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

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

Center for Advanced Medicine
Siteman Cancer Center

4921 Parkview Place
St. Louis, MO 63110
Phone: 314-747-7222

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
Phone: 314-747-7222

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

The Solution Structure of CCL28 Reveals Structural Lability that Does Not Constrain Antifungal Activity.
Thomas MA, He J, Peterson FC, Huppler AR, Volkman BF
J Mol Biol. 2018 Jun 15; pii: S0022-2836(18)30191-8. doi: 10.1016/j.jmb.2018.06.001.

PMID:
    29913161
    [PubMed - as supplied by publisher]
Related citations


Expression of Programmed Death-Ligand 1 by Human Colonic CD90<sup>+</sup> Stromal Cells Differs Between Ulcerative Colitis and Crohn's Disease and Determines Their Capacity to Suppress Th1 Cells.
Beswick EJ, Grim C, Singh A, Aguirre JE, Tafoya M, Qiu S, Rogler G, McKee R, Samedi V, Ma TY, Reyes VE, Powell DW, Pinchuk IV
Front Immunol. 2018; 91125. doi: 10.3389/fimmu.2018.01125.

PMID:
    29910803
    [PubMed]
Related citations


Decoding the chemotactic signal.
Thomas MA, Kleist AB, Volkman BF
J Leukoc Biol. 2018 Jun 6; doi: 10.1002/JLB.1MR0218-044.

PMID:
    29873835
    [PubMed - as supplied by publisher]
Related citations


Metabolite-cycled density-weighted concentric rings k-space trajectory (DW-CRT) enables high-resolution 1 H magnetic resonance spectroscopic imaging at 3-Tesla.
Steel A, Chiew M, Jezzard P, Voets NL, Plaha P, Thomas MA, Stagg CJ, Emir UE
Sci Rep. 2018 May 17; 8(1)7792. doi: 10.1038/s41598-018-26096-y.

PMID:
    29773892
    [PubMed - in process]
Related citations


Insulin Sensitivity and Glucose Homeostasis Can Be Influenced by Metabolic Acid Load.
Della Guardia L, Thomas MA, Cena H
Nutrients. 2018 May 15; 10(5)pii: E618. doi: 10.3390/nu10050618.

PMID:
    29762478
    [PubMed - in process]
Related citations


Salivary kynurenic acid response to psychological stress: inverse relationship to cortical glutamate in schizophrenia.
Chiappelli J, Rowland LM, Notarangelo FM, Wijtenburg SA, Thomas MAR, Pocivavsek A, Jones A, Wisner K, Kochunov P, Schwarcz R, Hong LE
Neuropsychopharmacology. 2018 Apr 18; doi: 10.1038/s41386-018-0072-2.

PMID:
    29728648
    [PubMed - as supplied by publisher]
Related citations


Postponing Childbearing and Fertility Preservation in Young Professional Women.
Hurley EG, Ressler IB, Young S, Batcheller A, Thomas MA, DiPaola KB, Rios J
South Med J. 2018 Apr; 111(4)187-191. doi: 10.14423/SMJ.0000000000000789.

PMID:
    29719026
    [PubMed - in process]
Related citations


Influence of plasma cytokines on kynurenine and kynurenic acid in schizophrenia.
Chiappelli J, Notarangelo FM, Pocivavsek A, Thomas MAR, Rowland LM, Schwarcz R, Hong LE
Neuropsychopharmacology. 2018 Jul; 43(8)1675-1680. doi: 10.1038/s41386-018-0038-4.

PMID:
    29520060
    [PubMed - in process]
Related citations


Obstructive sleep apnea and cortical thickness in females and males.
Macey PM, Haris N, Kumar R, Thomas MA, Woo MA, Harper RM
PLoS One. 2018; 13(3)e0193854. doi: 10.1371/journal.pone.0193854.

PMID:
    29509806
    [PubMed - indexed for MEDLINE]
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Practice guideline: joint CCMG-SOGC recommendations for the use of chromosomal microarray analysis for prenatal diagnosis and assessment of fetal loss in Canada.
Armour CM, Dougan SD, Brock JA, Chari R, Chodirker BN, DeBie I, Evans JA, Gibson WT, Kolomietz E, Nelson TN, Tihy F, Thomas MA, Stavropoulos DJ, On-Behalf-Of the Canadian College of Medical Geneticists.
J Med Genet. 2018 Apr; 55(4)215-221. doi: 10.1136/jmedgenet-2017-105013.

PMID:
    29496978
    [PubMed - in process]
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RNF8 and SCML2 cooperate to regulate ubiquitination and H3K27 acetylation for escape gene activation on the sex chromosomes.
Adams SR, Maezawa S, Alavattam KG, Abe H, Sakashita A, Shroder M, Broering TJ, Sroga Rios J, Thomas MA, Lin X, Price CM, Barski A, Andreassen PR, Namekawa SH
PLoS Genet. 2018 Feb; 14(2)e1007233. doi: 10.1371/journal.pgen.1007233.

PMID:
    29462142
    [PubMed - in process]
Related citations


Continuous dosing of a novel contraceptive vaginal ring releasing Nestorone® and estradiol: pharmacokinetics from a dose-finding study.
Jensen JT, Edelman AB, Chen BA, Archer DF, Barnhart KT, Thomas MA, Burke AE, Westhoff CL, Wan LS, Sitruk-Ware R, Kumar N, Variano B, Blithe DL
Contraception. 2018 May; 97(5)422-427. doi: 10.1016/j.contraception.2018.01.012.

PMID:
    29409834
    [PubMed - in process]
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Assessment of Lipid and Metabolite Changes in Obese Calf Muscle Using Multi-Echo Echo-planar Correlated Spectroscopic Imaging.
Nagarajan R, Carpenter CL, Lee CC, Michael N, Sarma MK, Souza R, Xu E, Velan SS, Hahn TJ, Go VL, Thomas MA
Sci Rep. 2017 Dec 11; 7(1)17338. doi: 10.1038/s41598-017-17529-1.

PMID:
    29229948
    [PubMed - in process]
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Lipopolysaccharide-Induced Increase in Intestinal Epithelial Tight Permeability Is Mediated by Toll-Like Receptor 4/Myeloid Differentiation Primary Response 88 (MyD88) Activation of Myosin Light Chain Kinase Expression.
Nighot M, Al-Sadi R, Guo S, Rawat M, Nighot P, Watterson MD, Ma TY
Am J Pathol. 2017 Dec; 187(12)2698-2710. doi: 10.1016/j.ajpath.2017.08.005.

PMID:
    29157665
    [PubMed - indexed for MEDLINE]
Related citations


Impact of hypercortisolism on skeletal muscle mass and adipose tissue mass in patients with adrenal adenomas.
Delivanis DA, Iñiguez-Ariza NM, Zeb MH, Moynagh MR, Takahashi N, McKenzie TJ, Thomas MA, Gogos C, Young WF, Bancos I, Kyriazopoulou V
Clin Endocrinol (Oxf). 2018 Feb; 88(2)209-216. doi: 10.1111/cen.13512.

PMID:
    29115003
    [PubMed - in process]
Related citations


Long-term outcomes of APBI via multicatheter interstitial HDR brachytherapy: Results of a prospective single-institutional registry.
Gabani P, Cyr AE, Zoberi JE, Ochoa LL, Matesa MA, Thomas MA, Garcia J, Margenthaler JA, Naughton MJ, Ma C, Sanati S, Zoberi I
Brachytherapy. 2018 Jan - Feb; 17(1)171-180. doi: 10.1016/j.brachy.2017.09.009.

PMID:
    29089275
    [PubMed - in process]
Related citations


Amenorrhea rates and predictors during 1 year of levonorgestrel 52 mg intrauterine system use.
Darney PD, Stuart GS, Thomas MA, Cwiak C, Olariu A, Creinin MD
Contraception. 2018 Mar; 97(3)210-214. doi: 10.1016/j.contraception.2017.10.005.

PMID:
    29038072
    [PubMed - in process]
Related citations


AgRP knockdown blocks long-term appetitive, but not consummatory, feeding behaviors in Siberian hamsters.
Thomas MA, Tran V, Ryu V, Xue B, Bartness TJ
Physiol Behav. 2018 Jun 1; 19061-70. doi: 10.1016/j.physbeh.2017.10.008.

PMID:
    29031552
    [PubMed - in process]
Related citations


Mechanisms for AgRP neuron-mediated regulation of appetitive behaviors in rodents.
Thomas MA, Xue B
Physiol Behav. 2018 Jun 1; 19034-42. doi: 10.1016/j.physbeh.2017.10.006.

PMID:
    29031550
    [PubMed - in process]
Related citations


Introduction to the <i>Southern Medical Journal'</i>s Special Issue on Breast Cancer.
Thomas MA
South Med J. 2017 Oct; 110(10)605-606. doi: 10.14423/SMJ.0000000000000713.

PMID:
    28973698
    [PubMed - indexed for MEDLINE]
Related citations