1417-1423. doi: 10.1016/j.jogc.2018.02.002.

PMID:
    30473118
    [PubMed - in process]
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Standardization and automation of quality assurance for high-dose-rate brachytherapy planning with application programming interface.
Cai B, Altman MB, Reynoso F, Garcia-Ramirez J, He A, Edward SS, Zoberi I, Thomas MA, Gay H, Mutic S, Zoberi JE
Brachytherapy. 2019 Jan - Feb; 18(1)108-114.e1. doi: 10.1016/j.brachy.2018.09.004.

PMID:
    30385115
    [PubMed - in process]
Related citations


A Challenging Prenatal QF-PCR Rapid Aneuploidy Test Result Caused by a Maternally Inherited Triplication within Chromosome Xq26.2.
Inkster A, Thomas MA, Gamache NS, Chan M, Stenroos P, Chernos JE, Argiropoulos B
Cytogenet Genome Res. 2018 Oct 5; doi: 10.1159/000492650.

PMID:
    30286453
    [PubMed - as supplied by publisher]
Related citations


A new microdeletion syndrome involving TBC1D24, ATP6V0C, and PDPK1 causes epilepsy, microcephaly, and developmental delay.
Mucha BE, Banka S, Ajeawung NF, Molidperee S, Chen GG, Koenig MK, Adejumo RB, Till M, Harbord M, Perrier R, Lemyre E, Boucher RM, Skotko BG, Waxler JL, Thomas MA, Hodge JC, Gecz J, Nicholl J, McGregor L, Linden T, Sisodiya SM, Sanlaville D, Cheung SW, Ernst C, Campeau PM
Genet Med. 2018 Sep 24; doi: 10.1038/s41436-018-0290-3.

PMID:
    30245510
    [PubMed - as supplied by publisher]
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Durability of Stroke Prevention with Carotid Endarterectomy and Carotid Stenting.
Thomas MA, Pearce WH, Rodriguez HE, Helenowski IB, Eskandari MK
Surgery. 2018 Dec; 164(6)1271-1278. doi: 10.1016/j.surg.2018.06.041.

PMID:
    30236609
    [PubMed - in process]
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Clinical, Biochemical, and Radiological Characteristics of a Single-Center Retrospective Cohort of 705 Large Adrenal Tumors.
Iñiguez-Ariza NM, Kohlenberg JD, Delivanis DA, Hartman RP, Dean DS, Thomas MA, Shah MZ, Herndon J, McKenzie TJ, Arlt W, Young WF Jr, Bancos I
Mayo Clin Proc Innov Qual Outcomes. 2018 Mar; 2(1)30-39. doi: 10.1016/j.mayocpiqo.2017.11.002.

PMID:
    30225430
    [PubMed]
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Magnetic Resonance Image-Guided Radiotherapy (MRIgRT): A 4.5-Year Clinical Experience.
Henke LE, Contreras JA, Green OL, Cai B, Kim H, Roach MC, Olsen JR, Fischer-Valuck B, Mullen DF, Kashani R, Thomas MA, Huang J, Zoberi I, Yang D, Rodriguez V, Bradley JD, Robinson CG, Parikh P, Mutic S, Michalski J
Clin Oncol (R Coll Radiol). 2018 Nov; 30(11)720-727. doi: 10.1016/j.clon.2018.08.010.

PMID:
    30197095
    [PubMed - in process]
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