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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

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 Sep 8; pii: S0306-4522(17)30635-8. doi: 10.1016/j.neuroscience.2017.09.001.

PMID:
    28893651
    [PubMed - as supplied by publisher]
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. 2017 Aug 28; pii: S1538-4721(17)30423-3. doi: 10.1016/j.brachy.2017.08.001.

PMID:
    28869144
    [PubMed - as supplied by publisher]
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 Aug 20; pii: S0009-9120(17)30349-1. doi: 10.1016/j.clinbiochem.2017.08.011.

PMID:
    28834701
    [PubMed - as supplied by publisher]
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


Covariance J-resolved spectroscopy: Theory and application in vivo.
Iqbal Z, Verma G, Kumar A, Thomas MA
NMR Biomed. 2017 Aug; 30(8)doi: 10.1002/nbm.3732.

PMID:
    28481039
    [PubMed - in process]
Related citations


Predicting genome terminus sequences of Bacillus cereus-group bacteriophage using next generation sequencing data.
Chung CH, Walter MH, Yang L, Chen SG, Winston V, Thomas MA
BMC Genomics. 2017 May 4; 18(1)350. doi: 10.1186/s12864-017-3744-0.

PMID:
    28472946
    [PubMed - in process]
Related citations


Erdheim-Chester disease associated with a novel, complex BRAF p.Thr599_Val600delinsArgGlu mutation.
Bentel JM, Thomas MA, Rodgers JJ, Arooj M, Gray E, Allcock R, Fermoyle S, Mancera RL, Cannell P, Parry J
BMJ Case Rep. 2017 Apr 28; 2017pii: bcr-2017-219720. doi: 10.1136/bcr-2017-219720.

PMID:
    28455460
    [PubMed - in process]
Related citations


Mosaic trisomy 1q: a recurring chromosome anomaly that is a diagnostic challenge and is associated with a Fryns-like phenotype.
Bone KM, Chernos JE, Perrier R, Innes AM, Bernier FP, McLeod R, Thomas MA
Prenat Diagn. 2017 Jun; 37(6)602-610. doi: 10.1002/pd.5058.

PMID:
    28437579
    [PubMed - in process]
Related citations


Reproductive tract infections: Attitude and barriers among marginalized fisher women in Kerala, South India.
Thomas MA, Narayan P
Health Care Women Int. 2017 Apr; 38(4)361-378. doi: 10.1080/07399332.2017.1279616.

PMID:
    28323558
    [PubMed - in process]
Related citations


Non-water-suppressed short-echo-time magnetic resonance spectroscopic imaging using a concentric ring k-space trajectory.
Emir UE, Burns B, Chiew M, Jezzard P, Thomas MA
NMR Biomed. 2017 Jul; 30(7)doi: 10.1002/nbm.3714.

PMID:
    28272792
    [PubMed - in process]
Related citations


Adaptive and Behavioral Changes in Kynurenine 3-Monooxygenase Knockout Mice: Relevance to Psychotic Disorders.
Erhardt S, Pocivavsek A, Repici M, Liu XC, Imbeault S, Maddison DC, Thomas MA, Smalley JL, Larsson MK, Muchowski PJ, Giorgini F, Schwarcz R
Biol Psychiatry. 2016 Dec 16; pii: S0006-3223(16)33112-2. doi: 10.1016/j.biopsych.2016.12.011.

PMID:
    28187857
    [PubMed - as supplied by publisher]
Related citations


Chloride channel ClC- 2 enhances intestinal epithelial tight junction barrier function via regulation of caveolin-1 and caveolar trafficking of occludin.
Nighot PK, Leung L, Ma TY
Exp Cell Res. 2017 Mar 1; 352(1)113-122. doi: 10.1016/j.yexcr.2017.01.024.

PMID:
    28161538
    [PubMed - indexed for MEDLINE]
Related citations


Identification and mitigation of stray laser light in the Thomson scattering system on the Madison Symmetric Torus (MST).
Jacobson CM, Borchardt MT, Den Hartog DJ, Falkowski AF, Morton LA, Thomas MA
Rev Sci Instrum. 2016 Nov; 87(11)11E511.

PMID:
    27910553
    [PubMed - in process]
Related citations


Magnetic Resonance Image Guided Radiation Therapy for External Beam Accelerated Partial-Breast Irradiation: Evaluation of Delivered Dose and Intrafractional Cavity Motion.
Acharya S, Fischer-Valuck BW, Mazur TR, Curcuru A, Sona K, Kashani R, Green O, Ochoa L, Mutic S, Zoberi I, Li HH, Thomas MA
Int J Radiat Oncol Biol Phys. 2016 Nov 15; 96(4)785-792. doi: 10.1016/j.ijrobp.2016.08.006.

PMID:
    27788951
    [PubMed - indexed for MEDLINE]
Related citations


Intestinal barrier dysfunction in human necrotizing enterocolitis.
Moore SA, Nighot P, Reyes C, Rawat M, McKee J, Lemon D, Hanson J, Ma TY
J Pediatr Surg. 2016 Dec; 51(12)1907-1913. doi: 10.1016/j.jpedsurg.2016.09.011.

PMID:
    27720222
    [PubMed - indexed for MEDLINE]
Related citations


Non-invasive detection of 2-hydroxyglutarate in IDH-mutated gliomas using two-dimensional localized correlation spectroscopy (2D L-COSY) at 7 Tesla.
Verma G, Mohan S, Nasrallah MP, Brem S, Lee JY, Chawla S, Wang S, Nagarajan R, Thomas MA, Poptani H
J Transl Med. 2016 Sep 22; 14(1)274.

PMID:
    27659543
    [PubMed - as supplied by publisher]
Related citations


Pilot Assessment of Brain Metabolism in Perinatally HIV-Infected Youths Using Accelerated 5D Echo Planar J-Resolved Spectroscopic Imaging.
Iqbal Z, Wilson NE, Keller MA, Michalik DE, Church JA, Nielsen-Saines K, Deville J, Souza R, Brecht ML, Thomas MA
PLoS One. 2016; 11(9)e0162810. doi: 10.1371/journal.pone.0162810.

PMID:
    27622551
    [PubMed - indexed for MEDLINE]
Related citations


Accelerated Echo Planer J-resolved Spectroscopic Imaging of Putamen and Thalamus in Obstructive Sleep Apnea.
Sarma MK, Macey PM, Nagarajan R, Aysola R, Harper RM, Thomas MA
Sci Rep. 2016 Sep 6; 631747. doi: 10.1038/srep31747.

PMID:
    27596614
    [PubMed - in process]
Related citations


Prenatal Array Comparative Genomic Hybridization in Fetuses With Structural Cardiac Anomalies.
Lazier J, Fruitman D, Lauzon J, Bernier F, Argiropoulos B, Chernos J, Caluseriu O, Simrose R, Thomas MA
J Obstet Gynaecol Can. 2016 Jul; 38(7)619-26. doi: 10.1016/j.jogc.2016.02.010.

PMID:
    27591345
    [PubMed - indexed for MEDLINE]
Related citations