Page 2 - Best Whole-body MRI doctors: TOP 28 doctors

Dr. Ornicha Thititagul (Dr. Faangkaow) is a geriatrician and lecturer in the Geriatric Medicine Division at Siriraj Hospital, Mahidol University. She practices at Siriraj Samut Sakhon Geriatric Healthcare Center and Siriraj Piyamaharajkarun Hospital.

Accreditations include: M.D. (Second Class Honors, 2017); Diplomate, Thai Board of Internal Medicine (2021); WHO‑SEARO ICOPE Master Trainer (2021). Additional credentials: Diplomate in Geriatric Medicine (2023); Diplomate, International Board of Lifestyle Medicine (2024).

Research highlights include: a randomized controlled trial on oral nutritional supplements in older adults (Geriatrics, 2024); PG‑SGA versus MNA in hepatocellular carcinoma (Support Care Cancer 33, 116, 2025); and Thailand’s first abacavir hypersensitivity case report (J Med Assoc Thai, 2021). She was on the host team and served as a moderator at the 10th Asian Conference of Frailty and Sarcopenia in 2024.

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.