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Article detail · 2025

Multicenter Study on the Clinical Characteristics, Diagnosis, and Treatment Outcomes of Insulinoma: Insights From 15 Medical Centres.

Clinical endocrinology

YÖKSİS OpenAlex Open access · hybrid SJR Q2 JCR Q3 Citations 3 Percentile 85.4% FWCI 1.95
Year
2025
ISSN
0300-0664
Type
article

Data source split

  • YÖKSİS YÖKSİS article record
  • OpenAlex OpenAlex enrichment (abstract, citations, topics)

Abstract

English (OpenAlex)

OBJECTIVE: This study aimed to evaluate the clinical characteristics, diagnostic approaches, and treatment outcomes of insulinoma patients from diverse regions across the country. We conducted a retrospective analysis of medical records from 76 adult patients diagnosed with insulinoma between 2018 and 2023 at 15 medical centres. Data collected included demographics, presenting symptoms, laboratory and imaging results, surgical reports, pathology findings, and clinical follow-up information. DESIGN: Multi-centre retrospective study. METHODS: The study revealed that key factors such as age, BMI, symptom duration, tumour size, and follow-up period were similar across genders. The majority of patients experienced neuroglycopenic symptoms, particularly during fasting. Insulinoma was typically diagnosed either during fasting or spontaneously, with no significant gender differences in glucose and insulin levels during hypoglycemia. However, men exhibited higher C-peptide levels (p < 0.05). Common comorbidities included hypertension, hypothyroidism, and cardiovascular conditions, and some patients had been using antiepileptics or antidepressants before their diagnosis. RESULTS: Preoperative tumour diagnoses were largely accurate, with endoscopic ultrasound (EUS) being the most effective method. Most tumours were small ( < 2 cm) and located in the pancreas body, with the majority being solitary. Surgical treatments primarily involved enucleation or distal pancreatectomy. Follow-up data indicated high remission rates, with low rates of nonremission and mortality. CONCLUSION: This study emphasises that early diagnosis and intervention, particularly in patients with a history of neurological or psychiatric issues, postprandial symptoms, or rapid symptom improvement after treatment, can lead to significantly better outcomes.

Topics

  • Neuroendocrine Tumor Research Advances
  • Pancreatic and Hepatic Oncology Research
  • Pituitary Gland Disorders and Treatments

Primary topic Neuroendocrine Tumor Research Advances

Authors

  1. ŞENAY TOPSAKAL
  2. GÜZİN FİDAN YAYLALI
  3. ZELİHA YARAR
  4. FATMA AVCI MERDİN
  5. SEDA KARSLI
  6. SEMA ÇİFTÇİ
  7. MEHMET SERCAN ERTÜRK
  8. BARIŞ ÖNDER PAMUK
  9. AYŞE ÖZDEMİR YAVUZ
  10. KADER UĞUR
  11. Ogün bİLEN
  12. SAYİD SHAFİ ZUHUR
  13. İSMAİL ENGİN İSTANBUL BEYKENT ÜNİVERSİTESİ
  14. MEHMET GÜVEN
  15. FAZIL MUSTAFA CESUR
  16. SEVGÜL FAKI
  17. ŞEFİKA BURÇAK POLAT
  18. BEKİR ÇAKIR
  19. HATİCE ÖZIŞIK EGE ÜNİVERSİTESİ
  20. GÖKÇEN ÜNAL KOCABAŞ EGE ÜNİVERSİTESİ
  21. MEHMET ERDOĞAN EGE ÜNİVERSİTESİ
  22. ŞEVKİ ÇETİNKALP EGE ÜNİVERSİTESİ
  23. İLKCAN ÇERÇİ KOÇAR
  24. ESEN AKBAY
  25. EMİNE SEMA YARMAN