The Prostate Laser Center, a HALO Precision Diagnostics™ company, is conveniently located in the heart of Houston’s Medical Center. The team specializes in the use of state-of-the-art medical imaging technologies for the treatment of prostate cancer and benign prostatic hypertrophy (BPH). More than 300 patients from all over the world have been treated at the Prostate Laser Center and it is the only center in the US to offer both TULSA-PRO and Focal Laser Ablation as prostate cancer and BPH therapies.

Thanks to the leadership of Dr. Harman and Dr. Karamanian, the Prostate Laser Center’s staff is well-known for their special one-on-one concierge care they provide to each patient and thier family before, during, and after every treatment provided.

HALO Diagnostics Prostate Laser Center

Center address:

Houston Methodist Hospital, Fannin St, Houston, TX 77030, United States


If you have any questions about the TULSA Procedure, an education team member from Profound will respond within 72 hours.  

Treatment team

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Aaron Harman, M.D

Aaron Harman, M.D., is a board-certified radiologist in vascular and interventional radiology as well as diagnostic radiology

Aaron Harman, M.D., is a board-certified radiologist in vascular and interventional radiology as well as diagnostic radiology. Originally from Boston, Massachusetts, Dr. Harman and his family relocated to beautiful Houston, Texas.


Dr. Harman completed his internal medicine internship at St. Vincent Hospital, where he was voted “Intern of the Year.” He then trained at Brown University for his diagnostic radiology residency, winning the “Resident Teacher” award.


After graduating from a vascular and interventional radiology fellowship at Brigham and Women’s Hospital in Boston, Dr. Harman spent his early career years at the University of Massachusetts (UMass) Medical School where he rapidly rose to the leadership position of Program Director of the Interventional Radiology residency.


He was invited by the medical school’s Interventional Radiology Interest Group to act as faculty advisor, where he was shared his passion for the field with the next generation of doctors. He also served as president of the New England Society of Interventional Radiology (NESIR) and currently sits on its board of directors.


Dr. Harman has a clinical interest in interventional oncology, a subspecialty of interventional radiology that deals with minimally invasive treatments for cancer. During his fellowship, Dr. Harman won a Society of Interventional Oncology (SIO) scholarship. During his time at Brown, Brigham, and UMass, he performed numerous microwave ablations and cryoablations of tumors in the lung, liver, kidneys, and soft tissues, as well as embolizations of tumors in the liver and kidneys.


Dr. Harman has authored and co-authored several papers and book chapters, including a recent review article on interventional oncology featuring a section on MRI-guided focal prostate ablation. He is also a member of the Society of Interventional Radiology (SIR) and the Focal Therapy Society (FTS).


Dr. Harman now focuses his efforts on MRI-guided focal laser ablation of prostate cancer and benign prostatic hypertrophy (BPH). In addition, he has performed numerous other image-guided urological procedures, including renal biopsies, nephrostomy and suprapubic tube placements, prostate abscess drainage, renal hemorrhage embolization, prostate artery embolization, and vesical artery embolization.




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Ara Karamanian, M.D.

HALO Precision Diagnostic's Prostate Program Director, Medical Director of Prostate Laser Center.

Dr. Ara Karamanian is board certified in both diagnostic and interventional radiology. During his fellowship at UTMB Galveston, Dr. K was specially trained in using advanced imaging modalities (MRI, ultrasound, CT, and x-ray) to perform precise, minimally invasive procedures. Prior to medical school, he studied biomedical engineering at Duke University, where he graduated with distinction for his work in 3D ultrasound imaging research.

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Donnie Sartin, Rn, BSN, Crn, Csrn

Laser Focal Therapy Patient Coordinator.

Donnie has cared for hundreds of focal laser ablation patients over the last decade. Prior to becoming a laser focal therapy patient coordinator, Donnie served as an ICU nurse for 7 years, often acting in the role of ICU Charge Nurse. He is certified in conscious sedation, advanced cardiac life support, and as a radiology nurse

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