Asst. Prof. MD. Cansu Altuntaş
Pediatric Gastroenterology
Asst. Prof. MD. Cansu Altuntaş
Pediatric Gastroenterology

Asst. Prof. MD. Cansu Altuntaş

Pediatric Gastroenterology

Single Form Doctors

Areas Of Interests

Functional gastrointestinal diseases (constipation, diarrhea, gastroesophageal reflux disease, nausea, abdominal pain, regurgitation)
Irritable bowel syndrome
Celiac disease
Growth failure, failure to gain weight
Inflammatory bowel diseases (Crohn's disease, Ulcerative colitis)
Diagnostic and interventional endoscopy
Gastrointestinal bleeding
Childhood obesity – fatty liver
Autoimmune hepatitis
Chronic liver disease
Cholestasis
Gallbladder stone
Liver transplant
Acute/chronic pancreatitis
Swallowing disorders, enteral nutrition
Food allergies, intolerance
Childhood nutrition

Compassionate, Precise, and Child-Focused Care in Pediatric Gastroenterology

Asst. Prof. MD. Cansu Altuntaş is a specialist in Pediatric Gastroenterology at İstinye University Hospital, Liv Hospital, dedicated to providing child-centered, evidence-based care for infants, children, and adolescents with digestive system and nutritional disorders. Her clinical practice emphasizes a gentle, reassuring, and family-inclusive approach, ensuring children feel safe and understood while receiving world-class medical care supported by the latest diagnostic and therapeutic technologies.

Dr. Altuntaş completed her medical training at Hacettepe University Faculty of Medicine, followed by specialization in Child Health and Diseases at Ankara Dr. Sami Ulus Child Health and Diseases Training and Research Hospital. She later completed advanced sub-specialty training in Pediatric Gastroenterology at Ankara University Faculty of Medicine, where she developed a deep focus on chronic abdominal pain, food allergies, growth and nutrition challenges, celiac disease, inflammatory bowel disease (IBD), and liver and pancreatic conditions in children.

Her patient-care philosophy is built on accurate diagnosis, minimally invasive evaluation, and personalized treatment planning. By utilizing modern pediatric endoscopy techniques, nutritional assessment tools, and advanced gastroenterology imaging systems, she ensures faster recovery, reduced discomfort, and safer procedural outcomes. She works closely with families to help them understand each step of the care process, strengthening parental confidence and improving long-term health management.

At Liv Hospital, Dr. Altuntaş combines medical expertise with empathy, providing care that is compassionate, child-friendly, and aligned with the highest international medical standards.

Beyond her clinical responsibilities, Asst. Prof. MD. Cansu Altuntaş is an active academic physician contributing to the advancement of pediatric gastroenterology research and medical education. As a faculty member at İstinye University, she plays a meaningful role in training the next generation of pediatricians and gastroenterology specialists through academic coursework, clinical mentoring, and research supervision.

Her scientific work focuses on pediatric nutrition, chronic gastrointestinal conditions, growth and developmental health, food allergies, and diagnostic accuracy in complex GI conditions. She has co-authored numerous peer-reviewed articles published in respected international journals such as the European Journal of Pediatrics, Nutrition, Journal of Paediatrics and Child Health, and Nutritional Clinical Practice. These studies explore critical subjects such as malnutrition in hospitalized children, chronic cough and sleep-related respiratory disorders, failure to thrive with micronutrient deficiencies, and immune-related liver and gastrointestinal disease.

Her contributions to research support the development of more precise diagnostic frameworks, improved treatment protocols, and stronger nutritional health strategies in pediatric practice globally. Dr. Altuntaş continues to participate in national and international academic collaborations, ensuring that her patients benefit from the most current and scientifically validated approaches to pediatric gastroenterology.

Through her dual commitment to research excellence and clinical compassion, she exemplifies the mission of İstinye University Hospital Liv Hospital: scientific medicine delivered with human understanding.

Research and Publications:

  • Ilarslan NEC, Gunay F, Haskologlu ZS, Bal SK, Tezcaner ZC, Kirsaclioglu CT, Firat S, Altuntas C, Ciftci B, Ozgursoy OB, Cobanoglu N. Evaluation of children with chronic cough including obstructive sleep apnea: a single-center experience. Eur J Pediatr. 2018 Oct 31. doi: 10.1007/s00431-018-3276-x.
  • Beser OF, Cokugras FC, Erkan T, Kutlu T, Yagci RV; TUHAMAR Study Group. Evaluation of malnutrition development risk in hospitalized children. Nutrition. 2018 Apr;48:40-47. doi: 10.1016/j.nut.2017.10.020.
  • Selbuz SK, Altuntaş C, Kansu A, Kırsaçlıoğlu CT, Kuloğlu Z, İlarslan NEÇ, Doğulu N, Günay F, Topçu S, Ulukol B. Assessment of cows milk-related symptom scoring awareness tool in young Turkish children. J Paediatr Child Health. 2020 Nov;56(11):1799-1805. doi: 10.1111/jpc.14921. Epub 2020 May 29. PMID: 32468665.
  • Selbuz S, Kırsaçlıoğlu CT, Kuloğlu Z, Yılmaz M, Penezoğlu N, Sayıcı U, Altuntaş C, Kansu A. Diagnostic Workup and Micronutrient Deficiencies in Children With Failure to Thrive Without Underlying Diseases. Nutr Clin Pract. 2019 Aug;34(4):581-588. doi: 10.1002/ncp.10229. Epub 2019 Jan 15. PMID: 30644589.
  • Kuloglu Z, Balcı D, Haskoloğlu Zş, Kendirli T, Bingöl-Koloğlu M, Tuna-Kırsaçlıoğlu C, Bal S, Selbuz S, Kırımker O, Savaş B, Altuntaş C, Güner şN, Can ÖS, Karayalçın K, Doğu F, Kansu Tanca A, İkincioğulları A. Allogeneic hematopoietic stem cell and liver transplantation in a young girl with dedicator of cytokinesis 8 protein deficiency. Pediatr Transplant. 2019 Nov;23(7):e13545. doi: 10.1111/petr.13545. Epub 2019 Jul 11. PMID: 31297914.

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