HIV Malignancy Program

Faculty and Staff



2013 11:54:19 AM

Chris Parsons, MD
Associate Professor of Medicine and Microbiology
Director, HIV Malignancy Program
Translational Tumor Virology Group
Louisiana Cancer Research Center - New Orleans, LA

Background: Dr. Parsons has over 12 years of experience in HIV-related research and patient care. He received his medical degree from the Case Western Reserve University School of Medicine in Cleveland, OH in 1998 following completion of a one-year pathology fellowship program focused on HIV-associated pathology. He completed his internal medicine residency training in the Osler Training Program at Johns Hopkins Hospital in 2001, and a fellowship in Infectious Diseases and International Health at the University of Virginia in 2004. After serving as an Assistant Professor of Research at UVA until 2006, he joined the faculty of the Medical University of South Carolina where he developed an NIH-funded basic and translational research program to better understand mechanisms for virus-associated cancers arising preferentially in the setting of HIV infection, focusing on Kaposi's sarcoma (KS) and non-Hodgkin's lymphoma (NHL). His research group moved to New Orleans and the Louisiana Cancer Research Center in 2012 with the goal of facilitating clinical translation of promising laboratory research related to HIV and cancer, and to increase enrollment of underrepresented HIV patients in state-of-the-art cooperative and investigator-initiated clinical trials for cancer treatment and prevention. This program serves HIV patients receiving care at one of several medical homes in the New Orleans, Baton Rouge, and other surrounding areas, which have some of the highest incidence and prevalence rates for HIV infection per capita in the U.S. This includes the LSU HIV Outpatient (HOP) Clinic, one of the largest urban-based community HIV clinics in the U.S. serving approximately 3,000 patients, where Dr. Parsons serves as a faculty leader for outpatient HIV clinic training within the Infectious Diseases Fellowship Training Program at LSU.

Specialization: Clinical trials for cancer treatment and prevention in the setting of HIV infection. Topics: use of anti-inflammatory agents for reduction of oncogenic viral reservoirs; sphingosine kinase inhibitors for targeting virus-infected tumors; treatment and prevention of Kaposi's sarcoma; treatment of diffuse large B-cell lymphoma.


Thomas Reske, MD, PhD 2013 11:57:03 AM
Assistant Professor of Clinical Medicine, Sections of Hematology-Oncology and Geriatrics
Director, Geriatric Oncology Program
Principal Investigator for AIDS Malignancy Consortium (AMC), LSUHSC site

Background:  Dr. Thomas Reske is a graduate of the Humboldt University in Germany.  He completed his residency in Internal Medicine at the State University of Upstate New York in Buffalo, and a fellowship in Hematology-Oncology and Geriatric Medicine at the Boston University Medical Center in 2011.

Specializations: Cancer disease in HIV positive patients, Gastrointestinal Cancers and Geriatric Oncology.


                                                  Michael Hagensee, MD, PhD
hagenseeProfessor of Medicine, Section of Infectious Disease
Director, Translational Tumor Virology Group

Dr. Hagensee is an established investigator investigating the role of human papillomavirus (HPV) in causing anogenital malignancies such as cervical and anal cancer.  He is also an Infectious Disease specialist and HIV care provider.  He received his MD and PHD degrees from Baylor College of Medicine in Houston, Tx in 1988, Medicine residency in 1991 and Infectious Disease fellowship in 1994 from the University of Washington Affiliated Hospitals in Seattle, Wa.  His research has been focusing on HPV infections in HIV+ men and women for over 15 years.

Specializations:  Prevention of cervical and anal cancer, HIV treatment, genital tract immune responses, HPV vaccine delivery


orangio Guy Orangio MD, FACS, FASCRS
Associate Professor of Surgery

Dr.Orangio has been board certified in both General Surgery and Colon and Rectal Surgery since 1986.  His General Surgery Residency/Chief Residency was done in Long Island Jewish Hillside Medical Center, Long Island, NY. He did his Fellowship in Colon and Rectal Surgery at the Cleveland Clinic Foundation, Ohio and then went into Private Practice in Atlanta GA for 27 years. During that time he founded Georgia Colon and Rectal Surgical Associates, a specialty practice of 9 Colon and Rectal Surgeons, 7 offices and covering 12 of greater Atlanta’s hospitals. During that time the group developed the only free standing fellowship in Colon and Rectal Surgery in the USA (only 37 programs). He held several leadership positions, including Chief of Colon and Rectal Surgery (DeKalb Hospital, Atlanta Medical Center, and Saint Joseph’s Hospital). During that time he held an Associate Professor of Clinical Surgery at the Medical College of Georgia and sponsored medical student training. He also trained General Surgery Residents at Atlanta Medical Center. He joined the LSU Department of Surgery in September of 2012 as Section Head of Colon and Rectal Surgery. He is involved in multiple scientific committees including the AIDS Malignancy Consortium, and he heads the academic oncologic colorectal surgery quality initiative.

Specializations: Colorectal and Anal malignancies.

Michelle Loch, MD
Assistant Professor of Clinical Medicine, Section of Hematology-Oncology
Director: Breast and GYN Medical Oncology Program

Dr. Michelle Loch joined the faculty of the LSU Health Sciences Center Section of Hematology/Oncology in 2012 and currently practices at the Interim LSU Public Hospital Oncology Clinic. Board Certified in Internal Medicine, Hematology and Oncology she earned her undergraduate degree from Virginia Commonwealth University and her M.D. from St. George’s University School of Medicine. She completed internal medicine internship and residency at the University of Virginia and hematology and oncology fellowship at the Boston University Medical Center.  Her clinical interests include breast and gynecologic malignancies, though she sees all types of hematologic and oncologic disorders.

Specializations: Cancer disease in HIV positive patients, breast and GYN malignancies.

2013 12:27:58 PMJohn Estrada, MD
Associate Professor of Pediatrics

Dr. John Estrada earned his doctoral degree from the University of Antioquia Medical School in Colombia in 1980, before completing a fellowship at Wake Forest University’s Bowman Gray School of Medicine in Winston-Salem, North Carolina.  Board certified by the American Board of Medical Laboratory Immunology, he is an Associate Professor of Pediatrics, with research interests that include tropical medicine, HIV/AIDS research, clinical and research ethics, faculty development, and medical education. At the Stanley S. Scott Cancer Center, he is Director of Education and Community Services. In addition, he co-directs outreach activities associated with the Minority-Based Community Clinical Oncology Program (MB-CCOP), through which individuals from communities across south Louisiana are provided access to the latest NCI clinical trials for cancer prevention, control, and treatment.  Dr. Estrada is also Associate Director of the LSU-Tulane Clinical and Translation Research Education and Commercialization Project, otherwise known as the Clinical and Translational Research Center.


Eileen Mederos, RN

Program Manager, LSU Cancer Center MBCCOP Program

Ms. Mederos received her degree in Nursing from LSU School of Nursing in 1989. In 1993, Eileen was appointed as the first Trauma Coordinator for Charity Hospital in New Orleans. Following Hurricane Katrina and the closure of Charity Hospital, Ms. Mederos was appointed as the Systems Director for the Louisiana Emergency Response Network, a legislatively created organization whose mission is to design, implement and sustain a trauma and time-sensitive illness network for the State of Louisiana.

In January of 2012, Ms. Mederos joined the team at the LSU Cancer Center to assist in further expansion of the LSU Minority-Based Community Cancer Outreach Program (MBCCOP) Clinical Trials network throughout Southeast Louisiana and Mississippi.

Ms. Mederos serves on the Governor’s Health Education Authority of Louisiana and is a member of the Oncology Nursing Society.

Lisa Doyle
Clinical Associate

Lisa obtained a Bachelor of Science degree in Biology from Southern University at New Orleans.  Since then, she has worked for the Louisiana Office of Public Health and various Community Based Organizations serving in the capacity of a Disease Intervention Specialist, Health Education Outreach Worker, Case Manager and HIV Prevention Program Coordinator.

Currently, Lisa works as a Clinical Associate for the LSU Cancer Center Minority-Based Community Clinical Oncology Program (MBCCOP).  She is primarily responsible for recruiting, consenting, and enrolling eligible patients into various Cancer and HIV/AIDS related clinical trials, as well as extrapolating and maintaining the integrity of patient clinical data.  Additionally, she is responsible for the timely completion and reporting of patient follow-ups.

Keri Nash Watson, LMSW
Medical Care Coordinator, NO/AIDS Task Force

Keri graduated with her Masters of Social Work from the University of Southern Mississippi in 2005. After graduation, she had a job waiting for her at NO/AIDS Task Force and has now been with NO/AIDS for eight years, serving people who are living with HIV/AIDS.  Initially, Keri started off in case management as an Intake Specialist but later transitioned over to primary medical care as a Benefits Counselor/Home Health Coordinator.  Currently, Keri serves as Medical Care Coordinator/Home Health Coordinator in the primary medical care clinic at NO/AIDS Task Force. She has also begun to use her skills to navigate patients with HIV and Cancer through the health care system to provide patients with better-coordinated care. Keri is passionate about healthcare equality and social justice for the underserved and is fortunate to be able to put her passions into practice through her work.

Samantha T. Euraque M.A.
Program Coordinator, Stanley S. Scott Cancer Center

Samantha Euraque obtained a Master’s degree in Cultural Anthropology at Louisiana State University and received a B.S. with a double major in Psychology and Sociology from the same. During her Master’s program, she studied the Honduran population in New Orleans and has been cited in a number of articles and books. She has designed and implemented various HIV and cultural awareness curricula for Peace Corps El Salvador, the Louisiana Office of Public Health, and the Delta Region AIDS Education and Training Center. In her current position at the Stanley S. Scott Cancer Center she has helped develop the patient navigation program for people living with HIV and Cancer.