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Soltani A, Salimi M, Nemati M, Mirshamsi A. Recurrent gastric intramural pseudocyst: A case report and comprehensive literature review of reported cases. Radiol Case Rep 2024; 19:5429-5441. [PMID: 39285981 PMCID: PMC11403908 DOI: 10.1016/j.radcr.2024.08.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2024] [Revised: 08/07/2024] [Accepted: 08/10/2024] [Indexed: 09/19/2024] Open
Abstract
Intramural gastric pseudocysts are extremely rare and are often associated with pancreatitis and pancreatic pseudocysts; they can lead to complex clinical presentations requiring careful diagnosis and management. We present a case of a 57-year-old man with a history of pancreatitis and pancreatic pseudocysts who was diagnosed with intramural gastric pseudocysts. The patient was diagnosed with multiple gastric intramural pseudocysts at different locations during separate admissions and imaging studies. This indicates a recurrence of gastric intramural pseudocysts. In these cases, studies rarely discuss recurrence and its underlying causes. This highlights a significant gap in the existing literature. To provide a broader understanding, we reviewed the literature by searching major databases (PubMed, Scopus, and Web of Science) and then extracted and analyzed data from 18 articles, reaching 24 similar cases. Of the 25 patients studied (including our case), 92% were male and 8% were female. Cases had a mean age of 47.68 ± 14.82 years. Additionally, 84% of the patients had a history of alcohol consumption, and 88% had a positive history of pancreatitis. Common symptoms were abdominal pain (especially in the epigastric region), vomiting, nausea, and weight loss. In conclusion, results showed that intramural gastric pseudocysts generally occur in middle-aged men with a history of chronic or heavy alcohol consumption and pancreatitis.
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Affiliation(s)
- Amirhossein Soltani
- Department of Radiology, Shiraz University of Medical Sciences, Shiraz, Iran
- Medical Imaging Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohsen Salimi
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Nemati
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Mirshamsi
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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2
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Sun K, Wang Y, Shi R, Wu S, Wang X. An ensemble machine learning model assists in the diagnosis of gastric ectopic pancreas and gastric stromal tumors. Insights Imaging 2024; 15:225. [PMID: 39320559 PMCID: PMC11424595 DOI: 10.1186/s13244-024-01809-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 08/29/2024] [Indexed: 09/26/2024] Open
Abstract
OBJECTIVE To develop an ensemble machine learning (eML) model using multiphase computed tomography (MPCT) for distinguishing between gastric ectopic pancreas (GEP) and gastric stromal tumors (GIST) in lesions < 3 cm. METHODS In this study, we retrospectively collected MPCT images from 138 patients between April 2017 and June 2023 across two centers. Cohort 1 comprised 94 patients divided into a training cohort and an internal validation cohort, while the 44 patients from Cohort 2 constituted the external validation cohort. Deep learning (DL) models were constructed based on the lesion region, and radiomics features were extracted to develop radiomics models, which were later integrated into the fusion model. Model performance was assessed through the analysis of the area under the receiver operating characteristic curve (AUROC). The diagnostic efficacy of the optimal model was compared with that of a radiologist. Additionally, the radiologist with the assistance of the eML model provides a secondary diagnosis, to assess the potential clinical value of the model. RESULTS After evaluation using an external validation cohort, the radiomics model demonstrated the highest performance in the venous phase, achieving AUROC of 0.87. The DL model showed optimal performance in the non-contrast phase, with AUROC of 0.81. The eML achieved the best performance across all models, with AUROC of 0.90. The use of eML-assisted analysis resulted in a significant improvement in the junior radiologist's accuracy, rising from 0.77 to 0.93 (p < 0.05). However, the senior radiologist's accuracy, while improving from 0.86 to 0.95, did not exhibit a statistically significant difference. CONCLUSION eML model based on MPCT can effectively distinguish between GEPs and GISTs < 3 cm. CRITICAL RELEVANCE STATEMENT The multiphase CT-based fusion model, incorporating radiomics and DL technology, proves effective in distinguishing between GEP and gastric stromal tumors, serving as a valuable tool to enhance diagnoses and offering references for clinical decision-making. KEY POINTS No studies yet differentiated these tumors via radiomics or DL. Radiomics and DL methodologies unveil potentially distinct phenotypes within lesions. Quantitative analysis on CT for GIST and ectopic pancreas. Ensemble learning aids accurate diagnoses, assisting treatment decisions.
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Affiliation(s)
- Kui Sun
- Department of General Surgery, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | - Ying Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, No. 324, Jinan, 250021, China
- School of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
| | - Rongchao Shi
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Siyu Wu
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jing Wu Road, No. 324, Jinan, 250021, China
| | - Ximing Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, No. 324, Jinan, 250021, China.
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3
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Zhang YF, Zhao C, Zhu C, Liu L, Xiong Y. Endoscopic ultrasonic puncture combined with fenestration and drainage for gastric heterotopic pancreatic cyst. Asian J Surg 2024:S1015-9584(24)01828-1. [PMID: 39277470 DOI: 10.1016/j.asjsur.2024.08.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Accepted: 08/13/2024] [Indexed: 09/17/2024] Open
Affiliation(s)
- Ying Fu Zhang
- Endoscopic Diagnosis and Treatment Center, The First Central Hospital of Baoding, Hebei Province, 071000, China
| | - Chengguang Zhao
- Department of Gastroenterology, First People's Hospital of Suqian City, Jiangsu Province, No. 120 Suqian Avenue, Sucheng District, Suqian City, Jiangsu Province, 223800, China
| | - Chunying Zhu
- Department of Neuroscience Intensive Care Unit, The First Central Hospital of Baoding, Hebei Province, 071000, China
| | - Lu Liu
- Endoscopic Diagnosis and Treatment Center, The First Central Hospital of Baoding, Hebei Province, 071000, China
| | - Ying Xiong
- Endoscopic Diagnosis and Treatment Center, The First Central Hospital of Baoding, Hebei Province, 071000, China.
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4
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Barila Lompe P, Gine C, Laín A, Garcia-Martinez L, Diaz Hervas M, López M. Esophageal Atresia and Gastric Ectopic Pancreas: Is There a Real Association? Eur J Pediatr Surg 2024; 34:314-318. [PMID: 37437596 DOI: 10.1055/a-2127-5672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
OBJECTIVE Heterotopic pancreas (HP) is a condition in which there is well-differentiated pancreatic tissue that lacks any anatomic or vascular contact with the pancreatic gland. It normally arises from the stomach but can be found in other locations. Although it is usually asymptomatic, obstructive symptoms, bleeding, or malignant degeneration can occur. The incidence is very low, but it is significantly more common in patients with esophageal atresia (EA). The aim of this study is to evaluate the incidence of HP in patients with and without EA and to compare the results in both groups. MATERIAL AND METHODS We conducted a 2-year prospective study in pediatric patients who benefited from an upper gastrointestinal endoscopy. Patients were divided into two groups: group "A" comprised patients with EA and group "B" those without EA. The variables analyzed were the clinical presentation, presence of HP, location, associated malformations, genetic disorders, and management. RESULTS A total of 192 consecutive patients were included in the study: 51 (26.6%) in group A and 141 (73.4%) in group B. Indications for endoscopy in group B were eosinophilic esophagitis in 37 (19.2%) patients, celiac disease in 23 (11.95%) patients, and other disorders in 81 (42.2%) patients. Gastric HP was found in seven patients, all of them in group A. All lesions were hosted in the prepyloric antrum. The prevalence of HP in groups A and B was 13.7 and 0%, respectively (p < 0.05). Female gender was predominant in patients with AE and HP, this result being statistically significant (p = 0.044). No other associated malformation or genetic syndrome studied showed association with HP. Only one patient debuted with upper gastrointestinal (GI) bleeding and required excision, while six patients were asymptomatic. The mean follow-up was 54 months (range: 45-78 months). CONCLUSION The incidence of gastric HP is more common in patients with EA, with the female gender being a risk factor for their association. Active search and follow-up is recommended as it may become symptomatic anytime and need resection.
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Affiliation(s)
| | - Carlos Gine
- Department of Pediatric Surgery, Hospital Vall d'Hebron, Barcelona, Spain
| | - Ana Laín
- Department of Pediatric Surgery, Hospital Vall d'Hebron, Barcelona, Spain
| | | | - Maria Diaz Hervas
- Department of Pediatric Surgery, Hospital Vall d'Hebron, Barcelona, Spain
| | - Manuel López
- Department of Pediatric Surgery, Hospital Vall d'Hebron, Barcelona, Spain
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5
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Okamura K, Ishibashi E, Araki K, Kanasaki Y, Kodama K, Kanazawa A, Onuma H. Acute on chronic pancreatitis affecting the ectopic pancreas located in the jejunal mesentery: A case report. Acta Radiol Open 2024; 13:20584601241269617. [PMID: 39091590 PMCID: PMC11289796 DOI: 10.1177/20584601241269617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 06/13/2024] [Accepted: 07/01/2024] [Indexed: 08/04/2024] Open
Abstract
Ectopic pancreas within the mesentery is rare. In this case report, a 61-year-old man with an ectopic pancreas within the jejunal mesentery for over 20 years developed chronic pancreatitis that progressed to acute exacerbation. Our computed tomography (CT) performed for acute abdomen assessment suggested acute appendicitis or Meckel's diverticulitis. However, a CT scan taken 20 years ago revealed a structure indicative of an ectopic pancreas in the mesentery, and further imaging findings taken 10 and 4 years ago confirmed progression to chronic pancreatitis. Furthermore, we found a pancreatic stone confined in the luminal structure that corresponded to the main pancreatic duct; this stone eventually caused acute exacerbation. In summary, we report a case of mesenteric ectopic pancreas that showed typical findings of progression and acute exacerbation of chronic pancreatitis on CT.
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Affiliation(s)
- Kazuya Okamura
- Department of Radiology, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Emi Ishibashi
- Department of Radiology, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Kazumi Araki
- Department of Radiology, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Yoshiko Kanasaki
- Department of Radiology, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Koji Kodama
- Department of Radiology, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Akiyoshi Kanazawa
- Department of Gastrointestinal Surgery, Shimane Prefectural Central Hospital, Izumo, Japan
| | - Hideyuki Onuma
- Department of Diagnostic Pathology, Shimane Prefectural Central Hospital, Izumo, Japan
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6
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Smith SA, Savage J, Roetger N, Moar X. Chronic pancreatitis of jejunal ectopic pancreas: a rare cause of chronic abdominal pain. J Surg Case Rep 2024; 2024:rjae439. [PMID: 38962378 PMCID: PMC11221315 DOI: 10.1093/jscr/rjae439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Indexed: 07/05/2024] Open
Abstract
Ectopic pancreas (EP) is an uncommon, congenital focus of pancreatic tissue that is discontinuous with the principal pancreas. A 62-year-old female underwent multiple investigations for chronic epigastric pain. EP was identified intra-operatively. On retrospection, earlier imaging showed a thickened segment of jejunum with inflammation of the surrounding small bowel mesentery, suggestive of jejunal EP pancreatitis. Histology confirmed ectopic pancreatic tissue, with sections of the EP showing evidence of previous acute and chronic pancreatitis. When no cause for chronic abdominal pain is found, diagnostic laparoscopy should be considered, and the small bowel inspected, to further investigate for rare causes of abdominal pain, such as EP.
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Affiliation(s)
- Sonya Ann Smith
- Toowoomba Hospital, Pechey St, Toowoomba, Queensland 4350, Australia
- University of Queensland, 308 Queen St, Brisbane, Queensland 4072, Australia
| | - Jack Savage
- Toowoomba Hospital, Pechey St, Toowoomba, Queensland 4350, Australia
| | - Nicholas Roetger
- St Andrew’s Private Hospital, Radiology Department, 280 North St, Rockville, Queensland, 4350, Australia
| | - Xavier Moar
- Toowoomba Hospital, Pechey St, Toowoomba, Queensland 4350, Australia
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7
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Yang X, Liu C, Sun S, Dong C, Zhao S, Bokhary ZM, Liu N, Wu J, Ding G, Zhang S, Geng L, Liu H, Fu T, Gao X, Niu Q. Clinical features and treatment of heterotopic pancreas in children: a multi-center retrospective study. Pediatr Surg Int 2024; 40:141. [PMID: 38811418 PMCID: PMC11136705 DOI: 10.1007/s00383-024-05722-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/23/2024] [Indexed: 05/31/2024]
Abstract
OBJECTIVE Heterotopic pancreas, an uncommon condition in children, can present with diagnostic and treatment challenges. This study aimed to evaluate the clinical features and treatment options for this disorder in pediatric patients. METHODS We conducted a retrospective analysis, including patients diagnosed with heterotopic pancreas at four tertiary hospitals between January 2000 and June 2022. Patients were categorized into symptomatic and asymptomatic groups based on clinical presentation. Clinical parameters, including age at surgery, lesion size and site, surgical or endoscopic approach, pathological findings, and outcome, were statistically analyzed. RESULTS The study included 88 patients with heterotopic pancreas. Among them, 22 were symptomatic, and 41 were aged one year or younger. The heterotopic pancreas was commonly located in Meckel's diverticulum (46.59%), jejunum (20.45%), umbilicus (10.23%),ileum (7.95%), and stomach (6.82%). Sixty-six patients had concomitant diseases. Thirty-three patients had heterotopic pancreas located in the Meckel's diverticulum, with 80.49% of cases accompanied by gastric mucosa heterotopia (GMH). Patients without accompanying GMH had a higher prevalence of heterotopic pancreas-related symptoms (75%). Treatment modalities included removal of the lesions by open surgery, laparoscopic or laparoscopic assisted surgery, or endoscopic surgery based on patient's age, the lesion site and size, and coexisting diseases. CONCLUSIONS Only one-fourth of the patients with heterotopic pancreas presented with symptoms. Those located in the Meckel's diverticulum have commonly accompanying GMH. Open surgical, laparoscopic surgical or endoscopic resection of the heterotopic pancreas is recommended due to potential complications. Future prospective multicenter studies are warranted to establish rational treatment options.
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Affiliation(s)
- Xiaofeng Yang
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Chen Liu
- Department of Surgery, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Shuai Sun
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Chao Dong
- Department of General Surgery, Zibo Hospital of Shandong Yiyang Health Industry Development Group Co, Ltd, Zibo, China
| | - Shanshan Zhao
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Zaitun M Bokhary
- Department of Pediatric Surgery, Muhimbili National Hospital, Dar Es Salaam, Tanzania
| | - Na Liu
- Department of Pathology, Qilu Hospital of Shandong University Dezhou Hospital, Dezhou, China
| | - Jinghua Wu
- Department of Pediatric Surgery, Qilu Hospital of Shandong University Dezhou Hospital, Dezhou, China
| | - Guojian Ding
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Shisong Zhang
- Department of Pediatric Surgery, Children's Hospital Affiliated to Shandong University, Jinan, China
| | - Lei Geng
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China.
| | - Hongzhen Liu
- Department of Pediatric Surgery, Children's Hospital Affiliated to Shandong University, Jinan, China.
| | - Tingliang Fu
- Department of Pediatric Surgery, Binzhou Medical University Hospital, Binzhou, China.
| | - Xiangqian Gao
- Department of Pathology, Binzhou Medical University Hospital, Binzhou, China.
| | - Qiong Niu
- Department of Gastroenterology, Binzhou Medical University Hospital, Binzhou, China.
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Qi R, Li K, Shi B. Adenocarcinoma developing from gastric heterotopic pancreas: a case report and short review. Front Surg 2024; 11:1274389. [PMID: 38783861 PMCID: PMC11111919 DOI: 10.3389/fsurg.2024.1274389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 04/22/2024] [Indexed: 05/25/2024] Open
Abstract
Heterotopic pancreas is a relatively rare condition that may be associated to clinical complaints or signs. Here, we report a case of gastric heterotopic pancreas assictaed to ductal adenocarcinoma. Obstructive jaundice was the initial symptom prompting medical intervention. A 73-year-old male patient presented with yellow staining of the skin and sclera, and dull epigastric pain. Contrast-enhanced computed tomography showed stenosis of the extrahepatic distal bile duct and mass lesions of the antrum. The patient underwent tumor resection, distal gastrectomy (Billroth II), and common bile duct exploration. Postoperative pathological examination revealed an adenocarcinoma located in the wall of the gastric antrum. Immunohistochemical results suggested that the tumor originated from the pancreas. Heterologous pancreatic tissue and a dilated pancreatic duct were found in the tumor. These findings suggest malignant transformation of the gastric heterotopic pancreas. Of note, jaundice as clinical complaint for adenocarcinoma associated to gastric heterotopic pancreas.
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Affiliation(s)
- Ran Qi
- Department of General Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, China
| | - Kun Li
- Department of General Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Baomin Shi
- Department of General Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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9
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Zhou J, Zhang H, Xiang Q, Dong F, Sun L. Heterotopic pancreas in Meckel's diverticulum causing perforation in an infant: a case report. J Surg Case Rep 2024; 2024:rjae375. [PMID: 38826858 PMCID: PMC11141289 DOI: 10.1093/jscr/rjae375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/16/2024] [Indexed: 06/04/2024] Open
Abstract
Perforation of Meckel's diverticulum caused by heterotopic pancreas is a rare condition. Despite recent improvements in imaging studies, Meckel"'s diverticulitis and heterotopic pancreas are difficult to diagnose preoperatively and are often diagnosed during autopsy or laparotomy. Symptomatic patients are typically >1 year, and cases of infants displaying symptoms are rarely reported. We report a rare case of heterotopic pancreas in Meckel's diverticulum causing perforation in an infant. In cases of infants presenting with unexplained acute abdominal pain, there should be a high index of suspicion for congenital gastrointestinal malformations. Prompt action in the form of exploratory laparotomy or laparoscopy is crucial to prevent the escalation of complications and to definitively confirm the diagnosis.
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Affiliation(s)
- Junjie Zhou
- Department of Pediatric Surgery, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua, Kunming, Yunnan 650032, P.R. China
| | - Hongbin Zhang
- Department of Pediatric Surgery, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua, Kunming, Yunnan 650032, P.R. China
| | - Qianming Xiang
- Department of Pediatric Surgery, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua, Kunming, Yunnan 650032, P.R. China
| | - Fabiao Dong
- Department of Pediatric Surgery, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua, Kunming, Yunnan 650032, P.R. China
| | - Luyun Sun
- Department of Pediatric Surgery, The First Affiliated Hospital of Kunming Medical University, 295 Xichang Road, Wuhua, Kunming, Yunnan 650032, P.R. China
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10
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Farho MA, Alrawi M, Mobaid M, Kudsi MA, Hendi H, Ghazal A. Ectopic pancreas in a 16-year-old male during bariatric surgery: A rare case in the medical literature. Int J Surg Case Rep 2024; 118:109613. [PMID: 38608520 PMCID: PMC11024645 DOI: 10.1016/j.ijscr.2024.109613] [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: 03/01/2024] [Revised: 03/27/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
INTRODUCTION AND IMPORTANCE Obesity is a global epidemic, and bariatric surgery is an effective treatment. During this surgery, rare abnormalities in the small intestine, like ectopic pancreas (EP), can be found. CASE PRESENTATION A 16-year-old male presented at the surgical clinic with a complaint of morbid obesity, weighing 140 KG. Since he was unable to commit to a diet, bariatric surgery was performed. During the surgery, the gastrointestinal tract was examined, and an incidental finding was noted in the wall of the proximal jejunum. The histopathology report revealed that the excisional biopsy was a complete EP in the proximal jejunum. The patient was discharged from the hospital on the first postoperative day, and his condition remained stable. CLINICAL DISCUSSION Our case of EP stood out due to its larger size, measuring 3.5 cm in diameter, while EP lesions are typically smaller, despite its size, the patient did not experience any symptoms. EP is more commonly found in individuals between 40 and 50 years old, with a higher incidence in males. However, our patient is only 16 years old. CONCLUSION Surgical resection is the most effective treatment, preventing malignant transformation and future complications. To the best of our knowledge, this is the first documented case of incidentally detected heterotopic pancreatic tissue in jejunum during a bariatric procedure in Syria, and it is also the fourth case in the medical literature.
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Affiliation(s)
- Mohamad Ali Farho
- Faculty of Medicine, University of Aleppo, Aleppo, Syrian Arab Republic
| | - Mawya Alrawi
- Faculty of Medicine, University of Aleppo, Aleppo, Syrian Arab Republic.
| | - Maram Mobaid
- Faculty of Medicine, University of Aleppo, Aleppo, Syrian Arab Republic
| | | | - Hamza Hendi
- Faculty of Medicine, University of Aleppo, Aleppo, Syrian Arab Republic
| | - Ahmad Ghazal
- Department of General Surgery, Aleppo University Hospital, University of Aleppo, Aleppo, Syrian Arab Republic
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11
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Murali V, Mashru D, Bharavi N, Pohekar M, Shinde RS. Heterotopic Pancreas: Unusual Cause of Usual Diarrhoea. Indian J Surg Oncol 2024; 15:359-362. [PMID: 38818009 PMCID: PMC11133257 DOI: 10.1007/s13193-024-01943-9] [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: 03/17/2024] [Accepted: 04/09/2024] [Indexed: 06/01/2024] Open
Abstract
Heterotopic pancreas (HP) also known as ectopic pancreas, pancreatic crest or accessory pancreas is the normal pancreatic tissue, found in a remote area other than its natural location, with no anatomic or vascular connection to main pancreatic tissue. It is a rare congenital anomaly and has been reported at many locations such as stomach (antrum) and small intestine. HP is usually an incidental finding and asymptomatic, however there are reports of pancreatitis, obstruction, perforation and malignant transformation as uncommon manifestations. Diagnosis of HP is primarily based on histological examination either by biopsy or surgical excision. Surgery is the standard treatment for symptomatic HP patients. Herein, we present a case of a 58-year-old female, who presented to us with intractable diarrhoea due to HP in the jejunum and underwent minimally invasive surgery for definitive diagnosis and treatment.
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Affiliation(s)
- V. Murali
- Department of Surgical Oncology, Apollo Hospital, Navi Mumbai, 400614 India
| | - Deep Mashru
- Department of Surgical Oncology, Apollo Hospital, Navi Mumbai, 400614 India
| | - N. Bharavi
- Department of Surgical Oncology, Apollo Hospital, Navi Mumbai, 400614 India
| | - Monika Pohekar
- Department of Surgical Oncology, Apollo Hospital, Navi Mumbai, 400614 India
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12
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Inokuchi S, Shirabe K, Tsutsumi S, Takayama H, Terashi T, Yasuda K, Ikebe M, Bandoh T, Wada J, Urabe S, Utsunomiya T. Ectopic pancreatic adenocarcinoma in Meckel's diverticulum: a case report. Surg Case Rep 2024; 10:46. [PMID: 38388714 PMCID: PMC10884370 DOI: 10.1186/s40792-024-01843-8] [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: 11/22/2023] [Accepted: 02/09/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND Malignant neoplasms arising from Meckel's diverticulum are rare and an adenocarcinoma in Meckel's diverticulum originating from ectopic pancreatic tissue is even rarer. Herein, we report a patient with an ectopic pancreatic adenocarcinoma in Meckel's diverticulum who was successfully treated with surgery and chemotherapy. CASE PRESENTATION A woman in her sixties presented to another hospital with abdominal pain. Plain computed tomography suggested an abdominal tumor and she was referred to our hospital. Enhanced computed tomography revealed a 23-mm low-density tumor in the abdominal cavity. Surgery was performed with a tentative diagnosis of a mesenteric tumor, such as a gastrointestinal stromal tumor, schwannoma, or lymphoma. First, we inspected the peritoneal cavity with a laparoscope. This revealed numerous nodules in the small bowel mesentery, suggesting peritoneal dissemination. A 20-mm-diameter white tumor was found in the small intestine and diagnosed as a small intestinal cancer. The small intestine was partially resected laparoscopically through a small skin incision. The patient's postoperative course was uneventful, and she was discharged on postoperative day 9. Pathological examination revealed well-differentiated adenocarcinoma in the small intestine. The tumor had developed from a sac-like portion protruding toward the serosal side and had a glandular structure lined with flattened atypical cells. Neither pancreatic acinar cells nor islets of Langerhans were evident, suggesting a Heinrich type 3 ectopic pancreas. The final diagnosis was an adenocarcinoma originating from an ectopic pancreas in Meckel's diverticulum. After a smooth recovery, the patient commenced chemotherapy for pancreatic cancer. CONCLUSIONS We present a very rare case of ectopic pancreatic carcinoma in Meckel's diverticulum.
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Affiliation(s)
- Shoichi Inokuchi
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan.
| | - Kohjiro Shirabe
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Satoshi Tsutsumi
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Hiroomi Takayama
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Takahiro Terashi
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Kazuhiro Yasuda
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Masahiko Ikebe
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Toshio Bandoh
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
| | - Junpei Wada
- Department of Pathology, Oita Prefectural Hospital, Oita, Japan
| | - Shogo Urabe
- Department of Pathology, Oita Prefectural Hospital, Oita, Japan
| | - Tohru Utsunomiya
- Department of Surgery, Oita Prefectural Hospital, 2-8-1 Bunyou, Oita, 870-8511, Japan
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13
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Sun K, Yu S, Wang Y, Jia R, Shi R, Liang C, Wang X, Wang H. Development of a multi-phase CT-based radiomics model to differentiate heterotopic pancreas from gastrointestinal stromal tumor. BMC Med Imaging 2024; 24:44. [PMID: 38355484 PMCID: PMC10868069 DOI: 10.1186/s12880-024-01219-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 02/01/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND To investigate whether CT-based radiomics can effectively differentiate between heterotopic pancreas (HP) and gastrointestinal stromal tumor (GIST), and whether different resampling methods can affect the model's performance. METHODS Multi-phase CT radiological data were retrospectively collected from 94 patients. Of these, 40 with HP and 54 with GISTs were enrolled between April 2017 and November 2021. One experienced radiologist manually delineated the volume of interest and then resampled the voxel size of the images to 0.5 × 0.5 × 0.5 mm3, 1 × 1 × 1 mm3, and 2 × 2 × 2 mm3, respectively. Radiomics features were extracted using PyRadiomics, resulting in 1218 features from each phase image. The datasets were randomly divided into training set (n = 66) and validation set (n = 28) at a 7:3 ratio. After applying multiple feature selection methods, the optimal features were screened. Radial basis kernel function-based support vector machine (RBF-SVM) was used as the classifier, and model performance was evaluated using the area under the receiver operating curve (AUC) analysis, as well as accuracy, sensitivity, and specificity. RESULTS The combined phase model performed better than the other phase models, and the resampling method of 0.5 × 0.5 × 0.5 mm3 achieved the highest performance with an AUC of 0.953 (0.881-1), accuracy of 0.929, sensitivity of 0.938, and specificity of 0.917 in the validation set. The Delong test showed no significant difference in AUCs among the three resampling methods, with p > 0.05. CONCLUSIONS Radiomics can effectively differentiate between HP and GISTs on CT images, and the diagnostic performance of radiomics is minimally affected by different resampling methods.
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Affiliation(s)
- Kui Sun
- Department of General Surgery, Peking University Third Hospital, 49 North Garden Road, Haidian District, 100191, Beijing, China
| | - Shuxia Yu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, No. 324, 250021, Jinan, China
| | - Ying Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, NO. 324, 250021, Jinan, Shandong, China
| | - Rongze Jia
- Department of Radiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Shandong Provincial Hospital of Traditional Chinese Medicine, Jing Shi Road, No. 16369, 250014, Jinan, China
| | - Rongchao Shi
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jing Wu Road, No. 324, 250021, Jinan, China
| | - Changhu Liang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, NO. 324, 250021, Jinan, Shandong, China.
| | - Ximing Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, NO. 324, 250021, Jinan, Shandong, China.
| | - Haiyan Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jing Wu Road, NO. 324, 250021, Jinan, Shandong, China.
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14
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Sakurai Y, Togasaki K, Nakamura Y, Fukuda H, Karaki H, Okaya T, Hirai F, Abe M, Sugano I. Gastric type III heterotopic pancreas presenting as adenomyoma in the antrum of the stomach: a case report. Clin J Gastroenterol 2024; 17:34-40. [PMID: 37831374 DOI: 10.1007/s12328-023-01872-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/27/2023] [Indexed: 10/14/2023]
Abstract
Although heterotopic pancreas usually occurs in the stomach and rarely presents as a submucosal tumor, an accurate preoperative diagnosis is often difficult because of the variety of clinical symptoms and findings depending on the size and location of the lesion. We experienced a case of gastric type III heterotopic pancreas presenting as a gastric adenomyoma in the antrum of the stomach. A 62-year-old woman visited a local hospital for epigastric discomfort. An esophagogastroduodenoscopy study indicated a submucosal tumor in the greater curvature of the gastric antrum. The patient underwent surgical resection of the tumor because it was enlarged. The histological sections of the resected specimen showed that the tumor was composed of ductular structures lined by tall columnar epithelia and a prominent smooth muscle stroma with no atypical cells. The tumor was compatible with Heinrich's type III heterotopic pancreas, which presented as an adenomyoma of the stomach. These findings provide useful histological features and some insight into a better understanding of the embryonic origin and development of adenomyoma and heterotopic pancreas in the antrum of the stomach.
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Affiliation(s)
- Yoichi Sakurai
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan.
| | - Kentaro Togasaki
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan
| | - Yusuke Nakamura
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan
| | - Hiroyuki Fukuda
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan
| | - Hirokazu Karaki
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan
| | - Tomohisa Okaya
- Department of Surgery, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, 1-Chome 1-1 Izumi-cho, Narashino, Chiba, 275-8580, Japan
| | - Futoshi Hirai
- Department of Gastroenterology, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, Chiba, Japan
| | - Michikazu Abe
- Department of Gastroenterology, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, Chiba, Japan
| | - Isamu Sugano
- Pathology Division, Chiba-Ken Saiseikai Narashino Hospital, Social Welfare Organization, Saiseikai Imperial Gift Foundation, Chiba, Japan
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15
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Ji X, Dong A, Wang Y. FDG PET/CT in Pancreatic Ductal Adenocarcinoma Arising From a Heterotopic Pancreas of the Pylorus. Clin Nucl Med 2024; 49:e42-e44. [PMID: 37976432 DOI: 10.1097/rlu.0000000000004952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
ABSTRACT Malignant transformation of heterotopic pancreas is extremely rare. We describe FDG PET/CT findings in a case of pancreatic ductal adenocarcinoma arising from a heterotopic pancreas in the submucosa of the pylorus with peripyloric lymph node metastasis and elevated serum carbohydrate antigen 19-9 level. The heterotopic pancreatic adenocarcinoma showed intense FDG uptake, and the peripyloric lymph node metastasis showed mild FDG uptake. This case indicates that heterotopic pancreatic adenocarcinoma should be included in the differential diagnosis of FDG-avid gastric submucosal lesions, especially in patients with elevated serum carbohydrate antigen 19-9 level.
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Affiliation(s)
- Xia Ji
- From the Department of Gastroenterology, The Second Affiliated Hospital, Jiaxing University, Jiaxing, Zhejiang Province
| | - Aisheng Dong
- Department of Nuclear Medicine, Changhai Hospital, Naval Medical University
| | - Yang Wang
- Department of Pathology, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
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16
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Brun-Vergara ML, Khoshpouri P, Karp J, Sailer A, Pickhardt PJ. Heterotopic Pancreatitis. Radiographics 2024; 44:e230167. [PMID: 38096108 DOI: 10.1148/rg.230167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Affiliation(s)
- Maria L Brun-Vergara
- From the Department of Radiology, The Ottawa Hospital, 1053 Carling Ave, Ottawa, ON, Canada K1Y 4E9 (M.L.B.V.); Department of Radiology, University of Washington, Seattle, Wash (P.K.); Department of Radiology, University of Pennsylvania, Philadelphia, Pa (J.K.); Department of Radiology, Yale New Haven Health, Yale University, New Haven, Conn (A.S.); and Department of Radiology, University of Wisconsin, Madison, Wis (P.J.P.)
| | - Pegah Khoshpouri
- From the Department of Radiology, The Ottawa Hospital, 1053 Carling Ave, Ottawa, ON, Canada K1Y 4E9 (M.L.B.V.); Department of Radiology, University of Washington, Seattle, Wash (P.K.); Department of Radiology, University of Pennsylvania, Philadelphia, Pa (J.K.); Department of Radiology, Yale New Haven Health, Yale University, New Haven, Conn (A.S.); and Department of Radiology, University of Wisconsin, Madison, Wis (P.J.P.)
| | - John Karp
- From the Department of Radiology, The Ottawa Hospital, 1053 Carling Ave, Ottawa, ON, Canada K1Y 4E9 (M.L.B.V.); Department of Radiology, University of Washington, Seattle, Wash (P.K.); Department of Radiology, University of Pennsylvania, Philadelphia, Pa (J.K.); Department of Radiology, Yale New Haven Health, Yale University, New Haven, Conn (A.S.); and Department of Radiology, University of Wisconsin, Madison, Wis (P.J.P.)
| | - Anne Sailer
- From the Department of Radiology, The Ottawa Hospital, 1053 Carling Ave, Ottawa, ON, Canada K1Y 4E9 (M.L.B.V.); Department of Radiology, University of Washington, Seattle, Wash (P.K.); Department of Radiology, University of Pennsylvania, Philadelphia, Pa (J.K.); Department of Radiology, Yale New Haven Health, Yale University, New Haven, Conn (A.S.); and Department of Radiology, University of Wisconsin, Madison, Wis (P.J.P.)
| | - Perry J Pickhardt
- From the Department of Radiology, The Ottawa Hospital, 1053 Carling Ave, Ottawa, ON, Canada K1Y 4E9 (M.L.B.V.); Department of Radiology, University of Washington, Seattle, Wash (P.K.); Department of Radiology, University of Pennsylvania, Philadelphia, Pa (J.K.); Department of Radiology, Yale New Haven Health, Yale University, New Haven, Conn (A.S.); and Department of Radiology, University of Wisconsin, Madison, Wis (P.J.P.)
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17
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Bullock C, Amiraian D, Almerey T, Stauffer J, Komforti MK, LeGout JD. The tale of 2 pancreases: Jejunal mesenteric ectopic pancreas causing recurrent ectopic pancreatitis. Radiol Case Rep 2024; 19:464-467. [PMID: 38046919 PMCID: PMC10692469 DOI: 10.1016/j.radcr.2023.10.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 12/05/2023] Open
Abstract
Ectopic pancreas, or the presence of pancreatic tissue separate from the anatomic pancreas, is rarely reported in locations other than the stomach or duodenum. A 43-year-old female was found to have a large jejunal mesenteric ectopic pancreas causing ectopic pancreatitis during workup for frequent episodes of abdominal pain. We present the imaging findings and postresection pathology findings of a rare jejunal ectopic pancreas and discuss the potential complications of this unique condition.
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Affiliation(s)
| | - Dana Amiraian
- Department of Radiology, Mayo Clinic Jacksonville FL, USA
| | - Tariq Almerey
- Department of Surgery, Mayo Clinic Jacksonville FL, USA
| | - John Stauffer
- Department of Surgery, Mayo Clinic Jacksonville FL, USA
| | - Miglena K. Komforti
- Department of Pathology and Laboratory Medicine, Mayo Clinic Jacksonville FL, USA
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18
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Bathobakae L, Mücahit D, Bashir R, Russo J, Vidreiro A, Mekheal N, Yuridullah R, Cavanagh Y. Ectopic Pancreas at the Ampulla Diagnosed With Endoscopic Snare Papillectomy: A Case Report. J Investig Med High Impact Case Rep 2024; 12:23247096241274299. [PMID: 39171727 PMCID: PMC11342306 DOI: 10.1177/23247096241274299] [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] [Received: 05/08/2024] [Accepted: 07/14/2024] [Indexed: 08/23/2024] Open
Abstract
Ectopic pancreas, also known as heterotopic pancreas, is a rare condition in which the pancreatic tissue is found outside its usual location in the gastrointestinal (GI) tract. It is commonly asymptomatic and benign, and is often discovered incidentally during routine imaging, endoscopy, surgery, or autopsy. However, complications can arise, such as inflammation, bleeding, obstruction, or even malignant transformation, necessitating surgical intervention in some cases. Ectopic pancreas at the ampulla of Vater (EPAV) is an extremely rare condition and a diagnostic and therapeutic nightmare. Most cases have been diagnosed through invasive surgery due to concerns for malignancy, which carries significant morbidity and mortality. In our case, endoscopic snare papillectomy (ESP) was employed to establish a diagnosis. Thus far, only one other case has been reported in which ESP was used to diagnose and resect a pancreatic heterotopia at the ampulla.
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Affiliation(s)
| | - Derya Mücahit
- Rowan University School of Osteopathic Medicine, Stratford, NJ, USA
| | - Rammy Bashir
- School of Medicine, St. George’s University, Grenada
| | - Joseph Russo
- St. Joseph’s University Medical Center, Paterson, NJ, USA
| | | | - Nader Mekheal
- St. Joseph’s University Medical Center, Paterson, NJ, USA
| | | | - Yana Cavanagh
- St. Joseph’s University Medical Center, Paterson, NJ, USA
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19
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Bajour D, Haddad S, Marina S, Zoukar S, Haddad S, Martini N, Khouri L. Co-occurrence of ectopic pancreas and superior mesenteric artery syndrome in a child: A case report and literature review. SAGE Open Med Case Rep 2023; 12:2050313X231220830. [PMID: 38162423 PMCID: PMC10757443 DOI: 10.1177/2050313x231220830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/23/2023] [Indexed: 01/03/2024] Open
Abstract
Ectopic pancreas refers to pancreatic tissue that lacks vascular or anatomical connection with the main body of the pancreas. Superior mesenteric artery syndrome involves the compression of the third part of the duodenum between the aorta and the superior mesenteric artery. We present a case of a 12-year-old female with a 4-year history of recurrent episodes of severe epigastric pain, improved by sitting and leaning forward, and occurred monthly for nearly 48 h. Radiological findings confirmed the diagnosis of superior mesenteric artery syndrome. However, further investigation revealed the presence of ectopic pancreas. Surgical intervention successfully treated both conditions. The patient presented with severe abdominal pain, and although there was a diagnosis of superior mesenteric artery syndrome, the pain was not entirely attributable to this condition, as there was no correlation with food intake, and the degree of obstruction was mild. Further investigations revealed the presence of ectopic pancreas, which provided an explanation for the severity of the pain. This case highlights the need for further research on the potential association between superior mesenteric artery syndrome and ectopic pancreas.
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Affiliation(s)
- Dina Bajour
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
| | - Salim Haddad
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
| | - Sliman Marina
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
| | - Sham Zoukar
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
| | - Sultaneh Haddad
- Aleppo University, Faculty of Medicine, Aleppo, Syrian Arab Republic
- Stemosis for Scientific Research, Damascus, Syrian Arab Republic
| | - Nafiza Martini
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
- Stemosis for Scientific Research, Damascus, Syrian Arab Republic
| | - Lina Khouri
- Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
- Departement of Pediatrics at Children’s Hospital, Damascus, Syrian Arab Republic
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20
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Guerrero-Pérez F, Vilarrasa N, Huánuco LV, Busquets J, Secanella L, Vercher-Conejero JL, Vidal N, Näf Cortés S, Villabona C. Ectopic insulinoma: a systematic review. Rev Endocr Metab Disord 2023; 24:1135-1146. [PMID: 37434098 DOI: 10.1007/s11154-023-09824-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/07/2023] [Indexed: 07/13/2023]
Abstract
Knowledge of ectopic insulinomas comes from single cases. We performed a systematic review through PubMed, Web of Science, Embase, eLibrary and ScienceDirect of all cases reported in the last four decades. We also describe one unreported patient. From 28 patients with ectopic insulinoma, 78.6% were female and mean age was 55.7 ± 19.2 years. Hypoglycaemia was the first symptom in 85.7% while 14.3% complained of abdominal pain or genital symptoms. Median tumour diameter was 27.5 [15-52.5] mm and it was localised by CT (73.1%), MRI (88.9%), [68Ga]Ga-DOTA-exedin-4 PET/CT (100%), 68Ga-labelled-DOTA-conjugated somatostatin analogue PET/TC (100%), somatostatin receptor scintigraphy (40%) and endoscopic ultrasound (50%). Ectopic insulinomas were located at duodenum (n = 3), jejunum (n = 2), and one respectively at stomach, liver, appendix, rectum, mesentery, ligament of Treitz, gastrosplenic ligament, hepatoduodenal ligament and splenic hilum. Seven insulinomas were affecting the female reproductive organs: ovary (n = 5), cervix (n = 2) and remaining tumours were at retroperitoneum (n = 3), kidney (n = 2), spleen (n = 1) and pelvis (n = 1). 89.3% underwent surgery (66.7% surgery vs. 33.3% laparoscopy) and 16% underwent an ineffective pancreatectomy. 85.7% had localized disease at diagnosis and 14.3% developed distant metastasis. Median follow-up time was 14.5 [4.5-35.5] months and mortality was reported in 28.6% with median time until death of 60 [5-144] months. In conclusion, ectopic insulinomas are presented as hypoglycaemia with female preponderance. Functional imaging [68Ga]Ga-DOTA-exedin-4 PET/CT and 68Ga-labelled-DOTA-conjugated somatostatin analogue PET/TC have very high sensitivity. Clinicians should be alert to the possibility of extra-pancreatic insulinomas when classic diagnostic tests and intraoperative pancreas exploration failed to locate the tumour.
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Affiliation(s)
- Fernando Guerrero-Pérez
- Department of Endocrinology, Bellvitge University Hospital, Barcelona, Spain.
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain.
| | - Nuria Vilarrasa
- Department of Endocrinology, Bellvitge University Hospital, Barcelona, Spain
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain
| | - Lidia V Huánuco
- Department of Endocrinology, Bellvitge University Hospital, Barcelona, Spain
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Juli Busquets
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Department of Hepatobiliary and Pancreatic Surgery, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Lluis Secanella
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Department of Hepatobiliary and Pancreatic Surgery, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - José L Vercher-Conejero
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Department of Nuclear Medicine-PET Unit, University Hospital Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Noemi Vidal
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Department of Pathology, Bellvitge University Hospital, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Silvia Näf Cortés
- Department of Endocrinology, Joan XXIII University Hospital, Tarragona, Spain
| | - Carles Villabona
- Department of Endocrinology, Bellvitge University Hospital, Barcelona, Spain
- Biomedical Research Institute of Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
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21
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Kimsey KM, Barnett GS, Keup C, Nguyen J, Wilsey MJ, Smithers CJ, González R. Esophageal Heterotopic Pancreas in an Asymptomatic 2-Year-Old With VACTERL Association. JPGN REPORTS 2023; 4:e350. [PMID: 38034456 PMCID: PMC10684239 DOI: 10.1097/pg9.0000000000000350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 06/15/2023] [Indexed: 12/02/2023]
Abstract
A 2-year-old male with VACTERL association and asthma presented to the emergency room due to asthma exacerbation. Chest radiography revealed lingular pneumonia and thickening of the left paraspinal line of the gastroesophageal junction. Chest computed tomography confirmed a heterogeneous fluid- and gas-filled structure at the left posterior lateral posterolateral aspect of the esophagus, which was suspected to be an esophageal diverticulum on an upper gastrointestinal series. The esophageal diverticulum was excised via left thoracoscopy, and pathological examination revealed pancreatic tissue. Heterotopic pancreas lacks anatomical, vascular, or ductal continuity with the native pancreas. It is usually asymptomatic, but when discovered, it usually occurs later in life. It has been described in the foregut, but is not as common in the esophagus, especially in the pediatric population. This case report highlights the rare occurrence, and importance of considering, esophageal heterotopic pancreas within an esophageal diverticulum in an asymptomatic patient with VACTERL association.
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Affiliation(s)
| | | | - Christopher Keup
- Division of Radiology, Johns Hopkins All Children’s Hospital, Saint Petersburg, FL
| | - Johnny Nguyen
- Division of Anatomic Pathology, Johns Hopkins All Children’s Hospital, Saint Petersburg, FL
| | - Michael J. Wilsey
- Division of Gastroenterology, Johns Hopkins All Children’s Hospital, Saint Petersburg, FL
| | - Charles J. Smithers
- Division of Pediatric Surgery, Johns Hopkins All Children’s Hospital, Saint Petersburg, FL
| | - Raquel González
- Division of Pediatric Surgery, Johns Hopkins All Children’s Hospital, Saint Petersburg, FL
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22
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Zhang H, Zhao HY, Zhang FH, Liang W. Gastric and intestinal ectopic pancreas: Two case reports. World J Clin Cases 2023; 11:7221-7226. [PMID: 37946777 PMCID: PMC10631429 DOI: 10.12998/wjcc.v11.i29.7221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Ectopic pancreas may be unfamiliar to many people because it is rare and difficult to diagnose. However, this disease is highly susceptible to misdiagnosis and missed diagnosis. In this article, we report two cases of pancreatic heterotopia in the gastric sinus and small intestine, respectively, both of which were confirmed by histopathological examination. CASE SUMMARY The first patient was a 43-year-old female which reported abdominal distension for 2 mo. The second was a 67-year-old female who experienced intermittent epigastric discomfort for 15 d. In both cases, there was no confirmed preoperative examination, and the postoperative pathology indicated the presence of ectopic pancreas. CONCLUSION The diagnosis of ectopic pancreas is difficult, and is often prone to misdiagnosis and the possibility of being overlooked. Various laboratory tests and imaging tests should be carefully evaluated before surgery to achieve early detection, early diagnosis and early treatment.
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Affiliation(s)
- Huan Zhang
- Department of General Surgery, Hebei General Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Hong-Yu Zhao
- Department of General Surgery, Hebei General Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Feng-Hua Zhang
- Department of General Surgery, Hebei General Hospital, Shijiazhuang 050051, Hebei Province, China
| | - Wei Liang
- Department of General Surgery, Hebei General Hospital, Shijiazhuang 050051, Hebei Province, China
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23
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Wang L, Wang Q, Yang L, Ma C, Shi G. Computed tomographic imaging features to differentiate gastric schwannomas from gastrointestinal stromal tumours: a matched case-control study. Sci Rep 2023; 13:17568. [PMID: 37845257 PMCID: PMC10579344 DOI: 10.1038/s41598-023-43902-4] [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] [Received: 07/01/2023] [Accepted: 09/29/2023] [Indexed: 10/18/2023] Open
Abstract
To investigate clinical data and computed tomographic (CT) imaging features in differentiating gastric schwannomas (GSs) from gastric stromal tumours (GISTs) in matched patients, 31 patients with GSs were matched with 62 patients with GISTs (1:2) in sex, age, and tumour site. The clinical and imaging data were analysed. A significant (P < 0.05) difference was found in the tumour margin, enhancement pattern, growth pattern, and LD values between the 31 patients with GSs and 62 matched patients with GISTs. The GS lesions were mostly (93.5%) well defined while only 61.3% GIST lesions were well defined.The GS lesions were significantly (P = 0.036) smaller than the GIST lesions, with the LD ranging 1.5-7.4 (mean 3.67 cm) cm for the GSs and 1.0-15.30 (mean 5.09) cm for GIST lesions. The GS lesions were more significantly (P = 0.001) homogeneously enhanced (83.9% vs. 41.9%) than the GIST lesions. The GS lesions were mainly of the mixed growth pattern both within and outside the gastric wall (74.2% vs. 22.6%, P < 0.05) compared with that of GISTs. No metastasis or invasion of adjacent organs was present in any of the GS lesions, however, 1.6% of GISTs experienced metastasis and 3.2% of GISTs presented with invasion of adjacent organs. Heterogeneous enhancement and mixed growth pattern were two significant (P < 0.05) independent factors for distinguishing GS from GIST lesions. In conclusion: GS and GIST lesions may have significantly different features for differentiation in lesion margin, heterogeneous enhancement, mixed growth pattern, and longest lesion diameter, especially heterogeneous enhancement and mixed growth pattern.
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Affiliation(s)
- Lijia Wang
- Department of Radiology, The Fourth Hospital of Hebei Medical University and Hebei Provincial Tumor Hospital, 12 Jiangkang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Qi Wang
- Department of Radiology, The Fourth Hospital of Hebei Medical University and Hebei Provincial Tumor Hospital, 12 Jiangkang Road, Shijiazhuang, 050011, Hebei Province, China.
| | - Li Yang
- Department of Radiology, The Fourth Hospital of Hebei Medical University and Hebei Provincial Tumor Hospital, 12 Jiangkang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Chongfei Ma
- Department of Radiology, The Fourth Hospital of Hebei Medical University and Hebei Provincial Tumor Hospital, 12 Jiangkang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Gaofeng Shi
- Department of Radiology, The Fourth Hospital of Hebei Medical University and Hebei Provincial Tumor Hospital, 12 Jiangkang Road, Shijiazhuang, 050011, Hebei Province, China
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Zaresharifi N, Khalili A, Eftekhari B, Layegh H. Ectopic pancreatic tissue in a cholecystectomy specimen: A rare incidental pathologic finding. Clin Case Rep 2023; 11:e7961. [PMID: 37808579 PMCID: PMC10558671 DOI: 10.1002/ccr3.7961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/31/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023] Open
Abstract
Ectopic pancreatic tissue is a rare congenital abnormality defined as the abnormal location of pancreatic tissue outside the anatomical site of the pancreas without any anatomical or vascular connection to it, which is often discovered incidentally. This is a case of a 40-year-old man who was admitted to our surgical department for emergency cholecystectomy due to acute gangrenous cholecystitis. Preoperative ultrasound imaging was indicative only of multiple stones in the gallbladder. Postoperative histopathological examination revealed an area of wall thickening in the neck region of the gallbladder consists of ectopic pancreatic tissue. We emphasize the role of a precise pathologic examination even in routine surgical specimens such as a cholecystectomy specimen, since no preoperative evaluation can be affirmative of such incidental but momentous histopathologic findings. Anatomical pathologists must be aware of the rare presentation of Ectopic Pancreatic Tissue (EPT) in gallbladder which may masquerade as a malignancy.
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Affiliation(s)
- Nooshin Zaresharifi
- Department of PathologyGuilan University of Medical Sciences (GUMS)RashtIran
| | - Anita Khalili
- Department of MedicineGuilan University of Medical Sciences (GUMS)RashtIran
| | - Behrad Eftekhari
- Department of MedicineGuilan University of Medical Sciences (GUMS)RashtIran
| | - Hojjat Layegh
- Department of Plastic Surgery, Panzdahe Khordad Hospital, School of MedicineShahid Beheshti University of Medical SciencesTehranIran
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25
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Feng N, Chen HY, Wang XJ, Lu YF, Zhou JP, Zhou QM, Wang XB, Yu JN, Yu RS, Xu JX. A CT-based nomogram established for differentiating gastrointestinal heterotopic pancreas from gastrointestinal stromal tumor: compared with a machine-learning model. BMC Med Imaging 2023; 23:131. [PMID: 37715139 PMCID: PMC10504714 DOI: 10.1186/s12880-023-01094-3] [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] [Received: 05/02/2023] [Accepted: 09/01/2023] [Indexed: 09/17/2023] Open
Abstract
OBJECTIVE To identify CT features and establish a nomogram, compared with a machine learning-based model for distinguishing gastrointestinal heterotopic pancreas (HP) from gastrointestinal stromal tumor (GIST). MATERIALS AND METHODS This retrospective study included 148 patients with pathologically confirmed HP (n = 48) and GIST (n = 100) in the stomach or small intestine that were less than 3 cm in size. Clinical information and CT characteristics were collected. A nomogram on account of lasso regression and multivariate logistic regression, and a RandomForest (RF) model based on significant variables in univariate analyses were established. Receiver operating characteristic (ROC) curve, mean area under the curve (AUC), calibration curve and decision curve analysis (DCA) were carried out to evaluate and compare the diagnostic ability of models. RESULTS The nomogram identified five CT features as independent predictors of HP diagnosis: age, location, LD/SD ratio, duct-like structure, and HU lesion/pancreas A. Five features were included in RF model and ranked according to their relevance to the differential diagnosis: LD/SD ratio, HU lesion/pancreas A, location, peritumoral hypodensity line and age. The nomogram and RF model yielded AUC of 0.951 (95% CI: 0.842-0.993) and 0.894 (95% CI: 0.766-0.966), respectively. The DeLong test found no statistically significant difference in diagnostic performance (p > 0.05), but DCA revealed that the nomogram surpassed the RF model in clinical usefulness. CONCLUSION Two diagnostic prediction models based on a nomogram as well as RF method were reliable and easy-to-use for distinguishing between HP and GIST, which might also assist treatment planning.
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Affiliation(s)
- Na Feng
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Hai-Yan Chen
- Department of Radiology, Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, 310022, Hangzhou, Zhejiang, China
| | - Xiao-Jie Wang
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Yuan-Fei Lu
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Jia-Ping Zhou
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Qiao-Mei Zhou
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Xin-Bin Wang
- Department of Radiology, The First People's Hospital of Xiaoshan District, Hangzhou, China
| | - Jie-Ni Yu
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China
| | - Ri-Sheng Yu
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88#, 310009, Hangzhou, China.
| | - Jian-Xia Xu
- Department of Radiology, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Chaowang Road 318#, 310005, Hangzhou, China.
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Cho H, Choi J. Pancreatic adenocarcinoma arising from an ectopic pancreas in a cat. Vet Radiol Ultrasound 2023; 64:E50-E54. [PMID: 37340693 DOI: 10.1111/vru.13263] [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] [Received: 01/02/2023] [Revised: 03/29/2023] [Accepted: 05/13/2023] [Indexed: 06/22/2023] Open
Abstract
An 8-year-old male neutered Korean shorthair cat presented with chronic vomiting. Radiographically, an oval-shaped soft tissue abdominal mass caudoventral to the left kidney was detected. On ultrasonography, the hypoechoic mass was well-defined with thick, irregular, and hyperechoic margins and had no continuity with the pancreas or other adjacent organs. The mass was surgically excised. Areas of atypical pancreatic acinar epithelial cells were identified histopathologically. Postoperative CT demonstrated a normal pancreas in the expected anatomical region. Based on diagnostic imaging, surgical and histopathology findings, the mass was diagnosed as a well-differentiated pancreatic acinar cell adenocarcinoma arising from ectopic pancreatic tissue.
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Affiliation(s)
- Hyun Cho
- Bien Animal Medical Center, Bucheon, South Korea
| | - Jihye Choi
- Department of Veterinary Medical Imaging, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
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Chen M, Tanaka T, Igawa T, Han Y, Peng F, Jin Z, Yoshino T. Expression and clinicopathological characteristics of PDX1, PTF1A, and SALL4 in large and small ducts of ectopic pancreas located in gastro-duodenum and jejunum. Heliyon 2023; 9:e18241. [PMID: 37519669 PMCID: PMC10372316 DOI: 10.1016/j.heliyon.2023.e18241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/26/2023] [Accepted: 07/12/2023] [Indexed: 08/01/2023] Open
Abstract
An ectopic pancreas is defined as pancreatic tissue outside its normal location, anatomically separated from the pancreas. The transcription factor pancreas/duodenum homeobox protein 1 (PDX1) is involved in maintaining the pancreas and functions in early pancreatic development, beta cell differentiation, and endocrine non beta cells. Pancreatic transcription factor 1 subunit alpha (PTF1A) affects exocrine cell formation and regulation of acinar cell identity, and is expressed in exocrine cells as a transcription factor. The depletion of SALL4 disrupts self-renewal and induces differentiation. To clarify which of PDX1, PTF1A, or SALL4 determines the difference in Heinrich's classification, we examined the localization and number of positive cells. We analyzed the differential expression of PDX1, PTF1A, and SALL4 in large and small ducts in ectopic pancreas by immunohistochemistry. Results showed that the number of PTF1A-positive cells in large ducts was more widespread in type I than in type II in the gastro-duodenum, and more SALL4-positive cells were noticed in large ducts than in small ducts in the gastro-duodenum of type II. Our results revealed that PTF1A might promote exocrine differentiation in developing the pancreatic tissues, and that those with widespread expression differentiate into exocrine cells.
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Affiliation(s)
- Mengxi Chen
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Takehiro Tanaka
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Takuro Igawa
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Yanyan Han
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Fangli Peng
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Zaishun Jin
- Department of Pathology, Mudanjiang Medical University, Mudanjiang, 157001, China
| | - Tadashi Yoshino
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
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Kurokawa M, Kurokawa R, Tamura K, Baba A, Ota Y, Nakaya M, Yokoyama K, Kim J, Moritani T, Abe O. Imaging Features of Ectopic Tissues and Their Complications: Embryologic and Anatomic Approach. Radiographics 2023; 43:e220111. [PMID: 37141139 DOI: 10.1148/rg.220111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Ectopic tissue is an anatomic abnormality in which tissue develops in an area outside its normal location. It is primarily caused by abnormalities during the process of embryologic development. Although the majority of individuals with ectopic tissues remain asymptomatic, various symptoms and associated complications can occur. Failure in normal embryologic development leads to loss of normal physiologic function or may result in harmful functions such as ectopic hormonal secretion in the ectopic pituitary adenoma. Ectopic tissues may also frequently mimic tumors. For example, developmental abnormalities in the pharyngeal pouches may result in an ectopic parathyroid gland and ectopic thymus, both of which are frequently misdiagnosed as tumors. Adequate knowledge of embryology is essential for understanding the differential diagnoses of ectopic tissues and facilitating appropriate management. The authors summarize the embryologic development and pathogenesis of ectopic tissues by using illustrations to facilitate a deeper understanding of embryologic development and anatomy. Characteristic imaging findings (US, CT, MRI, and scintigraphy) are described for ectopic tissues of the brain, head, neck, thorax, abdomen, and pelvis by focusing on common conditions that radiologists may encounter in daily practice and their differential diagnoses. ©RSNA, 2023 Quiz questions for this article are available through the Online Learning Center.
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Affiliation(s)
- Mariko Kurokawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Ryo Kurokawa
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Kentaro Tamura
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Akira Baba
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Yoshiaki Ota
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Moto Nakaya
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Kota Yokoyama
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - John Kim
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Toshio Moritani
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
| | - Osamu Abe
- From the Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109 (M.K., R.K., A.B., Y.O., J.K., T.M.); Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan (M.K., R.K., M.N., O.A.); Department of Radiology, National Institutes for Quantum Science and Technology, Chiba, Japan (K.T.); and Department of Radiology and Department of Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan (K.Y.)
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Huang JH, Guo W, Liu Z. Intraductal papillary mucinous neoplasm originating from a jejunal heterotopic pancreas: A case report. World J Clin Cases 2023; 11:2496-2501. [PMID: 37123302 PMCID: PMC10131005 DOI: 10.12998/wjcc.v11.i11.2496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/01/2023] [Accepted: 03/15/2023] [Indexed: 04/06/2023] Open
Abstract
BACKGROUND Intraductal papillary mucinous neoplasm (IPMN) is a rare pancreatic tumor and has the potential to become malignant. Surgery is the most effective treatment at present, but there is no consensus on the site of resection. Heterotopic pancreas occurs in the gastrointestinal tract, especially the stomach and duodenum but is asymptomatic and rare. We report a case of ectopic pancreas with IPMN located in the jejunum.
CASE SUMMARY A 56-year-old male patient suffered from severe pain, nausea and vomiting due to a traffic accident and sought emergency treatment at our hospital. Contrast-enhanced computed tomography of the whole abdomen suggested splenic congestion, which was considered to be splenic rupture. Emergency laparotomy was performed, and the ruptured spleen was removed during the operation. Unexpectedly, a cauliflower-like mass of about 2.5 cm × 2.5 cm in size was incidentally found about 80 cm from the ligament of Treitz during the operation. A partial small bowel resection was performed, and postoperative pathology confirmed the small bowel mass as heterotopic pancreas with low-grade IPMN.
CONCLUSION Ectopic pancreas occurs in the jejunum and is pathologically confirmed as IPMN after surgical resection.
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Affiliation(s)
- Jun-Hao Huang
- Department of Pancreatic-Biliary Surgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Wei Guo
- Department of Pancreatic-Biliary Surgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Zhe Liu
- Department of Pancreatic-Biliary Surgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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Conti CB, Mulinacci G, Tamini N, Jaconi M, Zucchini N. Colonic ductal adenocarcinoma case report: New entity or rare ectopic degeneration? World J Gastrointest Endosc 2023; 15:191-194. [PMID: 37034967 PMCID: PMC10080554 DOI: 10.4253/wjge.v15.i3.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/09/2023] [Accepted: 02/08/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND Ectopic pancreatic tissue is a congenital anomaly where a part of pancreatic tissue is located outside of the pancreas and lacks vascular or anatomical communication with it but shows the same histological features. Currently, the literature reports only two anecdotal cases of malignant transformation of colonic ectopic pancreas.
CASE SUMMARY We present a case of an 81-year-old patient presenting with anemia, with right colonic neoplasia and carbohydrate antigen 19-9 above the normal values. She underwent laparoscopic right hemicolectomy. The final histology was consistent with a primitive adenocarcinoma with ductal morphology and solid-predominant growth pattern. Benign ectopic pancreatic tissue was absent in the surgical specimen.
CONCLUSION The case describes a very rare complete degeneration of a colonic ectopic pancreatic tissue. However, the absence of benign ectopic pancreatic tissue in the surgical specimen is suggestive of the first description of a primitive ductal adenocarcinoma of the colon.
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Affiliation(s)
| | - Giacomo Mulinacci
- Interventional Endoscopy, ASST Monza, Ospedale San Gerardo, Monza 20900, Italy
| | - Nicolò Tamini
- Department of Surgery, ASST Monza, Ospedale San Gerardo, Monza 20900, Italy
| | - Marta Jaconi
- Department of Pathology, ASST Monza, Ospedale San Gerardo, Monza 20900, Italy
| | - Nicola Zucchini
- Department of Pathology, ASST Monza, Ospedale San Gerardo, Monza 20900, Italy
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Zhang X, Peng L, Wang Z, Pan F, Ren R, Li Y, Zhang X. Extensive heterotopic pancreas in a rare site: A case report and a review of literature. Medicine (Baltimore) 2023; 102:e32241. [PMID: 36862885 PMCID: PMC9981405 DOI: 10.1097/md.0000000000032241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
RATIONALE Heterotopic pancreas is a pancreatic tissue that occurs outside the normal anatomical site, the most common site is antrum. Due to the lack of specific imaging and endoscopic signs, heterotopic pancreas especially those occurring in the rare site, are often misdiagnosed, and leading to unnecessary surgical treatment. Endoscopic incisional biopsy and endoscopic ultrasound-guided fine-needle aspiration are effective means for diagnosing heterotopic pancreas. We reports a case of extensive heterotopic pancreas in a rare site, which was finally diagnosed by this way. PATIENT CONCERNS A 62-year-old man was admitted due to the presence of an angular notch lesion, which was suspected as gastric cancer before. He denied any history of tumor or gastric disease. DIAGNOSES No abnormality was found in the physical examination and laboratory testing after admission. Computed tomography showed localized thickening of the gastric wall measuring 30 mm in the long diameter. Gastroscope revealed a nodular-like submucosal protuberance at the angular notch with size of about 3*4 cm. Ultrasonic gastroscope showed that the lesion was located in the submucosa. The lesion exhibited mixed echogenicity. The diagnosis can not be identified. INTERVENTIONS 2 times of incision biopsy were performed to make a clear diagnosis. Finally, appropriate tissue specimens were obtained for pathology testing. OUTCOMES The patient was diagnosed as heterotopic pancreas according to pathology. He was recommended to undergo observation and regular follow-ups rather than surgery. Then he was discharged home with no discomfort. LESSONS Heterotopic pancreas occurring in the angular notch is extremely rare, the site is scarcely reported in the relevant literature. Therefore, it is easy to be misdiagnosed. In the cases of an vague diagnosis, endoscopic incisional biopsy or endoscopic ultrasound-guided fine-needle aspiration may be a good choice.
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Affiliation(s)
- Xiaohan Zhang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Lihua Peng
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zikai Wang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Fei Pan
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Rongrong Ren
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yan Li
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xiuli Zhang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- * Correspondence: Xiuli Zhang, Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing 100853, China (e-mail: )
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Kawaguchi S, Murakami A, Nishida M. Duodenal Heterotopic Pancreas with a Large Retention Cyst: A Case Report and Literature Review. Intern Med 2023; 62:723-727. [PMID: 35871586 PMCID: PMC10037013 DOI: 10.2169/internalmedicine.0227-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A 75-year-old man was referred to our hospital with a suspected pancreatic cyst. Imaging tests revealed a 3-cm cystic lesion located ventrally in the duodenal bulbus, which was suspected to be a duplication cyst with its muscularis propria contiguous to that of the duodenum. One year later, the cyst grew to 6 cm due to intracystic hemorrhaging; therefore, surgery was performed. Histopathology revealed a heterotopic pancreas (HP) in the duodenal wall. The diagnosis was a large, non-malignant retention cyst. Inflammation due to impaired outflow of pancreatic juice from the HP was identified as the cause of cyst enlargement.
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Affiliation(s)
- Shinya Kawaguchi
- Department of Gastroenterology, Shizuoka General Hospital, Japan
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Heterotopic Pancreas Mimicking Metastases From Renal Carcinoma: A Rare Differential. Clin Nucl Med 2023; 48:e74-e75. [PMID: 36607377 DOI: 10.1097/rlu.0000000000004398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
ABSTRACT Heterotopic pancreas, also known as ectopic or aberrant pancreas, is described as the deposits of normal pancreatic tissue "dropped" into the developing gastrointestinal system. Here we present an operated case of renal clear cell carcinoma, which on 6-month follow-up presented with eccentric mass in the gastric body suspicious for malignancy. Endoscopic biopsy was inconclusive and showed isometabolism on 18F-FDG PET/CT. It was subsequently resected laparoscopically, and final histopathology revealed heterotopic pancreas.
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34
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Localization and Laparoscopic Excision of Gastric Heterotopic Pancreas in a Child by Endoscopic SPOT ® Tattooing. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10020201. [PMID: 36832330 PMCID: PMC9954732 DOI: 10.3390/children10020201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023]
Abstract
Heterotopic pancreas (HP) is defined as pancreatic tissue lacking vascular or anatomic connection with the normal pancreas. Surgical resection is often indicated for symptomatic gastric HP. However, intraoperative identification of gastric HP is often difficult during laparoscopic surgery. Herein, we describe a patient with gastric HP, which was marked with SPOT® dye (GI Supply, Camp Hill, PA, USA). The dye was seen clearly laparoscopically facilitating total excision of the lesion. The final pathology report confirmed the presence of heterotopic pancreatic tissue including pancreatic acini, small pancreatic ducts tissue with islets of Langerhans in the deep gastric submucosal area. There were no postoperative complications, and the patient was symptom-free. To the best of our knowledge, this was the first case report in the literature in which endoscopic tattooing of gastric HP before laparoscopic resection was performed. This method of localization was simple and reliable in children.
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Petrauskas V, Stulpinas R, Mickys U, Luksaite-Lukste R, Strupas K, Poskus E. Aberrant pancreas adenocarcinoma in the stomach: A case report and literature review. Medicine (Baltimore) 2023; 102:e32642. [PMID: 36637936 PMCID: PMC9839233 DOI: 10.1097/md.0000000000032642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
RATIONALE Aberrant pancreatic tissue in the gastrointestinal tract is a relatively common finding. However, malignant transformation is extremely rare. Herein, we report a case of ectopic pancreatic ductal adenocarcinoma in the stomach wall. PATIENT CONCERNS A 38 year old male presented with nausea, bloating, abdominal distention and weight loss for 4 months. DIAGNOSES Endoscopy of upper gastrointestinal tract was performed twice with 2 months interval and a stenotic pyloric part was observed with a suspected submucosal lesion. It was sampled both times, however the pathology findings of the mucosal biopsies were unremarkable with no identifiable neoplastic structures. CT scan and MRI was performed and showed a thickened pyloric wall with a submucosal lesion 15 × 15 mm in diameter. Blood levels of tumor markers carcinoembrionic antigen and carbohydrate antigen 19-9 were within a normal range. INTERVENTIONS Pyloric stenosis progressed and the patient underwent a Billroth type I distal gastric resection with D2 lymphadenectomy. Pathologic examination revealed a well differentiated ductal adenocarcinoma arising in the heterotopic pancreatic tissue (Heinrich type III). The resection margins and lymph nodes were free of tumor. The patient received adjuvant chemotherapy with 6 courses of XELOX. OUTCOMES No disease recurrence is reported in 12 months follow-up. LESSONS Aberrant pancreatic ductal adenocarcinoma in the stomach is a rare finding, however this pathology should be included in the differential diagnosis of gastric submucosal lesion causing pyloric stenosis.
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Affiliation(s)
- Vidas Petrauskas
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Centre of Abdominal and Oncological surgery, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
- * Correspondence: Vidas Petrauskas, Vilnius University Hospital Santaros Klinikos, Santariskiu st. 2, Vilnius 08661, Lithuania (e-mail: )
| | - Rokas Stulpinas
- Centre of Abdominal and Oncological surgery, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Ugnius Mickys
- Centre of Abdominal and Oncological surgery, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Raminta Luksaite-Lukste
- National Centre of Pathology, Affiliate of Vilnius University Hospital Santaros Clinics, Vilnius, Lithuania
| | - Kestutis Strupas
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Department of Radiology, Nuclear Medicine and Medical Physics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Eligijus Poskus
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
- Department of Radiology, Nuclear Medicine and Medical Physics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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Braga M, Matos AP, Marques PP, Ramalho M. Gastric ectopic pancreas in magnetic resonance imaging: A review of 2 cases. Radiol Case Rep 2023; 18:1181-1185. [PMID: 36660566 PMCID: PMC9842967 DOI: 10.1016/j.radcr.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 12/04/2022] [Indexed: 01/13/2023] Open
Abstract
Gastric ectopic pancreas (EP) is an uncommon congenital anomaly in which pancreatic tissue with no anatomic connection to the main pancreas is found in the stomach. Gastric EP is often discovered incidentally when a nonspecific submucosal tumor is found in endoscopic studies or other imaging examinations. Tissue characterization by biopsy or fine-needle aspiration is required as endoscopic findings alone cannot exclude malignancy. The authors present 2 cases of gastric EP incidentally detected on endoscopy, which underwent further characterization by magnetic resonance imaging (MRI). In both cases, MRI showed submucosal gastric lesions, isointense to the orthotopic pancreas in all sequences, including hyperintensity on T1-weighted images. Furthermore, the lesions showed bright arterial phase enhancement, paralleling the native pancreas. MRI may provide the best non-invasive imaging method for evaluating gastric submucosal lesions. This report intends to show that EP shows a characteristic MR appearance that allows differentiation from other submucosal lesions.
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Affiliation(s)
- Miguel Braga
- Department of Radiology, Instituto Português de Oncologia de Lisboa Francisco Gentil, R. Prof. Lima Basto, 1099-023, Lisbon, Portugal
- Corresponding author.
| | - António P. Matos
- Department of Radiology, Hospital CUF Tejo, Av. 24 de Julho 171A, 1350-352, Lisbon, Portugal
| | - Pedro Pinto Marques
- Department of Gastroenterology, Hospital Garcia de Orta E.P.E., Av. Torrado da Silva, 2805-267, Almada, Portugal
| | - Miguel Ramalho
- Department of Radiology, Hospital Garcia de Orta E.P.E., Av. Torrado da Silva, 2805-267, Almada, Portugal
- Department of Radiology, Hospital da Luz, Av. Lusíada 100, 1500-650 Lisbon, Portugal
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Koullouros M, Stanzah F, Swalling A, Kanhere H. Heterotopic pancreatic tissue masquerading as a neuroendocrine tumour. ANZ J Surg 2022; 92:3353-3355. [PMID: 35343642 PMCID: PMC10078698 DOI: 10.1111/ans.17661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 12/31/2022]
Affiliation(s)
- Michalis Koullouros
- Division of Upper GI Surgery, Queen Elizabeth Hospital, Adelaide, South Australia, Australia.,Division of Surgery, Port Augusta Hospital, Port Augusta, South Australia, Australia
| | - Fellicia Stanzah
- Division of Surgery, Port Augusta Hospital, Port Augusta, South Australia, Australia
| | - Adam Swalling
- Department of Pathology, Clinpath Laboratories, Adelaide, South Australia, Australia
| | - Harsh Kanhere
- Division of Upper GI Surgery, Queen Elizabeth Hospital, Adelaide, South Australia, Australia.,Division of Surgery, Port Augusta Hospital, Port Augusta, South Australia, Australia.,Head of Unit of Upper GI Surgery, Royal Adelaide Hospital, Adelaide, South Australia, Australia.,Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
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38
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Zhang T, Yin SF, Wang QW, Feng WB, Ke CX. Case Report: The ectopic pancreas in the adrenal glands: It was found due to elevated blood pressure and initially diagnosed as adrenal adenoma. Front Surg 2022; 9:1040711. [PMID: 36406378 PMCID: PMC9669272 DOI: 10.3389/fsurg.2022.1040711] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022] Open
Abstract
Background The ectopic pancreas is a kind of congenital malformation formed during embryonic development, which has no anatomical relationship with the normal pancreas and is a rare solid disease. The ectopic pancreas in the adrenal glands is extremely rare. Case summary A 32-year-old man was admitted to the hospital after experiencing elevated blood pressure for 2 years as well as dizziness and blurred vision for 2 weeks. He had an elevated blood pressure of 170/110 mmHg (1 mmHg = 0.133 kPa) on physical examination 2 years ago, without palpitations, chest pain, and chest tightness. Two weeks ago, he presented with dizziness and blurred vision. Blood renin and aldosterone levels were elevated. Plain CT and contrast-enhanced CT scan showed nodular thickening of the left adrenal and homogeneous enhancement, which was initially considered adrenal adenoma. The postoperative pathology supported the ectopic pancreas in the left adrenal. After 78 months of postoperative follow-up, no recurrence was observed, but his blood pressure remained persistently high. Conclusion The ectopic pancreas occurring in the adrenal glands is extremely rare, has no specific clinical symptoms, and is mainly found for other reasons. It can easily be misdiagnosed as an adrenal adenoma. The final confirmation of the diagnosis still depends on the pathological biopsy. A great deal of reporting is still required for whether there is a correlation with elevated blood pressure.
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Affiliation(s)
- Tao Zhang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Department of Urology, The General Hospital of Western Theater Command, Chengdu, China
| | - Si-fan Yin
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qi-wu Wang
- Department of Urology, The General Hospital of Western Theater Command, Chengdu, China
| | - Wen-bo Feng
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chang-xing Ke
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
- Correspondence: Chang-Xing Ke
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39
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Sathiadoss P, Fasih N. Case 307: Heterotopic Pancreas in Jejunal Mesentery. Radiology 2022; 305:490-494. [DOI: 10.1148/radiol.210251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Paul Sathiadoss
- From the Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6
| | - Najla Fasih
- From the Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6
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40
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Griffith AM, Olpin JD. Imaging of Gastrointestinal Stromal Tumors. CURRENT RADIOLOGY REPORTS 2022. [DOI: 10.1007/s40134-022-00401-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Sun Z, Chen T, Zhu X, Geng J, Sui C, Zhang N, Guo L. Case report of retroperitoneal ectopic pancreas with adrenal adenoma. Front Surg 2022; 9:935211. [PMID: 36743901 PMCID: PMC9891801 DOI: 10.3389/fsurg.2022.935211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/16/2022] [Indexed: 01/19/2023] Open
Abstract
Background Ectopic pancreas is a congenital anomaly in which pancreatic tissue is anatomically separated from the main gland and without vascular or ductal continuity. A case of retroperitoneal ectopic pancreas with adrenal adenoma has never yet been reported. Case Presentation A 54-year-old man presented three masses in the left retroperitoneum, and two of them were resected. The pathologic findings were a retroperitoneal ectopic pancreas with adrenal adenoma. Conclusion We report an extremely rare case of a retroperitoneal ectopic pancreas and its characterization with dynamic gadolinium-enhanced magnetic resonance imaging (MRI).
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Affiliation(s)
- Zhaochen Sun
- Graduate School, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Tao Chen
- Clinical Laboratory, Jinan Maternal and Child Care Hospital, Jinan, China
| | - Xuefeng Zhu
- Department of Radiology, Zouping People's Hospital of Shandong Province, Zouping, China
| | - Jie Geng
- Department of Director's Office, JinanMunicipal Health Commission, Jinan, China
| | - Chaofan Sui
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Nan Zhang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China,Correspondence: Lingfei Guo, Nan Zhang
| | - Lingfei Guo
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China,Correspondence: Lingfei Guo, Nan Zhang
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42
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Gomes MM, Torres US, Shetty AS, Pacheco EO, Azzolini A, Bezerra FM, Silva G, Gomes NN, Coelho PL, D'Ippolito G. Cross-sectional Imaging of the Duodenum: Spectrum of Disease. Radiographics 2022; 42:E154-E155. [PMID: 35930474 DOI: 10.1148/rg.210111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Matheus M Gomes
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Ulysses S Torres
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Anup S Shetty
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Eduardo O Pacheco
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Anderson Azzolini
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Flavio M Bezerra
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Gabriella Silva
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Natalia N Gomes
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Pedro L Coelho
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
| | - Giuseppe D'Ippolito
- From the Department of Radiology, Universidade Federal de São Paulo (UNIFESP), 800 Napoleão de Barros St, São Paulo, SP, Brazil 04024-000 (M.M.G., E.O.P., A.A., F.M.B., G.S., N.N.G., P.L.C., G.D.); Grupo Fleury, São Paulo, Brazil (U.S.T., G.S.); and Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo (A.S.S.)
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43
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Keller EJ, de Castro CM, Ghanouni P, Shah J. Confirmation of Ectopic Pancreatic Tissue: A Novel Use for 18 F-Fluciclovine PET. Clin Nucl Med 2022; 47:e570-e571. [PMID: 35261353 DOI: 10.1097/rlu.0000000000004134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT This case features a 21-year-old woman with a history of ulcerative colitis who was incidentally found to have a para-jejunal mass when she presented with an ulcerative colitis flare. The mass was further characterized on MR enterography as most likely representing ectopic pancreatic tissue. Given the normal intense pancreatic uptake of 18 F-fluciclovine, PET/CT was subsequently used to confirm that the mass represented ectopic pancreatic tissue.
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44
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Khalyfa AA, Aslam R, Spyratos T. Heterotopic Pancreas in the Esophagus: What Do We Know?-A Review of the Literature. GASTRO HEP ADVANCES 2022; 2:144-146. [PMID: 39130160 PMCID: PMC11307577 DOI: 10.1016/j.gastha.2022.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/15/2022] [Indexed: 08/13/2024]
Abstract
Heterotopic pancreatic tissue is a rare phenomenon, which may occur in locations outside of the pancreas within the gastrointestinal tract. Of these locations, involvement in the esophagus is quite rare. It is paramount to improve our understanding regarding heterotopic pancreas, as some lesions may carry malignant potential. With this article, we present a case of heterotopic pancreas in the distal esophagus and review the current literature.
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Affiliation(s)
- Ahamed A. Khalyfa
- Department of Gastroenterology, Franciscan Health Olympia Fields, Olympia Fields, Illinois
| | - Rida Aslam
- Department of Gastroenterology, Franciscan Health Olympia Fields, Olympia Fields, Illinois
| | - Tilemahos Spyratos
- Department of Gastroenterology, Franciscan Health Olympia Fields, Olympia Fields, Illinois
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45
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Bello HR, Sekhar A, Filice RW, Radmard AR, Davarpanah AH. Pancreaticoduodenal Groove: Spectrum of Disease and Imaging Features. Radiographics 2022; 42:1062-1080. [PMID: 35594198 DOI: 10.1148/rg.210168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The pancreaticoduodenal groove (PDG) is a small space between the pancreatic head and duodenum where vital interactions between multiple organs and physiologic processes take place. Muscles, nerves, and hormones perform a coordinated dance, allowing bile and pancreatic enzymes to aid in digestion and absorption of critical nutrition. Given the multitude of organs and cells working together, a variety of benign and malignant entities can arise in or adjacent to this space. Management of lesions in this region is also complex and can involve observation, endoscopic resection, or challenging surgeries such as the Whipple procedure. The radiologist plays an important role in evaluation of abnormalities involving the PDG. While CT is usually the first-line examination for evaluation of this complex region, MRI offers complementary information. Although features of abnormalities involving the PDG can often overlap, understanding the characteristic imaging and pathologic features generally allows categorization of disease entities based on the suspected organ of origin and the presence of ancillary features. The goal of the authors is to provide radiologists with a conceptual approach to entities implicating the PDG to increase the accuracy of diagnosis and assist in appropriate management or presurgical planning. They briefly discuss the anatomy of the PDG, followed by a more in-depth presentation of the features of disease categories. A table summarizing the entities that occur in this region by underlying cause and anatomic location is provided. ©RSNA, 2022.
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Affiliation(s)
- Hernan R Bello
- From the Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, 1365-A Clifton Rd NE, Suite AT-627, Atlanta, GA 30322 (H.R.B., A.S., A.H.D.); Department of Radiology, MedStar Georgetown University Hospital, Washington, DC (R.W.F.); and Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran (A.R.R.)
| | - Aarti Sekhar
- From the Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, 1365-A Clifton Rd NE, Suite AT-627, Atlanta, GA 30322 (H.R.B., A.S., A.H.D.); Department of Radiology, MedStar Georgetown University Hospital, Washington, DC (R.W.F.); and Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran (A.R.R.)
| | - Ross W Filice
- From the Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, 1365-A Clifton Rd NE, Suite AT-627, Atlanta, GA 30322 (H.R.B., A.S., A.H.D.); Department of Radiology, MedStar Georgetown University Hospital, Washington, DC (R.W.F.); and Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran (A.R.R.)
| | - Amir Reza Radmard
- From the Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, 1365-A Clifton Rd NE, Suite AT-627, Atlanta, GA 30322 (H.R.B., A.S., A.H.D.); Department of Radiology, MedStar Georgetown University Hospital, Washington, DC (R.W.F.); and Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran (A.R.R.)
| | - Amir H Davarpanah
- From the Department of Radiology and Imaging Sciences, Emory University School of Medicine, Emory University Hospital, 1365-A Clifton Rd NE, Suite AT-627, Atlanta, GA 30322 (H.R.B., A.S., A.H.D.); Department of Radiology, MedStar Georgetown University Hospital, Washington, DC (R.W.F.); and Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran (A.R.R.)
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46
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Chin NH, Wu JM, Chen KC, Lee TH, Lin CK, Chung CS. Pancreatic Heterotopia in the Small Bowel: A Case Report and Literature Review. Pancreas 2022; 51:700-704. [PMID: 36206472 DOI: 10.1097/mpa.0000000000002061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
ABSTRACT Diagnosing pancreatic heterotopia (PH) is challenging, because it is a rare congenital anomaly. We report the case of a 66-year-old man who presented with ileus and jejunal PH diagnosed using single-balloon enteroscopy. Reviewing 178 cases of small intestinal PH in the literature showed that (1) PH mostly occurred at the duodenum (61.8%), followed by the jejunum (22.5%) and ileum (14.6%); (2) patients with ileal PH were younger (mean, 40.7 vs 54.6 years; P < 0.001), while those with jejunal PH were older (mean, 59.5 vs 51.7 years; P = 0.006); (3) most patients with jejunal PH were females, while those with duodenal or ileal PH were predominantly males (M:F = 0.8:1 vs 2.5:1; P = 0.003); (4) asymptomatic cases were rare (15.2% vs 83.4% in small and nonsmall bowel, respectively); (5) most patients with ileal PH presented with bleeding (61.5%), while the remaining had abdominal pain (42.8%); (6) emergent operation was performed in 11 cases (6.2%), mainly at the jejunum (12.5%) and Meckel's diverticulum (25%); and (7) Heinrich's classification may be inconclusive. Enteroscopy was performed in only 6 cases (3.4%), and earlier diagnosis and further minimally invasive procedures could have been achieved with enteroscopy.
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Affiliation(s)
- Ning-Hsuan Chin
- From the Division of Gastroenterology and Hepatology, Department of Internal Medicine
| | - Jiann-Ming Wu
- Department of Surgery, Far Eastern Memorial Hospital
| | - Kuan-Chih Chen
- From the Division of Gastroenterology and Hepatology, Department of Internal Medicine
| | - Tzong-Hsi Lee
- From the Division of Gastroenterology and Hepatology, Department of Internal Medicine
| | - Cheng-Kuan Lin
- From the Division of Gastroenterology and Hepatology, Department of Internal Medicine
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47
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Kim JW, Kim KA, Sim KC, Lee J, Park BN, Song MJ, Park YS, Lee J, Choi JW, Lee CH. Ectopic lesions in the abdomen and pelvis: a multimodality pictorial review. Abdom Radiol (NY) 2022; 47:2254-2276. [PMID: 35441342 DOI: 10.1007/s00261-022-03520-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 11/29/2022]
Abstract
Various ectopic lesions occur in the abdomen and pelvis and affect multiple organs including liver, gallbladder, pancreas, spleen, and organs of the genitourinary system. Ectopic organs may be present outside their normal positions, or ectopic tissues may develop while the original organ exists in its normal position. Both benign and malignant lesions can occur in ectopic organs and tissues. Owing to their unusual location, they can often be misdiagnosed as other lesions or even malignant lesions, such as metastasis or seeding. This multimodality pictorial review provides various cases of ectopic lesions in the abdomen and pelvis, which will help narrow the differential diagnosis and guide clinical decision-making.
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Affiliation(s)
- Jeong Woo Kim
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Kyeong Ah Kim
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea.
| | - Ki Choon Sim
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jisun Lee
- Department of Radiology, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Bit Na Park
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Mi Jin Song
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Yang Shin Park
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Jongmee Lee
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Jae Woong Choi
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
| | - Chang Hee Lee
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul, 08380, Korea
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Tsukihara S, Onda S, Son K, Ito D, Kanno H, Morikawa T, Hanyu N, Eto K. Laparoscopic surgery for duodenal perforation due to a diverticulum with heterotopic pancreas: a case report. Surg Case Rep 2022; 8:106. [PMID: 35648320 PMCID: PMC9160170 DOI: 10.1186/s40792-022-01460-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/25/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Heterotopic pancreas (HP) refers to the presence of abnormally located pancreatic tissue without any anatomic or vascular continuity with the main body of the pancreas. HP can occur in the gastrointestinal tract and be complicated by gastrointestinal bleeding, pancreatitis, obstruction, or malignant generation. Specifically, perforation of the gastrointestinal tract because of HP is extremely rare. CASE PRESENTATION A 91-year-old woman was diagnosed with duodenal perforation, and an emergency laparoscopic operation was performed. The operative findings indicated a tumor and duodenal wall perforation. The tumor and the perforated site were resected with a linear stapler. Histopathological examination revealed the presence of HP tissue in the submucosal layer around the diverticulum without any signs of inflammation. The perforated site was not covered by HP tissues, and the duodenal wall might have been weaker than the other areas, which could have caused the internal pressure to increase and led to the perforation. CONCLUSIONS Preoperative HP diagnosis is difficult, and it is crucial to consider HP as the differential diagnosis in gastrointestinal perforations. The duodenal diverticula can be perforated due to increased internal pressure of the duodenum caused by the imbalanced localization of HP.
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Affiliation(s)
- Shu Tsukihara
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan.
| | - Shinji Onda
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Kyonsu Son
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan
| | - Daisuke Ito
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan
| | - Hironori Kanno
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan
| | - Toshiaki Morikawa
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan
| | - Nobuyoshi Hanyu
- Department of Surgery, Tokyo General Hospital, 3-15-2 Ekoda, Nakano-ku, Tokyo, 165-8906, Japan
| | - Ken Eto
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
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Li S, Gao M, Tao L, Luo G, Gao Q, Qian K, Deng L. Clusters of malignant cysts in the gastric submucosal layer (with video). Endosc Ultrasound 2022; 11:518-519. [PMID: 36537391 PMCID: PMC9921984 DOI: 10.4103/eus-d-21-00133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
Affiliation(s)
- Shan Li
- Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Minna Gao
- Department of Pathology, Chongqing Medical University, Chongqing, China
| | - Li Tao
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guomin Luo
- Department of Oncology, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
| | - Qing Gao
- Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kun Qian
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China,Address for correspondence Dr. Liang Deng, Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China. E-mail:
Dr. Kun Qian, Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China. E-mail:
| | - Liang Deng
- Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China,Address for correspondence Dr. Liang Deng, Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China. E-mail:
Dr. Kun Qian, Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China. E-mail:
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A rare case of adenocarcinoma of an ectopic pancreas: A case report. Int J Surg Case Rep 2022; 94:107061. [PMID: 35413666 PMCID: PMC9018159 DOI: 10.1016/j.ijscr.2022.107061] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 01/04/2023] Open
Abstract
Introduction Ectopic pancreas refers to the presence of pancreatic tissue in an unusual anatomical location that has neither anatomic nor vascular continuity with the pancreas. Adenocarcinoma of an ectopic pancreas is rare; only few cases have been described in the literature. Presentation of case We reported a 69-year-old man who was admitted to the emergency department with feculent vomiting lasting two days prior to presentation. Endoscopy revealed pyloric stenosis. Biopsies performed during gastroscopy were in keeping with duodenal cancer, while those performed during endoscopic ultrasound suggested a gastric tumor. A subtotal gastrectomy was done because of results of the extemporaneous analysis and the suspicion of a gastric cancer. The final histopathological report revealed adenocarcinoma of an ectopic pancreas. Discussion Malignant transformation of an ectopic pancreas is very rare, and often occurs as an adenocarcinoma. A differential diagnosis of a gastric adenocarcinoma and a gastrointestinal stromal tumor is essential before treatment. Outcome and a literature review of the pathology, prognosis, and treatment will be discussed. Conclusion Despite adenocarcinoma of an ectopic pancreas being rare, it should be considered as a differential diagnosis of submucosal tumors. The standard treatment for ectopic pancreatic adenocarcinoma is surgery, with a higher survival rate of 5 years compared to pancreatic cancer. Frozen section analysis is essential because it will give an idea on the origin of the neoplasia and allow adaptation of the surgical procedure. This case report describes a case of adenocarcinoma of ectopic pancreas. Malignant transformation of the aberrant pancreas is very rare. Partial gastrectomy and duodenectomy of D1 was performed and sample sent for extemporaneous analysis. The standard treatment for ectopic pancreatic adenocarcinoma is surgery.
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