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Tanaka Y, Watanabe K, Morita Y, Kobayashi Y. Multiple endocrine neoplasia in a sheep: insulinoma, adrenocortical carcinoma with myxoid differentiation, and thyroid C-cell carcinoma. J Vet Diagn Invest 2023; 35:433-437. [PMID: 37148257 PMCID: PMC10331389 DOI: 10.1177/10406387231168096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023] Open
Abstract
An ~10-y-old male sheep had anorexia and progressive weight loss for ~1 mo. The sheep was emaciated, and 20 d later, became recumbent and lethargic, and was hypoglycemic (0.33 mmol/L; RI: 2.6-4.4 mmol/L). The sheep was euthanized because of poor prognosis, and submitted for autopsy. We found no gross lesions in the pancreas; however, histologically, focal proliferations of round-to-polygonal cells were separated by connective tissue into small nests. These proliferating cells, which had abundant eosinophilic-to-amphophilic cytoplasm and hyperchromatic nuclei, were immunopositive for insulin and negative for glucagon and somatostatin; the lesion was diagnosed as an insulinoma. Insulinoma has not been reported previously in sheep, to our knowledge. In addition, autopsy and histologic examination revealed the presence of an adrenocortical carcinoma with myxoid differentiation and a thyroid C-cell carcinoma. Our case indicates that multiple endocrine neoplasms can occur in sheep, as in other animal species.
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Affiliation(s)
- Yusuke Tanaka
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Kenichi Watanabe
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Yasuhiro Morita
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Yoshiyasu Kobayashi
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
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Dieterle MP, Husari A, Prozmann SN, Wiethoff H, Stenzinger A, Röhrich M, Pfeiffer U, Kießling WR, Engel H, Sourij H, Steinberg T, Tomakidi P, Kopf S, Szendroedi J. An Uncommon Cause of Recurrent Presyncope, Dizziness, and Tachycardia: A Case Report of Diffuse, Adult-Onset Nesidioblastosis/Non-Insulinoma Pancreatogenous Hypoglycemia Syndrome (NIPHS). Biomedicines 2023; 11:1741. [PMID: 37371836 DOI: 10.3390/biomedicines11061741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
Neurovegetative and autonomic symptoms are common presentations of various diseases, ranging from psychosomatic to severe organic disorders. A 23-year-old man presented with a history of recurrent presyncope, dizziness, and tachycardia. Repeated diagnostic work-up in various clinical settings could not identify any definite cause for approximately eight years. However, the incidental detection of postprandial and exercise-induced hypoglycemia was suggestive of an insulin-related disorder. A 72 h plasma glucose fasting test revealed endogenous hyperinsulinism. Upon imaging studies, no tumor mass potentially indicating insulinoma could be detected. 68Ga-DOTA-Exendin-4 PET/CT showed diffuse tracer enrichment throughout the whole pancreas. A subtotal pancreatectomy was performed, and the diagnosis of diffuse, adult-onset nesidioblastosis was established histopathologically. This corresponds to the clinical findings of a functional β-cell disorder, also known as non-insulinoma pancreatogenous hypoglycemia syndrome (NIPHS). After nine months, the symptoms recurred, making complete pancreatectomy necessary. Postoperative laboratory evaluation exhibited no residual endogenous C-peptide production. This case illustrates the diagnostic challenges in patients presenting with unspecific, neurovegetative and autonomic symptoms with a severe and rare underlying cause.
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Affiliation(s)
- Martin Philipp Dieterle
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Ayman Husari
- Center for Dental Medicine, Department of Orthodontics, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Sophie Nicole Prozmann
- Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Hendrik Wiethoff
- Institute of Pathology, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Albrecht Stenzinger
- Institute of Pathology, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Manuel Röhrich
- Department of Nuclear Medicine, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Uwe Pfeiffer
- Pfalzklinikum for Psychiatry and Neurology AdÖR, Weinstr. 100, 76889 Klingenmünster, Germany
| | | | - Helena Engel
- Cancer Immune Regulation Group, German Cancer Research Center, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Harald Sourij
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, 8010 Graz, Austria
- Interdisciplinary Metabolic Medicine Trials Unit, Medical University of Graz, 8036 Graz, Austria
| | - Thorsten Steinberg
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Pascal Tomakidi
- Center for Dental Medicine, Division of Oral Biotechnology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Stefan Kopf
- Department of Internal Medicine I and Clinical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany
| | - Julia Szendroedi
- Department of Internal Medicine I and Clinical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany
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3
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Dieterle MP, Husari A, Prozmann SN, Wiethoff H, Stenzinger A, Röhrich M, Pfeiffer U, Kießling WR, Engel H, Sourij H, Steinberg T, Tomakidi P, Kopf S, Szendroedi J. Diffuse, Adult-Onset Nesidioblastosis/Non-Insulinoma Pancreatogenous Hypoglycemia Syndrome (NIPHS): Review of the Literature of a Rare Cause of Hyperinsulinemic Hypoglycemia. Biomedicines 2023; 11:1732. [PMID: 37371827 DOI: 10.3390/biomedicines11061732] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Differential diagnosis of hypoglycemia in the non-diabetic adult patient is complex and comprises various diseases, including endogenous hyperinsulinism caused by functional β-cell disorders. The latter is also designated as nesidioblastosis or non-insulinoma pancreatogenous hypoglycemia syndrome (NIPHS). Clinically, this rare disease presents with unspecific adrenergic and neuroglycopenic symptoms and is, therefore, often overlooked. A combination of careful clinical assessment, oral glucose tolerance testing, 72 h fasting, sectional and functional imaging, and invasive insulin measurements can lead to the correct diagnosis. Due to a lack of a pathophysiological understanding of the condition, conservative treatment options are limited and mostly ineffective. Therefore, nearly all patients currently undergo surgical resection of parts or the entire pancreas. Consequently, apart from faster diagnosis, more elaborate and less invasive treatment options are needed to relieve the patients from the dangerous and devastating symptoms. Based on a case of a 23-year-old man presenting with this disease in our department, we performed an extensive review of the medical literature dealing with this condition and herein presented a comprehensive discussion of this interesting disease, including all aspects from epidemiology to therapy.
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Affiliation(s)
- Martin Philipp Dieterle
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Ayman Husari
- Department of Orthodontics, Center for Dental Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Sophie Nicole Prozmann
- Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Hendrik Wiethoff
- Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Albrecht Stenzinger
- Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Manuel Röhrich
- Department of Nuclear Medicine, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Uwe Pfeiffer
- Pfalzklinikum for Psychiatry and Neurology AdÖR, Weinstr. 100, 76889 Klingenmünster, Germany
| | | | - Helena Engel
- Cancer Immune Regulation Group, German Cancer Research Center, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Harald Sourij
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, 8010 Graz, Austria
- Interdisciplinary Metabolic Medicine Trials Unit, Medical University of Graz, 8010 Graz, Austria
| | - Thorsten Steinberg
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Pascal Tomakidi
- Division of Oral Biotechnology, Center for Dental Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetterstr. 55, 79106 Freiburg, Germany
| | - Stefan Kopf
- Department of Internal Medicine I and Clinical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany
| | - Julia Szendroedi
- Department of Internal Medicine I and Clinical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany
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Hayashida R, Tsuchiya K, Sekine T, Momose T, Sato F, Sakurada M, Nishida K, Hayashi T, Morita Y, Okada H, Fukushima N, Yamada T, Tsujino M. A Clinical Case of Insulinoma Presenting with Postprandial Hypoglycemia in a Patient with a History of Gastric Bypass Surgery. Intern Med 2022; 61:1189-1195. [PMID: 34645754 PMCID: PMC9107972 DOI: 10.2169/internalmedicine.7428-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 08/23/2021] [Indexed: 11/06/2022] Open
Abstract
A 61-year-old man with a history of total gastrectomy for cancer with Roux-en-Y reconstruction showed severe postprandial hypoglycemia accompanied by endogenous hyperinsulinemia. Abdominal ultrasonography and contrast-enhanced computed tomography showed no abnormal findings in the pancreas. A selective arterial secretagogue injection test showed the marked induction of serum immunoreactive insulin when calcium was injected into the splenic artery. A pathological analysis following distal pancreatectomy with splenectomy revealed a pancreatic neuroendocrine microadenoma containing insulin-producing cells in the resected pancreas. This case highlights the importance of carefully evaluating refractory and severe hypoglycemia in patients with a history of gastric surgery to exclude insulinoma.
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Affiliation(s)
- Ryosuke Hayashida
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
- Department of Diabetes and Endocrinology, University of Yamanashi Hospital, Japan
| | - Kyoichiro Tsuchiya
- Department of Diabetes and Endocrinology, University of Yamanashi Hospital, Japan
| | - Tetsuo Sekine
- Department of Diabetes and Endocrinology, University of Yamanashi Hospital, Japan
| | - Takashi Momose
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Fuminori Sato
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Maya Sakurada
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Kenji Nishida
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Tatsuya Hayashi
- Department of Gastrointestinal and General Surgery, Tokyo Metropolitan Tama Medical Center, Japan
| | - Yasuhiro Morita
- Department of Gastrointestinal and General Surgery, Tokyo Metropolitan Tama Medical Center, Japan
| | - Haruka Okada
- Department of Pathology, Tokyo Metropolitan Tama Medical Center, Japan
| | | | - Tetsuya Yamada
- Department of Molecular Endocrinology and Metabolism, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Motoyoshi Tsujino
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
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Doi S, Yamada T, Kito Y, Obara S, Fujii Y, Nishimura T, Kato T, Nakayama H, Tsutsumi M, Okamura R. Adult-Onset Focal Nesidioblastosis With Nodular Formation Mimicking Insulinoma. J Endocr Soc 2022; 6:bvab185. [PMID: 35024540 PMCID: PMC8743044 DOI: 10.1210/jendso/bvab185] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Indexed: 11/21/2022] Open
Abstract
Nesidioblastosis is defined as the neoformation of the islets of Langerhans from the pancreatic ductal epithelium and is recognized as the most common cause of hyperinsulinemic hypoglycemia in infants. We herein report an extremely rare case of adult-onset focal nesidioblastosis with the unusual feature of hyperplastic nodular formation. A 55-year-old woman was admitted to our hospital for a tumor detected in the body of the pancreas by magnetic resonance imaging screening. Laboratory examinations showed a high insulin level in the blood. Contrast-enhanced computed tomography and the selective arterial calcium injection test suggested the presence of multiple insulinomas in the body and tail of the pancreas, and, thus, the patient underwent distal pancreatectomy. A histopathological examination of the tumor in the body of the pancreas showed the nodular hyperplasia of islet-like cell clusters. In addition, many small intralobular ductules and islet cells appeared to be budding from the proliferating ductal epithelium, forming “ductuloinsular complexes”. No other abnormal lesion was detected in the remainder of the pancreas. The histopathological diagnosis was focal nesidioblastosis. The patient has remained free of the recurrence of hypoglycemic episodes for more than 31 months. The present case of rare adult-onset focal nesidioblastosis with hyperplastic nodular formation was preoperatively identified as an apparent pancreatic tumor mimicking insulinoma. Nesidioblastosis and insulinoma need to be considered in cases of hyperinsulinemic hypoglycemia, even in adult patients.
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Affiliation(s)
- Shunsuke Doi
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Takatsugu Yamada
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Yoshinori Kito
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Shinsaku Obara
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Yusuke Fujii
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Takao Nishimura
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Tatsushi Kato
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Hiroyuki Nakayama
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
| | - Masahiro Tsutsumi
- Department of Pathology, Saiseikai Chuwa Hospital, Nara 633-0054, Japan
| | - Ryuji Okamura
- Department of Surgery, Yamatotakada Municipal Hospital, Nara 635-8501, Japan
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Abstract
Pancreatic neuroendocrine neoplasms (Pan-NENs) are rare but clinically important lesions. Pan-NENs are known for and often categorized by their capacity to produce clinical syndromes mediated by the production of hormones. Despite sometimes presenting dramatically from excessive hormone production, not all Pan-NENs produce functional hormone, and they can pose diagnostic challenges to practicing pathologists. Distinguishing Pan-NENs from mimics can be crucial, because Pan-NENs carry different prognoses and have unique treatments available due to their specific biological properties. This article reviews the current categorization and features of Pan-NENs.
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Affiliation(s)
- J N Rosenbaum
- Department of Surgical Pathology, University of Wisconsin Hospital and Clinics, Room A4/204-3224, 600 Highland Ave., Madison, WI 53792-3224, USA
| | - Ricardo Vincent Lloyd
- Department of Surgical Pathology, University of Wisconsin Hospital and Clinics, Room A4/204-3224, 600 Highland Ave., Madison, WI 53792-3224, USA.
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Chen PY, Wu TJ, Ou HY, Li MC, Hu SC, Huang SM. Applying intraoperative insulin level monitoring for tumor removal in a patient with recurrent pancreatic multiple insulinomas. J Formos Med Assoc 2011; 110:410-4. [PMID: 21741010 DOI: 10.1016/s0929-6646(11)60060-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2008] [Revised: 01/19/2009] [Accepted: 04/15/2009] [Indexed: 11/26/2022] Open
Affiliation(s)
- Pei-Yin Chen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tainan, Taiwan
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Vanderveen KA, Grant CS, Thompson GB, Farley DR, Richards ML, Vella A, Vollrath B, Service FJ. Outcomes and quality of life after partial pancreatectomy for noninsulinoma pancreatogenous hypoglycemia from diffuse islet cell disease. Surgery 2011; 148:1237-45; discussion 1245-6. [PMID: 21134557 DOI: 10.1016/j.surg.2010.09.027] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2010] [Accepted: 09/16/2010] [Indexed: 01/11/2023]
Abstract
BACKGROUND Noninsulinoma pancreatogenous hypoglycemia (NIPH) is a rare cause of hypoglycemia, especially affecting postbariatric surgery patients, related to excessive insulin secretion. Partial pancreatectomy controls hypoglycemia in the early postoperative period; however, multiple patients have experienced symptomatic relapse. The study goal was to assess frequency and severity of recurrent symptoms in operated patients. METHODS All patients who underwent pancreatic resection for NIPH at Mayo Clinic from January 1996 through December 2008 were reviewed for demographics, preoperative testing, operative and postoperative details. Data from patient records, mail survey, European Quality of Life Survey (EQ-5D), and Fear of Hypoglycemia Scale (FOHS) were used to assess outcome. RESULTS Seventy-five patients underwent pancreatic resection for NIPH (5 dead, 1 incarcerated). 48 patients (70%) completed the survey; mean follow-up, 53 months. Median time to recurrent symptoms was 16 months in 41 patients (87%). Despite symptom recurrence, 36 patients (75%) reported overall improvement in symptoms and quality of life (QOL); median EQ-5D health scores increased from 40 to 75 out of 100 (P < .001). Moreover, they reported marked reduction in psychologic stress and hypoglycemic symptoms with greater than 50% decrease in FOHS overall, worry, and behavioral median scores (P < .001). Overall, half of the patients were classified as highly/moderately surgically successful, whereas the other half was minimally successful or surgical failures. CONCLUSION Although nearly 90% of NIPH patients reported recurrent symptoms suggestive of hypoglycemia, a majority reported improvements in QOL and marked reduction in other symptoms after pancreatic resection. Nevertheless, 25% of patients experienced no benefit from partial pancreatectomy.
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Bränström R, Berglund E, Curman P, Forsberg L, Höög A, Grimelius L, Berggren PO, Mattsson P, Hellman P, Juntti-Berggren L. Electrical short-circuit in β-cells from a patient with non-insulinoma pancreatogenous hypoglycemic syndrome (NIPHS): a case report. J Med Case Rep 2010; 4:315. [PMID: 20863385 PMCID: PMC2955623 DOI: 10.1186/1752-1947-4-315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2009] [Accepted: 09/23/2010] [Indexed: 11/17/2022] Open
Abstract
Introduction Non-insulinoma pancreatogenous hypoglycemic syndrome is a rare disorder among adults, and, to our knowledge, only about 40 cases have been reported in the literature. Case presentation The patient is a previously healthy 35-year-old Caucasian man. His symptoms began four years ago when he suddenly felt weakness in his legs and started sweating for unknown reasons. The symptoms worsened, and laboratory tests revealed hypoglycemia and hyperinsulinemia at the time of the symptoms. All diagnostics attempts using magnetic resonance imaging, computed tomography, and endoscopic ultrasound did not reveal any abnormalities. At this stage, surgical intervention was planned, and a distal 80% pancreatectomy was performed. The histopathologic and immunohistochemical investigations of the pancreas showed an increased number of islets of different sizes, more or less evenly distributed in the gland, but no insulinoma. Patch-clamp recordings from isolated pancreatic β-cells showed that, even at a low glucose concentration (3 mmol/L), the β-cell membrane was depolarized, and action potentials were seen. Surprisingly, in patch-clamp experiments, the addition of diazoxide had a marked effect on K-ATP channel activity and membrane potential, but no effect on insulin levels in vivo before surgery. Conclusion This case report adds new information on the pathogenesis of non-insulinoma pancreatogenous hypoglycemic syndrome, as we performed an electrophysiologic characterization of isolated islet cells. We show, for the first time, that β-cells isolated from a non-insulinoma pancreatogenous hypoglycemic syndrome patient are constantly depolarized, even at low glucose levels, but display normal K-ATP channel physiology.
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Affiliation(s)
- Robert Bränström
- The Rolf Luft Research Center for Diabetes and Endocrinology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
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Bernard B, Kline GA, Service FJ. Hypoglycaemia following upper gastrointestinal surgery: case report and review of the literature. BMC Gastroenterol 2010; 10:77. [PMID: 20615254 PMCID: PMC2914776 DOI: 10.1186/1471-230x-10-77] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2009] [Accepted: 07/08/2010] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hyperinsulinemic hypoglycemia is relatively recently recognized in persons undergoing bariatric surgery although knowledge and experience with this condition may not be commensurate with the number of such procedures being performed globally. This paper presents a novel case as an example of how such patients may present and how they may be investigated. CASE PRESENTATION A 69-year-old man was assessed 3 months post-fundoplication surgery for postprandial hypoglycaemia with neuroglycopenia that became progressively severe. A 72-h fast failed to show hypoglycaemia. During a clinic visit, the patient became confused and had a low plasma glucose, high plasma insulin, and high plasma C-peptide; symptoms were relieved with glucose. No tumours were visualized on CT, MRI, or endoscopic ultrasound. A total body Indium111-octreotide scan was negative. Selective arterial calcium stimulation showed a high insulin gradient in the splenic and superior mesenteric arteries, suggesting diffuse pancreatic beta cell hyperplasia. The patient declined pancreatic resection and recurrent symptomatic hypoglycaemia was successfully prevented with low dose octreotide. CONCLUSIONS Although increasingly recognized following bariatric surgery, this is the first reported development of NIPHS (non-insulinoma pancreatogenous hypoglycemia syndrome) following fundoplication surgery, as well as the first documented use of octreotide in post-operative NIPHS. Medical management may be an alternative to surgery for patients with this rare condition.
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Affiliation(s)
- Brandon Bernard
- Division of Endocrinology, Faculty of Medicine, University of Calgary, Calgary, Alberta Canada
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11
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Nesidioblastosis as a cause of focal pancreatic 111In-pentetreotide uptake in a patient with putative VIPoma: another differential diagnosis. Ann Nucl Med 2009; 23:497-9. [DOI: 10.1007/s12149-009-0252-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2008] [Accepted: 02/13/2009] [Indexed: 10/20/2022]
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Kapoor RR, James C, Hussain K. Advances in the diagnosis and management of hyperinsulinemic hypoglycemia. ACTA ACUST UNITED AC 2009; 5:101-12. [PMID: 19165222 DOI: 10.1038/ncpendmet1046] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Accepted: 11/12/2008] [Indexed: 12/16/2022]
Abstract
Hyperinsulinemic hypoglycemia (HH) is a consequence of unregulated insulin secretion by pancreatic beta-cells and is a major cause of hypoglycemic brain injury and mental retardation. Congenital HH is caused by mutations in genes involved in regulation of insulin secretion, seven of which have been identified (ABCC8, KCNJ11, GLUD1, CGK, HADH, SLC16A1 and HNF4A). Severe forms of congenital HH are caused by mutations in ABCC8 and KCNJ11, which encode the two components of the pancreatic beta-cell ATP-sensitive potassium channel. Mutations in HNF4A, GLUD1, CGK, and HADH lead to transient or persistent HH, whereas mutations in SLC16A1 cause exercise-induced HH. Rapid genetic analysis combined with an understanding of the histological features (focal or diffuse disease) of congenital HH and the introduction of (18)F-L-3,4-dihydroxyphenylalanine PET-CT to guide laparoscopic surgery have totally transformed the clinical approach to this complex disease. Adult-onset HH is mostly caused by an insulinoma; however, it has also been reported to present as postprandial HH in patients with noninsulinoma pancreatogenous hypoglycemia syndrome, in those who have undergone gastric-bypass surgery for morbid obesity, and in those with mutations in the insulin-receptor gene.
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Affiliation(s)
- Ritika R Kapoor
- Institute of Child Health, University College London and Great Ormond Street Hospital for Children National Health Services Trust, London, UK
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13
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Kovács E, Németh H, Pásztor E, Pfliegler G. [Hyperinsulinemic hypoglycemia in adults. Case reports and a short review]. Orv Hetil 2008; 149:1659-64. [PMID: 18713705 DOI: 10.1556/oh.2008.28399] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
UNLABELLED Persistent hyperinsulinemic hypoglycemia (nesidioblastosis) not caused by an insulinoma is rare in adults. Morphologically no insulin secreting tumor is present. Keystones of diagnosis are not only low glucose levels but to maintain normoglycemia by use of intravenous glucose and the presence of high insulin and C-peptide levels. Noninvasive and invasive diagnostic techniques are required to rule out a hormone secreting tumor. Both conservative and/or surgical therapy are suggested to prevent damaging effects of repeated hypoglycemia. CASE REPORT Two patients with frequent and serious episodes of hypoglycemia are reported. In the 34-year-old female symptoms appeared with sweating, dizziness, trembling, nervousness and serious neuroglycopenic signs. In the 22-year-old male the main complaint was tympany, a rare and unusual sign of hypoglycemia, and intense feeling of esurience. The 24-hour fasting test was positive in both cases, i.e. it had to be stopped because of symptomatic hypoglycemia. No insulinoma could be localized, despite extensive search, therefore in both cases the diagnosis of adult-onset nesidioblastosis was set up, despite lack of histological confirmation. Diazoxide therapy resulted in symptom-free life for both patients. CONCLUSION Several diagnostic methods and treatment options are suggested for the rare disease nesidioblastosis to balance defective insulin secretion. However, once the decision is made in favour of surgical therapy, there is a thin line between successful treatment, persistence of the disease, and pancreatic insufficiency. Therefore it is worth considering to try conservative therapy especially when surgery is of high risk. Our cases suggest that diazoxide therapy is an effective and safe alternative in the treatment of adult-onset nesidioblastosis.
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Affiliation(s)
- Erzsébet Kovács
- Debreceni Egyetem, Orvos- és Egészségtudományi Centrum, Belgyógyászati Intézet, II. Belgyógyászati Klinika, Ritka Betegségek Tanszék, Debrecen
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14
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Hong R, Choi DY, Lim SC. Hyperinsulinemic hypoglycemia due to diffuse nesidioblastosis in adults: a case report. World J Gastroenterol 2008; 14:140-2. [PMID: 18176978 PMCID: PMC2673380 DOI: 10.3748/wjg.14.140] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Persistent hyperinsulinemic hypoglycemia is caused most commonly by an insulinoma in adults or by nesidioblastosis in neonates. In adults, nesidioblastosis is a rare disorder characterized by diffuse or disseminated proliferation of islet cells. We recently encountered a case of nesidioblastosis in an adult. A 71-year-old man was admitted due to intermittent general weakness, abdominal pain, and mild dyspnea. The patient underwent a subtotal gastrectomy for a gastric adenocarcinoma two years ago. After 5 d of admission, the patient showed symptoms of cold sweating, chilling, and hypotension 30 min after eating. Thereafter, he frequently showed similar symptoms accounting for hypoglycemia regardless of food consumption. Laboratory findings revealed a low fasting blood glucose level (25 mg/dL), and a high insulin level (47 muIU/mL). Selective intra-arterial calcium stimulation with hepatic venous sampling (ASVS) was performed to localize a mass and revealed an increased insulin level about four-fold that of the normal fasting level at 60 s in the splenic artery, which suggested the presence of an insulinoma in the tail of pancreas. A distal pancreatectomy was performed. Neither intraoperative exploration nor a frozen biopsy specimen detected any mass-forming lesion. On the histological examination, many of the islets were enlarged and irregularly shaped in all specimens, the arrangement of which was a lobulated islet pattern. Cytologically, a considerable subpopulation of endocrine cells showed enlarged and hyperchromatic nuclei. By immunohistochemistry, the cells were identified as beta-cells. These clinical, radiological, microscopic and immuno-histochemical findings are consistent with diffuse nesidioblastosis in adults.
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Affiliation(s)
- Ran Hong
- Department of Pathology, Chosun University Hospital, 588, Seosuk-dong, Dong-gu, Gwangju, Korea
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Kauhanen S, Seppänen M, Minn H, Gullichsen R, Salonen A, Alanen K, Parkkola R, Solin O, Bergman J, Sane T, Salmi J, Välimäki M, Nuutila P. Fluorine-18-L-dihydroxyphenylalanine (18F-DOPA) positron emission tomography as a tool to localize an insulinoma or beta-cell hyperplasia in adult patients. J Clin Endocrinol Metab 2007; 92:1237-44. [PMID: 17227804 DOI: 10.1210/jc.2006-1479] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT AND OBJECTIVE Fluorine-18-L-dihydroxyphenylalanine (18F-DOPA) positron emission tomography (PET) is a promising method in localizing neuroendocrine tumors. Recently, it has been shown to differentiate focal forms of congenital hyperinsulinism of infancy. The current study was set up to determine the potential of 18F-DOPA PET in identifying the insulin-secreting tumors or beta-cell hyperplasia of the pancreas in adults. PATIENTS AND METHODS We prospectively studied 10 patients with confirmed hyperinsulinemic hypoglycemia and presumed insulin-secreting tumor using 18F-DOPA PET. Anatomical imaging was performed with computed tomography (CT) and magnetic resonance imaging (MRI). All patients were operated on, and histological verification was available in each case. Semiquantitative PET findings in the pancreas using standardized uptake values were compared to standardized uptake values of seven consecutive patients with nonpancreatic neuroendocrine tumors. RESULTS By visual inspection of 18F-DOPA PET images, it was possible in nine of 10 patients to localize the pancreatic lesion, subsequently confirmed by histological analysis. 18F-DOPA uptake was enhanced in six of seven solid insulinomas and in the malignant insulinoma and its hepatic metastasis. Two patients with beta-cell hyperplasia showed increased focal uptake of 18F-DOPA in the affected areas. As compared to CT or MRI, 18F-DOPA PET was more sensitive in localizing diseased pancreatic tissue. CONCLUSION 18F-DOPA PET was useful in most patients with insulinoma and negative CT, MRI, and ultrasound results. In agreement with previous findings in infants, preoperative 18F-DOPA imaging seems to be a method of choice for the detection of beta-cell hyperplasia in adults. It should be considered for the detection of insulinoma or beta-cell hyperplasia in patients with confirmed hyperinsulinemic hypoglycemias when other diagnostic work-up is negative.
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Affiliation(s)
- Saila Kauhanen
- Turku PET Centre, Department of Surgery, Turku University Hospital, P.O. Box 52, FIN-20521 Turku, Finland
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