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

Long-term Outcomes with 3D Conformal External Beam Accelerated Partial Breast Irradiation (APBI).
Kennedy WR, Roach MC, Thomas MA, Ochoa L, Altman MB, Hernandez-Aya LF, Cyr AE, Margenthaler JA, Zoberi I
Pract Radiat Oncol. 2019 Sep 18; pii: S1879-8500(19)30271-1. doi: 10.1016/j.prro.2019.09.007.

PMID:
    31541717
    [PubMed - as supplied by publisher]
Related citations


Structure-function guided modeling of chemokine-GPCR specificity for the chemokine XCL1 and its receptor XCR1.
Fox JC, Thomas MA, Dishman AF, Larsen O, Nakayama T, Yoshie O, Rosenkilde MM, Volkman BF
Sci Signal. 2019 Sep 3; 12(597)pii: eaat4128. doi: 10.1126/scisignal.aat4128.

PMID:
    31481523
    [PubMed - in process]
Related citations


The potential association of psychoactive pharmaceuticals in the environment with human neurological disorders.
Kaushik G, Thomas MA
Sustain Chem Pharm. 2019 Sep; 13pii: 100148. doi: 10.1016/j.scp.2019.100148.

PMID:
    31453309
    [PubMed]
Related citations


Comparison of self-reported female condom failure and biomarker-confirmed semen exposure.
Walsh TL, Snead MC, St Claire BJ, Schwartz JL, Mauck CK, Frezieres RG, Blithe DL, Archer DF, Barnhart KT, Jensen JT, Nelson AL, Thomas MA, Wan LS, Weaver MA
Contraception. 2019 Aug 2; pii: S0010-7824(19)30371-3. doi: 10.1016/j.contraception.2019.07.143.

PMID:
    31381878
    [PubMed - as supplied by publisher]
Related citations


Synthetic CT reconstruction using a deep spatial pyramid convolutional framework for MR-only breast radiotherapy.
Olberg S, Zhang H, Kennedy WR, Chun J, Rodriguez V, Zoberi I, Thomas MA, Kim JS, Mutic S, Green OL, Park JC
Med Phys. 2019 Sep; 46(9)4135-4147. doi: 10.1002/mp.13716.

PMID:
    31309586
    [PubMed - in process]
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Strategies nurses use when caring for patients with moderate-to-severe traumatic brain injury who have cognitive impairments.
Oyesanya TO, Thomas MA
J Clin Nurs. 2019 Nov; 28(21-22)4098-4109. doi: 10.1111/jocn.14958.

PMID:
    31190340
    [PubMed - in process]
Related citations


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 - indexed for MEDLINE]
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 May; 25(3)363-372. doi: 10.1111/tbj.13230.

PMID:
    30920124
    [PubMed - in process]
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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 P
Am J Physiol Cell Physiol. 2019 May 1; 316(5)C753-C765. doi: 10.1152/ajpcell.00246.2018.

PMID:
    30892937
    [PubMed - in process]
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 Apr; 8(4)1379-1388. doi: 10.1002/cam4.1942.

PMID:
    30864198
    [PubMed - in process]
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 Jun; 99(6)357-362. doi: 10.1016/j.contraception.2019.02.006.

PMID:
    30849305
    [PubMed - in process]
Related citations


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]
Related citations


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 Sep; 21(9)2159-2160. doi: 10.1038/s41436-018-0413-x.

PMID:
    30643220
    [PubMed]
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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. 2019 May; 9(3)e298-e306. doi: 10.1016/j.prro.2018.12.004.

PMID:
    30576844
    [PubMed - indexed for MEDLINE]
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]
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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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