Undergraduate School
Michigan State University (2003)
Other Post Graduate Training
Michigan State University (2004)
Medical School
University of Texas Medical Branch at Galveston (2010)
UT Southwestern Medical Center (2014), Anatomic & Clinical Pathology
UT Southwestern/Children's Medical Center (2015), Pediatric Pathology

Research Interest

  • Characterization of the biology and molecular profiles of pediatric malignancies and diseases.
  • Placental infections and rare placental pathology


Featured Publications LegendFeatured Publications

Pediatric Non-Myofibroblastic Primitive Spindle Cell Tumors with ALK Gene Rearrangements and Response to Crizotinib.
Rakheja D, Park JY, Fernandes NJ, Watt TC, Laetsch TW, Collins RRJ, Int J Surg Pathol 2022 Feb 10668969221080072
Hofbauer cells and coronavirus disease 2019 (COVID-19) in pregnancy: Molecular pathology analysis of villous macrophages, endothelial cells, and placental findings from 22 placentas infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with and without fetal transmission.
Schwartz DA, Baldewijns M, Benachi A, Bugatti M, Bulfamante G, Cheng K, Collins RRJ, Debelenko L, De Luca D, Facchetti F, Fitzgerald B, Levitan D, Linn RL, Marcelis L, Morotti D, Morotti R, Patanè L, Prevot S, Pulinx B, Saad AG, Schoenmakers S, Strybol D, Thomas K, Tosi D, Toto V, van der Meeren LE, Verdijk RM, Vivanti AJ, Zaigham M, Arch Pathol Lab Med 2021 Jul
Chronic Histiocytic Intervillositis with Trophoblast Necrosis are Risk Factors Associated with Placental Infection from Coronavirus Disease 2019 (COVID-19) and Intrauterine Maternal-Fetal Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Transmission in Liveborn and Stillborn Infants.
Schwartz DA, Baldewijns M, Benachi A, Bugatti M, Collins RRJ, De Luca D, Facchetti F, Linn RL, Marcelis L, Morotti D, Morotti R, Parks WT, Patanè L, Prevot S, Pulinx B, Rajaram V, Strybol D, Thomas K, Vivanti AJ, Arch Pathol Lab Med 2020 12
Pregnancy Outcomes Among Women With and Without Severe Acute Respiratory Syndrome Coronavirus 2 Infection.
Adhikari EH, Moreno W, Zofkie AC, MacDonald L, McIntire DD, Collins RRJ, Spong CY, JAMA Netw Open 2020 11 3 11 e2029256
Sisman J, Jaleel MA, Moreno W, Rajaram V, Collins RRJ, Savani RC, Rakheja D, Evans AS, Pediatr. Infect. Dis. J. 2020 Jul
ACTG2-Associated Visceral Myopathy With Chronic Intestinal Pseudoobstruction, Intestinal Malrotation, Hypertrophic Pyloric Stenosis, Choledochal Cyst, and a Novel Missense Mutation.
Collins RRJ, Barth B, Megison S, Pfeifer CM, Rice LM, Harris S, Timmons CF, Rakheja D Int. J. Surg. Pathol. 2018 Jul 1066896918786586
Oncometabolites: A New Paradigm for Oncology, Metabolism, and the Clinical Laboratory.
Collins RRJ, Patel K, Putnam WC, Kapur P, Rakheja D Clin. Chem. 2017 Oct
Pediatric Langerhans cell histiocytosis of the lateral skull base.
Majumder A, Wick CC, Collins R, Booth TN, Isaacson B, Kutz JW Int. J. Pediatr. Otorhinolaryngol. 2017 Aug 99 135-140
Subcutaneous sacrococcygeal ependymoma in a child.
Dogan MS, Collins R, Wang J, Koral K Spine J 2016 Jan
Evaluation of HER2/neu Status by Immunohistochemistry Using Computer-Based Image Analysis and Correlation With Gene Amplification by Fluorescence In Situ Hybridization Assay: A 10-Year Experience and Impact of Test Standardization on Concordance Rate.
Sarode VR, Xiang QD, Christie A, Collins R, Rao R, Leitch AM, Euhus D, Haley B Arch. Pathol. Lab. Med. 2015 Jul 139 7 922-8

Honors & Awards

  • Postdoctoral Association Travel Award
    Competitive award given to post doctoral scholars to fund travel to a scientific conference for presentation of novel research. (2016)

Professional Associations/Affiliations

  • American Association for Cancer Research (2016-2018)
  • American Medical Association (2011)
  • American Society for Clinical Pathology (2012)
  • College of American Pathologists (2011)
  • Dallas County Medical Society (2018)
  • North Texas Society of Pathology (2012)
  • Society for Pediatric Pathology (2015)
  • Texas Medical Society (2018)
  • Texas Society of Pathologists (2011)
  • The Connective Tissue Oncology Society (2020)
  • United States and Canadian Academy of Pathology (2012)