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[Organic hyperinsulinism. Clinical aspects--diagnosis--therapy]
F E Ulrich1, U Schneyer, J Hädecke
1Endokrinologische Abteilung, Martin-Luther-Universität Halle, Wittenberg.
Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete
|October 1, 1991
Summary
Diagnosing insulinoma involves measuring insulin and blood glucose levels to identify a specific ratio. Localizing the tumor is the main challenge, and surgery should only be done after successful tumor localization.
Area of Science:
- Endocrinology
- Oncology
- Clinical Medicine
Context:
- Insulinoma, a rare pancreatic neuroendocrine tumor, poses diagnostic challenges.
- Clinical management of 19 patients with insulinoma is detailed.
- Accurate diagnosis is crucial for effective patient care.
Purpose:
- To describe clinical experiences with insulinoma diagnosis and management.
- To highlight the diagnostic utility of insulin and blood glucose quotients.
- To emphasize the importance of tumor localization before surgical intervention.
Summary:
- Insulinoma diagnosis is facilitated by a pathognomonic insulin-to-blood glucose quotient during fasting and fasting tests.
- Stimulation tests offer limited additional clinical value.
- Tumor localization presents the primary diagnostic difficulty.
Impact:
- This study underscores the importance of specific biochemical markers in insulinoma diagnosis.
- It guides clinical practice by advising against surgery without confirmed tumor localization.
- Provides insights into the diagnostic pathway for insulinoma, aiding clinicians in patient management.