Pancreatic hamartoma presenting with sleep-related behavioral abnormalities due to neuroglycopenia: a case report
- 1Department of Neurology, The First People’s Hospital of Yunnan Province , ,
Abstract
Pancreatic hamartoma (PH) is an exceedingly rare benign non-neoplastic lesion of the pancreas. Owing to its nonspecific clinical and radiological features, it is prone to misdiagnosis. Among its various subtypes, functionally active pancreatic hamartomas with distinct endocrine activity have only been sporadically reported in the literature as individual cases. We report the case of a 58-year-old female patient whose initial presentation was characterized by paroxysmal behavioral abnormalities during nocturnal sleep, manifesting as sudden agitation, arm-flinging, and purposeless stereotyped movements after sleep onset. During these episodes, the patient exhibited a confusional state with subsequent complete amnesia for the events, a clinical phenotype highly suggestive of REM sleep behavior disorder (RBD) or frontal lobe epilepsy. In-hospital monitoring revealed refractory nocturnal hypoglycemia. Imaging studies identified a mass in the pancreatic tail, and the patient underwent laparoscopic distal pancreatectomy. Postoperative histopathological and immunohistochemical examination confirmed the diagnosis of pancreatic hamartoma, composed predominantly of islet cells (approximately 90%) with associated islet cell tumor-like hyperplasia. Following surgery, the patient’s nocturnal hypoglycemia and sleep-related behavioral abnormalities resolved completely.
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BibTeX
@article{dai2026pancreatic,
title = {{Pancreatic hamartoma presenting with sleep-related behavioral abnormalities due to neuroglycopenia: a case report}},
author = {Xin Dai and Lingchun Liu and Xueye Mao and Shan Li and Yixin Su and Qiang Meng},
journal = {Frontiers in oncology},
year = {2026},
month = oct,
doi = {10.3389/fonc.2026.1959029},
url = {https://europepmc.org/article/PMC/PMC13670924},
note = {CC BY},
}
RIS
TY - JOUR
TI - Pancreatic hamartoma presenting with sleep-related behavioral abnormalities due to neuroglycopenia: a case report
AU - Xin Dai
AU - Lingchun Liu
AU - Xueye Mao
AU - Shan Li
AU - Yixin Su
AU - Qiang Meng
PY - 2026
DA - 2026/10/01
JO - Frontiers in oncology
DO - 10.3389/fonc.2026.1959029
UR - https://europepmc.org/article/PMC/PMC13670924
AB - Pancreatic hamartoma (PH) is an exceedingly rare benign non-neoplastic lesion of the pancreas. Owing to its nonspecific clinical and radiological features, it is prone to misdiagnosis. Among its various subtypes, functionally active pancreatic hamartomas with distinct endocrine activity have only been sporadically reported in the literature as individual cases. We report the case of a 58-year-old female patient whose initial presentation was characterized by paroxysmal behavioral abnormalities during nocturnal sleep, manifesting as sudden agitation, arm-flinging, and purposeless stereotyped movements after sleep onset. During these episodes, the patient exhibited a confusional state with subsequent complete amnesia for the events, a clinical phenotype highly suggestive of REM sleep behavior disorder (RBD) or frontal lobe epilepsy. In-hospital monitoring revealed refractory nocturnal hypoglycemia. Imaging studies identified a mass in the pancreatic tail, and the patient underwent laparoscopic distal pancreatectomy. Postoperative histopathological and immunohistochemical examination confirmed the diagnosis of pancreatic hamartoma, composed predominantly of islet cells (approximately 90%) with associated islet cell tumor-like hyperplasia. Following surgery, the patient’s nocturnal hypoglycemia and sleep-related behavioral abnormalities resolved completely.
SN - 2234-943X
ER -