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Kawamura H, Takada H, Narui T, Harada T, Aiba R, Yamamoto Y, Adachi A, Kojima Y, Shibata S, Ikeuchi H, Hayashi N, Hirata Y, Fujieda H, Yamaguchi R, Tateyama H, Sobue S. Eosinophilic pancreatitis presenting as rupture of a pancreatic cystic lesion into the chest cavity. Clin J Gastroenterol 2021; 15:228-236. [PMID: 34694599 DOI: 10.1007/s12328-021-01536-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 10/13/2021] [Indexed: 11/28/2022]
Abstract
A 71-year-old man was receiving follow-up examination because of a retention cyst in the pancreatic body that extended to the dorsal extrahepatic area, but presented to the Emergency Department at our hospital with dyspnea and cough. Chest X-ray showed a large amount of left-sided pleural effusion and abdominal computed tomography (CT) showed reduction in size of the cystic lesion. Biochemical testing of the pleural effusion revealed high levels of pancreatic enzymes. We, therefore, diagnosed rupture of the pancreatic cystic lesion into the chest cavity. Endoscopic retrograde cholangiopancreatography (ERCP) demonstrated stenosis of the pancreatic duct and leakage of contrast medium at the cystic lesion. CT after ERCP revealed leakage of contrast medium from the cystic lesion through the dorsal extrahepatic area into the chest cavity. Endoscopic naso-pancreatic drainage was performed, but the cystic lesion and pleural effusion remained unimproved. Distal pancreatectomy was, therefore, performed. Microscopic examination revealed eosinophilic infiltration of the pancreatic parenchyma, leading to a diagnosis of eosinophilic pancreatitis (EP). Pancreatic retention cyst secondary to chronic pancreatitis associated with eosinophilic infiltration was considered to have ruptured into the chest cavity. EP is a rare etiology of pancreatitis and few cases have been reported. This case was thus considered valuable.
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Affiliation(s)
- Hayato Kawamura
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan.
| | - Hiroki Takada
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Tatsuki Narui
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Takahito Harada
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Reika Aiba
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Yuki Yamamoto
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Akihisa Adachi
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Yuki Kojima
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Shunsuke Shibata
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Hirokazu Ikeuchi
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Noriyuki Hayashi
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Yoshikazu Hirata
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Hironori Fujieda
- Department of Gastroenterological Surgery, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, Aichi, 4640021, Japan
| | - Ryuzo Yamaguchi
- Department of Gastroenterological Surgery, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Hisashi Tateyama
- Department of Pathology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
| | - Satoshi Sobue
- Department of Gastroenterology, Kasugai Municipal Hospital, 1-1-1 Takagicho, Kasugai, Aichi, 4868510, Japan
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Abstract
Eosinophilic pancreatitis (EP) is a rare clinical entity, and few cases have been reported. It usually presents on imaging as a pancreatic mass leading to common bile duct obstruction and jaundice. Since it can mimic a malignancy, eosinophilic pancreatitis is often diagnosed after “false positive” pancreatic resections. To our knowledge, we report the only known case of EP in which the diagnosis was made by fine needle aspiration and core biopsy of the pancreas during EUS, sparing the patient a surgical resection. After a steroid course, there was improvement of clinical symptoms.
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Abstract
OBJECTIVES In autoimmune pancreatitis (AIP), the prevalence, interrelationships, and significance of peripheral eosinophilia, allergic disorders, and eosinophil infiltration in the pancreas remain unclear. METHODS From medical records, we obtained data on peripheral eosinophil counts at presentation and follow-up, and clinical diagnoses of allergic disorders in 97 AIP patients (78 type 1 and 19 type 2), which were compared with matched healthy controls. Available pancreatic histologic specimens were graded for eosinophils. Peripheral eosinophilia was defined as counts >0.5×10(9) per liter. We examined nature of and association between these parameters in AIP. RESULTS Among 78 type 1 AIP patients (mean age 62±14 years, 77% men), peripheral eosinophilia at presentation was diagnosed in 12% and allergic disorders in 15% (vs. 0 and 4% in controls, P=0.0004 and 0.006, respectively). Allergic disorders were observed in 27 and 11% of type 1 AIP with and without eosinophilia, respectively (P=0.08). Patients with and without peripheral eosinophilia were similar in clinical profile. Moderate-to-severe eosinophil infiltration was present in 67% of pancreas resection specimens and did not correlate with peripheral eosinophilia. Type 2 AIP did not differ from type 1 AIP in any of these parameters. CONCLUSIONS Peripheral eosinophilia, allergic disorders, and pancreatic eosinophil infiltration are associated with AIP. Eosinophilia in AIP may not reflect an allergic phenomenon, but appears to be consistent with autoimmune mechanism.
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Abraham SC, Leach S, Yeo CJ, Cameron JL, Murakata LA, Boitnott JK, Albores-Saavedra J, Hruban RH. Eosinophilic pancreatitis and increased eosinophils in the pancreas. Am J Surg Pathol 2003; 27:334-42. [PMID: 12604889 DOI: 10.1097/00000478-200303000-00006] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Prominent eosinophilic infiltrates are an unusual finding in the pancreas. Eosinophilic pancreatitis is one rare etiology of pancreatic eosinophilia, but other described causes of eosinophilic infiltrates have also included pancreatic allograft rejection, pancreatic pseudocyst, lymphoplasmacytic sclerosing pancreatitis (LPSP), inflammatory myofibroblastic tumor, and histiocytosis X. In this study we describe the clinicopathologic features of three new cases of eosinophilic pancreatitis and conduct a retrospective 18-year institutional review of the myriad disease processes associated with pancreatic eosinophilia. In the files of the Johns Hopkins Hospital, <1% of all pancreatic specimens had been noted to show increased numbers of eosinophils. Eosinophilic pancreatitis itself was a rare etiology for pancreatic eosinophilia, with only one in-house case over the 18-year study period and two additional referral cases. Other disease processes associated with prominent eosinophilic infiltrates were more common and included pancreatic allograft rejection (14 cases), LPSP (5 of 24 total LPSP cases evaluated), inflammatory myofibroblastic tumor (4 cases), and systemic mastocytosis (1 case). Patients with eosinophilic pancreatitis showed two distinct histologic patterns: 1) a diffuse periductal, acinar, and septal eosinophilic infiltrate with eosinophilic phlebitis and arteritis; and 2) localized intense eosinophilic infiltrates associated with pseudocyst formation. All three patients with eosinophilic pancreatitis had peripheral eosinophilia, and all had multiorgan involvement. One patient with LPSP also had marked peripheral eosinophilia, and 5 of 24 LPSP cases demonstrated prominent eosinophilic infiltrates in the gallbladder, biliary tree, and/or duodenum. Notably, not all of these patients with LPSP with prominent eosinophils in other organs had increased eosinophils in the pancreas itself. These results emphasize the infrequent nature of pancreatic eosinophilia and its multiple potential disease associations. True eosinophilic pancreatitis, although a fascinating clinicopathologic entity, is one of the rarest causes of pancreatic eosinophilia.
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Affiliation(s)
- Susan C Abraham
- Department of Pathology, Hilton 11, Mayo Clinic, 220 First Street SW, Rochester, MN 55905, USA.
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