FollowMyHealth 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

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 Feb 27; doi: 10.1038/s41386-018-0038-4.

PMID:
    29520060
    [PubMed - as supplied by publisher]
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 - in process]
Related citations


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]
Related citations


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 Feb 2; pii: S0010-7824(18)30034-9. doi: 10.1016/j.contraception.2018.01.012.

PMID:
    29409834
    [PubMed - as supplied by publisher]
Related citations


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]
Related citations


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. 2017 Oct 12; pii: S0031-9384(17)30346-3. doi: 10.1016/j.physbeh.2017.10.008.

PMID:
    29031552
    [PubMed - as supplied by publisher]
Related citations


Mechanisms for AgRP neuron-mediated regulation of appetitive behaviors in rodents.
Thomas MA, Xue B
Physiol Behav. 2017 Oct 12; pii: S0031-9384(17)30344-X. doi: 10.1016/j.physbeh.2017.10.006.

PMID:
    29031550
    [PubMed - as supplied by publisher]
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


Dysregulation of autism-associated synaptic proteins by psychoactive pharmaceuticals at environmental concentrations.
Kaushik G, Xia Y, Pfau JC, Thomas MA
Neurosci Lett. 2017 Nov 20; 661143-148. doi: 10.1016/j.neulet.2017.09.058.

PMID:
    28965935
    [PubMed - in process]
Related citations


Risk assessment to groundwater of pit latrine rural sanitation policy in developing country settings.
Back JO, Rivett MO, Hinz LB, Mackay N, Wanangwa GJ, Phiri OL, Songola CE, Thomas MAS, Kumwenda S, Nhlema M, Miller AVM, Kalin RM
Sci Total Environ. 2018 Feb 1; 613-614592-610. doi: 10.1016/j.scitotenv.2017.09.071.

PMID:
    28926813
    [PubMed - in process]
Related citations


Obstructive sleep apnea is associated with altered midbrain chemical concentrations.
Macey PM, Sarma MK, Prasad JP, Ogren JA, Aysola R, Harper RM, Thomas MA
Neuroscience. 2017 Nov 5; 36376-86. doi: 10.1016/j.neuroscience.2017.09.001.

PMID:
    28893651
    [PubMed - in process]
Related citations


Efficiency of using the day-of-implant CT for planning of SAVI APBI.
Altman MB, Mooney KE, Edward S, Garcia-Ramirez JL, Dewees TA, Thomas MA, Zoberi I, Zoberi JE
Brachytherapy. 2018 Jan - Feb; 17(1)40-49. doi: 10.1016/j.brachy.2017.08.001.

PMID:
    28869144
    [PubMed - in process]
Related citations


Bilirubin concentration is positively associated with haemoglobin concentration and inversely associated with albumin to creatinine ratio among Indigenous Australians: eGFR Study.
Hughes JT, Barzi F, Hoy WE, Jones GRD, Rathnayake G, Majoni SW, Thomas MAB, Sinha A, Cass A, MacIsaac RJ, O'Dea K, Maple-Brown LJ
Clin Biochem. 2017 Dec; 50(18)1040-1047. doi: 10.1016/j.clinbiochem.2017.08.011.

PMID:
    28834701
    [PubMed - indexed for MEDLINE]
Related citations


Prior-knowledge Fitting of Accelerated Five-dimensional Echo Planar J-resolved Spectroscopic Imaging: Effect of Nonlinear Reconstruction on Quantitation.
Iqbal Z, Wilson NE, Thomas MA
Sci Rep. 2017 Jul 24; 7(1)6262. doi: 10.1038/s41598-017-04065-1.

PMID:
    28740202
    [PubMed - in process]
Related citations


Echo-Planar J-resolved Spectroscopic Imaging using Dual Read-outs: Implementation and Quantitation of Human Brain Metabolites.
Sarma MK, Nagarajan R, Iqbal Z, Macey PM, Thomas MA
Sci Rep. 2017 Jun 8; 7(1)3087. doi: 10.1038/s41598-017-03121-0.

PMID:
    28596547
    [PubMed - in process]
Related citations