25 March 2026
: Case report 
Adult-Onset Nesidioblastosis: A Challenging Diagnosis Revealed by Endoscopic Ultrasonography
Challenging differential diagnosis, Rare disease
Kristína Cmarková AEF 1, Peter Uhrík ADE 2*, Roman Kyčina EF 1, Lenka Nosáková DEG 2, Miroslav Pindura DEF 1, Martin Grajciar AEF 1, Michal Kalman DE 3, Peter Bánovčin EFG 2, Juraj Miklušica DE 1DOI: 10.12659/AJCR.951251
Am J Case Rep 2026; 27:e951251
Table 2 Diagnostic process according to the timeline.
| Diagnostic Test | Timeline |
|---|---|
| Fasting tests, laboratory tests | November 2021 |
| Endoscopic ultrasonography with fine needle aspiration biopsy | November 2021 |
| Computed tomography | November 2021 |
| Ga DOTATOC imaging examination | April 2022 |
| Magnetic resonance imaging | July 2022 |
| Laparoscopic resection of a small piece of the pancreatic tail | January 2023 |
| Distal pancreatectomy with splenectomy | February 2023 |
| DOTATOC – Gallium DOTA-D-Phe1-Tyr3-Octreotide. | |