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Department of dietology

Dr. Tugba Kumas
nutrition medicine

About the department

The department of dietology at Memorial Sisli Hospital Istanbul is progressive and fully committed to providing high-quality nutrition to prevent or treat pathological conditions. The department offers nutritional assessment and nutritional advice for hospitalized patients as well as outpatients. The team ensures optimal nutrition for all patients undergoing or recovering from various treatments. Dietary intervention in humans may improve tolerance to different medical procedures and enhance the quality of life. The department employs registered dietitians, a nutritional assistant and other support staff who are competent personnel committed to effectively delivering medical services. Doctors perform "individualized dietary programs" that protect health and have a healing component.

The department's mission is to improve human health through nutrition and lifestyle. The medical team is committed to encouraging patients to expand their knowledge of healthy eating and promoting patient behaviour change. For each patient requiring nutritional advice, the body fat/muscle/water ratio is measured, and fat distribution is determined. Then an individual nutrition plan is drawn up, considering each patient's age, height, gender and physiology.

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Treatment and diagnostic focus of the department


  • Hypertension (high blood pressure) 
  • Heart disease 
  • Atherosclerosis 
  • Metabolic syndromes 
  • Cancer 
  • Osteoporosis 
  • Allergies and intolerances 
  • Bronchial asthma 
  • Celiac disease 
  • Colitis 
  • Diabetes mellitus type 1 or 2 
  • Dermatitis herpetiformis 
  • Hypoglycemia 
  • Obesity


  • Anamnesis 
  • Physical examination (body mass index) 
  • Measures of the blood pressure 
  • Electrocardiography (ECG)
  • Lipid profile 
  • Hormone panel 
  • Skin-prick test 
  • Blood test (IgE measures)
  • Gastroscopy, colonoscopy 
  • Ultrasound examination
  • Computed tomography (CT scan)
  • Magnetic resonance imaging (MRI)


  • Regular healthy diet
  • Liquid diet
  • Restricted diet
  • Ketogenic diet 
  • Vegetarian diet 
  • Raw food diet 
  • Gluten-free diet 
  • Mediterranean diet
  • Therapeutic diet
  • Diabetic diet
  • Kidney diet
  • Soft diet
  • Others (on the recommendation of a consultant doctor)
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Doctor profile


  • 2012 - 2016 Bachelor, Nutritionist, Marmara University
  • 2016 Internship, Fenerbahçe Sports Club Istanbul
  • 2017 - 2020 MSc, Nutrition and Dietetics, Okan University


  • 2016 - 2019 Dietitian, Private Doctors Surgical Medical Center
  • 2019 - 2021 Expert Nutritionist, Sportial Club
  • 2020 - 2021 Expert Nutritionist, Özel Unutmaz Tıp Merkezi
  • since 2021 Expert Nutritionist, Memorial Şişli Hospital

Awards, memberships, publications

  • Symposium on Gluten Sensitivity and Celiac Disease
  • Istanbul Biennial of Health and Nutrition
  • Cancer and nutrition in treatment and prevention
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