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Printes TRM, de Castro GL, Rabelo DC, da Silva Neto RA, da Silva Junior RA. Frantz's tumor as incidental finding during Heller myotomy for achalasia: case report and review of literature. Ann Med Surg (Lond) 2024; 86:4861-4864. [PMID: 39118740 PMCID: PMC11305790 DOI: 10.1097/ms9.0000000000002273] [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: 04/02/2024] [Accepted: 06/03/2024] [Indexed: 08/10/2024] Open
Abstract
Introduction Solid pseudopapillary tumor is a low-grade malignancy of the pancreas and predominantly affects young women. This neoplasm is a rare pancreatic entity with vague clinical presentation. Diagnosis is often incidental through imaging or even during surgical approach for another condition. Case presentation A 22-year-old Brazilian female with gastrointestinal symptoms was diagnosed with achalasia and underwent Heller myotomy. Intraoperatory findings included an enlarging mass in the distal pancreas. During follow-up for the surgical approach of achalasia, a hypothesis of Frantz's tumor was stated, and spleen-preserving distal pancreatectomy was performed. Discussion The pathological pathways of Frantz's tumor is still unclear, and its connection with chromosomal abnormalities is under investigation. Although the tumor has been reclassified over the years to solid pseudopapillary tumor, surgical resection remains the standard treatment. Conclusion Despite a surgical challenge, surgery presents a great prognosis in these patients and long-term survival. High suspicion and proper investigation are fundamental to diagnosis and early treatment.
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Lopes Vendrami C, Hammond NA, Escobar DJ, Zilber Z, Dwyer M, Moreno CC, Mittal PK, Miller FH. Imaging of pancreatic serous cystadenoma and common imitators. Abdom Radiol (NY) 2024:10.1007/s00261-024-04337-1. [PMID: 38825609 DOI: 10.1007/s00261-024-04337-1] [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: 03/26/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 06/04/2024]
Abstract
Pancreatic cystic neoplasms are lesions comprised of cystic components that show different biological behaviors, epidemiology, clinical manifestations, imaging features, and malignant potential and management. Benign cystic neoplasms include serous cystic neoplasms (SCAs). Other pancreatic cystic lesions have malignant potential, such as intraductal papillary mucinous neoplasms and mucinous cystic neoplasms. SCAs can be divided into microcystic (classic appearance), honeycomb, oligocystic/macrocystic, and solid patterns based on imaging appearance. They are usually solitary but may be multiple in von Hippel-Lindau disease, which may depict disseminated involvement. The variable appearances of SCAs can mimic other types of pancreatic cystic lesions, and cross-sectional imaging plays an important role in their differential diagnosis. Endoscopic ultrasonography has helped in improving diagnostic accuracy of pancreatic cystic lesions by guiding tissue sampling (biopsy) or cyst fluid analysis. Immunohistochemistry and newer techniques such as radiomics have shown improved performance for preoperatively discriminating SCAs and their mimickers.
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Affiliation(s)
- Camila Lopes Vendrami
- Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St. Suite 800, Chicago, IL, 60611, USA
| | - Nancy A Hammond
- Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St. Suite 800, Chicago, IL, 60611, USA
| | - David J Escobar
- Department of Pathology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Zachary Zilber
- Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St. Suite 800, Chicago, IL, 60611, USA
| | - Meaghan Dwyer
- Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St. Suite 800, Chicago, IL, 60611, USA
| | - Courtney C Moreno
- Department of Radiology and Imaging Sciences, Emory School of Medicine, Atlanta, GA, 30322, USA
| | - Pardeep K Mittal
- Department of Radiology and Imaging, Medical College of Georgia, Augusta, GA, 30912, USA
| | - Frank H Miller
- Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St. Suite 800, Chicago, IL, 60611, USA.
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Alvarez XD, Fernando Alcázar C, Hernando Sanz A, Mora Oliver I, Granel L, Barreras JA, Calero A, Carbonell Morote S, Domingo C, Estevan R, Oliver I, López Andujar R, Sabater L, Compañ A, Ramia JM. Solid pseudopapillary neoplasms of the pancreas: Multicenter Vasepa study. Cir Esp 2024; 102:307-313. [PMID: 38355041 DOI: 10.1016/j.cireng.2024.02.001] [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: 08/20/2023] [Accepted: 11/18/2023] [Indexed: 02/16/2024]
Abstract
INTRODUCTION Solid pseudopapillary tumors (SPT) of the pancreas are rare exocrine neoplasms of the pancreas. Correct preoperative diagnosis is not always feasible. The treatment of choice is surgical excision. These tumors have a good prognosis with a high disease-free survival rate. OBJECTIVE To describe the clinicopathological and radiological characteristics as well as short- and long-term follow-up results of patients who have undergone SPT resection. METHODS Multicenter retrospective observational study in patients with SPT who had undergone surgery from January 2000-January 2022. We have studied preoperative, intraoperative, and postoperative variables as well as the follow-up results (mean 28 months). RESULTS 20 patients with histological diagnosis of SPT in the surgical specimen were included. 90% were women; mean age was 33.5 years (13-67); 50% were asymptomatic. CT was the most used diagnostic test (90%). The most frequent location was body-tail (60%). Preoperative biopsy was performed in 13 patients (65%), which was correct in 8 patients. Surgeries performed: 7 distal pancreatectomies, 6 pancreaticoduodenectomies, 4 central pancreatectomies, 2 enucleations, and 1 total pancreatectomy. The R0 rate was 95%. Four patients presented major postoperative complications (Clavien-Dindo > II). Mean tumor size was 81 mm. Only one patient received adjuvant chemotherapy. With a mean follow-up of 28 months, 5-year disease-free survival was 95%. CONCLUSION SPT are large, usually located in the body-tail of the pancreas, and more frequent in women. The R0 rate obtained in our series is very high (95%). The oncological results are excellent.
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Affiliation(s)
- Xiomara Duque Alvarez
- Departamento de Cirugía, Hospital General Universitario Dr. Balmis, Alicante, Spain.
| | | | - Ana Hernando Sanz
- Departamento de Cirugía, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Isabel Mora Oliver
- Departamento de Cirugía, Hospital Clínico Universitario de Valencia, Valencia, Spain
| | - Laura Granel
- Departamento de Cirugía, Hospital General Universitario de Castellón, Castellón, Spain
| | - José A Barreras
- Departamento de Cirugía, Hospital General Universitario de Elche, Elche, Spain
| | - Alicia Calero
- Departamento de Cirugía, Hospital General Universitario de Elche, Elche, Spain
| | | | - Carlos Domingo
- Departamento de Cirugía, Hospital Universitario Doctor Peset, Valencia, Spain
| | - Rafael Estevan
- Departamento de Cirugía, Instituto Valenciano de Oncología, Valencia, Spain
| | - Israel Oliver
- Departamento de Cirugía, Hospital General Marina Baja Villajoyosa. Villajoyosa, Spain
| | - Rafael López Andujar
- Departamento de Cirugía, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Luis Sabater
- Departamento de Cirugía, Hospital Clínico Universitario de Valencia, Valencia, Spain
| | - Antonio Compañ
- Departamento de Cirugía, Hospital General Universitario San Juan, Alicante, Spain; Universidad Miguel Hernández, Campus Sant Joan Alicante, Spain
| | - José M Ramia
- Departamento de Cirugía, Hospital General Universitario Dr. Balmis, Alicante, Spain; Universidad Miguel Hernández, Campus Sant Joan Alicante, Spain
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Meliti A, Al-Maghrabi J. Solid Pseudopapillary Neoplasm of the Pancreas: A Clinicopathological Study of 12 Cases With Emphasis on Diagnostic Pitfalls. Cureus 2023; 15:e49858. [PMID: 38169685 PMCID: PMC10758586 DOI: 10.7759/cureus.49858] [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] [Accepted: 12/03/2023] [Indexed: 01/05/2024] Open
Abstract
INTRODUCTION Solid pseudopapillary neoplasm of the pancreas (SPNP) is a rare primary neoplasm with distinct clinicopathological features. The tumor most commonly occurs in younger (premenopausal) women and is typified by low malignant potential and an excellent overall prognosis. METHODS A retrospective search over 20 years at two referral tertiary care institutions (King Faisal Hospital and Research Center and King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia) revealed 12 female patients diagnosed with SPNPs. The reslts of ancillary studies performed at the time of diagnosis were also reviewed and placed in the context of current recommendations. RESULTS The clinical and pathological findings were reviewed. All patients were females, aged 18 to 30 years. Eight patients presented with abdominal pain, of which two experienced significant weight loss, and four presented with abdominal mass/discomfort. The tumor size ranged from 1.5 and 15 cm. Two cases were initially diagnosed as neuroendocrine tumors (NETs). One of the cases presented as a multifocal disease. All patients were treated surgically with a follow-up period between one and 11 years. Only one patient presented with peritoneal metastasis after seven years of follow-up, but generally, all are doing well. CONCLUSIONS We have analyzed 12 SPNP cases in our population over 20 years (2001-2021) in this study. In brief, SPNP is a low-grade malignant potential tumor. Even though SPNP is a recognized entity, diagnostic challenges can arise particularly in the setting of limited sampling. Pathologists must be aware of the classic morphological features of SPNP and the characteristic profile of immunohistochemistry and be able to differentiate SPNP from other mimickers, especially well-differentiated NETs of the pancreas, and ultimately to avoid misdiagnosis and unnecessary oncologic treatment. Adequate surgical resection with negative margins is associated with an excellent outcome.
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Affiliation(s)
- Abdelrazak Meliti
- Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Jeddah, SAU
- Pathology, Alfaisal University College of Medicine, Riyadh, SAU
| | - Jaudah Al-Maghrabi
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, SAU
- Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Jeddah, SAU
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Tine A, Ahn HJC, Patel AN, Laidig W, Zhang N, Kendall TJ, Henry L. A Case of Solid Pseudopapillary Tumor of the Pancreas. Cureus 2023; 15:e45399. [PMID: 37854765 PMCID: PMC10581029 DOI: 10.7759/cureus.45399] [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: 08/20/2023] [Accepted: 09/16/2023] [Indexed: 10/20/2023] Open
Abstract
We report a rare case of solid pseudopapillary neoplasm in a 24-year-old woman, who presented with progressively worsening left epigastric and right lower quadrant abdominal pain for several weeks. A CT scan showed a mass in the tail of the pancreas that extended to the hilum of the spleen. Endoscopic ultrasound (EUS)-guided fine needle aspiration (FNA) and immunohistochemical analysis exhibited findings pathognomonic for solid pseudopapillary neoplasm. The patient underwent distal pancreatectomy and splenectomy. Post-surgical biopsy confirmed the FNA findings, with the tumor confined to the pancreas and no extension to nearby structures. The patient did not require any other adjuvant therapy. She was asymptomatic at the one-month follow-up and showed no signs of disease. We discuss the unique circumstances of this case and highlight the importance of differentiating this tumor from other pancreatic neoplasms.
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Affiliation(s)
- Albert Tine
- Department of Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | - Heong Jin C Ahn
- Department of Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | - Arsh N Patel
- Department of Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | - William Laidig
- Department of Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | - Nathan Zhang
- Department of Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | | | - Latasha Henry
- Gastroenterology, Ascension Providence Hospital, Mobile, USA
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Stefanova N, Kalinov T, Kolev N, Kalchev E. Frantz Tumor: A Case Report of Solid Pseudopapillary Tumor of Pancreas. Cureus 2023; 15:e41698. [PMID: 37575792 PMCID: PMC10413994 DOI: 10.7759/cureus.41698] [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] [Accepted: 07/10/2023] [Indexed: 08/15/2023] Open
Abstract
The solid pseudopapillary tumor (SPT) is a rare pancreatic lesion that usually affects young and middle-aged patients and has a female predominance and low malignant potential. The exact histogenesis of this tumor is still unclear. We present the case of a 60-year-old female patient with occasional abdominal pain. Positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) revealed a tumor mass in the pancreatic tail. Distal pancreatectomy and splenectomy were performed. The result from the pathology report was solid pseudopapillary neoplasm (SPN). The patient underwent four cycles of adjuvant chemotherapy with gemcitabine, which she tolerated well without complaints. A control computed tomography (CT) scan and PET/CT of the abdomen (five months after the operation) showed a cystic lesion suspicious for local recurrence in the pancreatic tail during the follow-up period. The patient underwent a second surgery operation. Subsequent histological examination showed chronic indurative pancreatitis, areas with steatonecrosis, lipogranulomas, and fibrosis without evidence of relapse. SPT is a rare pancreatic tumor that most commonly affects young women. Although the tumor has locally aggressive characteristics, the prognosis is excellent after surgical excision. Our case emphasizes that this tumor can occur not only in young women but also in older patients. Chronic granulomatous inflammation and indurative pancreatitis can sometimes mimic a relapse on CT and PET/CT image tests.
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Affiliation(s)
- Nadezhda Stefanova
- Department of General and Clinical Pathology, Forensic Medicine and Deontology, Medical University of Varna, "St. Marina" University Hospital, Varna, BGR
| | - Turgay Kalinov
- Department of General Surgery, Medical University of Varna, "St. Marina" University Hospital, Varna, BGR
| | - Nikola Kolev
- Department of General Surgery, Medical University of Varna, "St. Marina" University Hospital, Varna, BGR
| | - Emilian Kalchev
- Department of Diagnostic Imaging and Radiotherapy, Medical University of Varna, "St. Marina" University Hospital, Varna, BGR
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Ishii T, Terasaka T, Nishida K, Wada J. Retroperitoneal Solid Pseudopapillary Tumor Mimicking Adrenal Malignant Tumor in a 67-Year-Old Man. JCEM CASE REPORTS 2023; 1:luad090. [PMID: 37908992 PMCID: PMC10580579 DOI: 10.1210/jcemcr/luad090] [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: 03/08/2023] [Indexed: 11/02/2023]
Abstract
Solid pseudopapillary tumor (SPT) is a low-grade malignant tumor of the pancreas. SPT typically affects women and can occur in ectopic pancreatic region; however, it also occurs rarely in retroperitoneum. The tumor may be bulky at the time of diagnosis since there is no specific clinical manifestation. Here we present an older male case with retroperitoneal SPT. A 67-year-old man consulted for intermittent fever and lumbago. His basal hormonal profile screened out a functional tumor. Computed tomography (CT) showed a gigantic mass in his left adrenal region. A normal left adrenal gland was not identified, and the tumor's feeding artery was recognized as the left adrenal artery by the contrast-enhanced CT. Adrenal malignant tumor was suspected, and tumor resection was performed. The resected tumor size was 15 × 10 × 9 cm. Histologically, epithelial-like cells with round nuclei and a small amount of eosinophilic cytoplasm proliferated in papillary (around the blood vessels) or uniformly solid form. By immunostaining, tumor cells were vimentin, CD56, cytokeratin AE1/AE3, CD10, β-catenin in the nucleus, cyclin D1, and PgR positive. These findings led to the diagnosis of SPT. Although rare, SPT should be considered as a differential diagnosis in cases of a mass arising from the adrenal region.
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Affiliation(s)
- Takahiro Ishii
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
- Endocrine Center, Okayama University Hospital, Okayama, 700-8558, Japan
| | - Tomohiro Terasaka
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
- Endocrine Center, Okayama University Hospital, Okayama, 700-8558, Japan
| | - Kenji Nishida
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama, 700-8558, Japan
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
- Endocrine Center, Okayama University Hospital, Okayama, 700-8558, Japan
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8
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Zhang Q, Qiu YJ, Yang DH, Lu XY, Chen S, Dong Y, Wang WP. Differential diagnosis between pancreatic solid pseudopapillary tumors and pancreatic neuroendocrine tumors based on contrast enhanced ultrasound imaging features. Clin Hemorheol Microcirc 2023; 85:421-431. [PMID: 37718786 DOI: 10.3233/ch-231932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
PURPOSES To evaluate the application of contrast enhanced ultrasound (CEUS) in preoperatively differential diagnosis between pancreatic solid pseudopapillary tumors (SPTs) and pancreatic neuroendocrine tumors (pNETs). PATIENTS AND METHODS This retrospective study was approved by Institutional Review Board. Patients with surgical resection and histopathological diagnosis as SPTs and pNETs were included. All patients underwent B mode ultrasound (BMUS) and CEUS examinations within one week before surgical operation. On BMUS, the size, location, echogenicity, calcification, and margin of lesions were observed and recorded. On CEUS imaging, enhancement patterns, and enhancement degrees were recorded and analyzed. An independent t-test or Mann-Whitney U test was used for comparison between continuous variables. Chi-square test was used to compare the CEUS patterns. RESULTS From February 2017 to Dec 2022, patients diagnosed as SPTs (n = 39) and pNETs (n = 48) were retrospectively included. On BMUS, anechoic cystic changes (19/39, 48.72%) and hyperechoic calcification (14/39, 35.90%) are more commonly detected in SPTs (P = 0.000). On CEUS imaging, the majority of SPTs (27/39, 69.23%) showed hypo-enhancement in the arterial phase, while most of the pNETs (36/48, 75.00%) showed hyper- or iso-enhancement in the arterial phase (P = 0.000). In the venous phase, most of the SPTs (32/39, 82.05%) showed hypo-enhancement, while over half of pNETs (29/48, 60.42%) showed hyper- or iso-enhancement compared to pancreatic parenchyma (P = 0.001). CONCLUSIONS CEUS is a valuable and non-invasive imaging method to make preoperatively differential diagnoses between SPTs and pNETs.
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Affiliation(s)
- Qi Zhang
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yi-Jie Qiu
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Dao-Hui Yang
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University (Xiamen Branch), Xiamen, China
| | - Xiu-Yun Lu
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Sheng Chen
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yi Dong
- Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wen-Ping Wang
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
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Lin YJ, Burkhart R, Lu TP, Wolfgang C, Wright M, Zheng L, Wu HY, Chen CH, Lee SY, Wu CH, He J, Tien YW. Solid Pseudopapillary Neoplasms of the Pancreas Across Races Demonstrate Disparities with Comparably Good Prognosis. World J Surg 2022; 46:3072-3080. [PMID: 36066663 DOI: 10.1007/s00268-022-06717-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND Solid pseudopapillary neoplasms (SPNs) of the pancreas are rare with low-grade malignancy and unclarified clinicopathological features. This study aimed to examine their characteristics and re-evaluate current treatments. METHODS Databases from three sources were screened for patients with SPNs. We compared the perioperative variables, clinical data, overall survival (OS), and prognostic factors for recurrence among the three corresponding cohorts. RESULTS We identified 286 patients diagnosed with SPNs between 1988 and 2020. Patients were mostly women (81%; median age: 38 years), and peak incidence was observed in women of 20-29 years of age. SPNs had a peak incidence in Asian men at 50-59 years of age (p = 0.002) and a delayed peak incidence in Asian women at 30-39 years of age (p < 0.001). Treatment strategies differed significantly across the institutions and included variations in the number of harvested lymph nodes and rates of vascular resection. Lymph node positivity was the only predictor of postoperative recurrence (odds ratio, 2.2; 95% confidence interval, 1.38-2.99; p = 0.007). Higher rates of lymphovascular invasion (p = 0.02), perineural invasion (p < 0.001), and R1 margin involvement (p < 0.001), as seen in one institution, did not result in poorer long-term survival in terms of the overall (p = 0.43), SPN-specific (p = 0.69), and recurrence-free survivals (p = 0.067). CONCLUSIONS In contrast to previous findings that SPNs are prevalent in young women, a racial predilection for middle-aged Asian men and a delayed female peak incidence were noted. Parenchyma-preserving pancreatectomy may be an acceptable treatment. Non-radical surgery may be appropriate in patients with multiple comorbidities.
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Affiliation(s)
- Young-Jen Lin
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei, 10002, Taiwan
| | - Richard Burkhart
- Division of Hepatobiliary and Pancreatic Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 614, Baltimore, MD, 21287, USA
| | - Tzu-Pin Lu
- Department of Public Health, Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
| | - Christopher Wolfgang
- Department of Surgery, New York University Langone Health System, New York University Grossman School of Medicine, New York, NY, USA
| | - Michael Wright
- Division of Hepatobiliary and Pancreatic Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 614, Baltimore, MD, 21287, USA
| | - Lei Zheng
- Departments of Surgery and Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,The Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Han-Yu Wu
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei, 10002, Taiwan
| | - Ching-Hsuan Chen
- Department of Public Health, Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
| | - Shin-Yi Lee
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei, 10002, Taiwan
| | - Chien-Hui Wu
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei, 10002, Taiwan. .,Department of Public Health, Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan.
| | - Jin He
- Division of Hepatobiliary and Pancreatic Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 614, Baltimore, MD, 21287, USA.
| | - Yu-Wen Tien
- Department of Surgery, National Taiwan University Hospital and National Taiwan University College of Medicine, No. 7 Chung-Shan South Rd., Taipei, 10002, Taiwan
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Clinical Course, Genetic, and Immunohistochemical Characterization of Solid Pseudopapillary Tumor of the Pancreas (Frantz Tumors) in a Brazilian Cohort. Genes (Basel) 2022; 13:genes13101809. [PMID: 36292694 PMCID: PMC9601385 DOI: 10.3390/genes13101809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/02/2022] [Accepted: 10/03/2022] [Indexed: 11/17/2022] Open
Abstract
Frantz tumors or solid pseudopapillary pancreatic neoplasm (SPN) are rare exocrine neoplasms that carry a favorable prognosis; they represent up to 3% of all tumors located in the region of the pancreas and have specific age and gender predispositions. In recent years, the rising curve of diagnosis is entitled to the evolution and access of diagnostic imaging. In this paper, we have retrospectively reviewed and described the clinical course of 40 patients with SPN from three institutions in Brazil, who had their diagnosis between 2005 and 2020, and analyzed the clinicopathological, genetic, and surgical aspects of these individuals. In accordance with the literature, most patients were women, 60% with unspecified symptoms at diagnosis, with tumors mainly located in the body and tail of the pancreas, of whom 70% underwent a distal pancreatectomy with sparing splenectomy as a standard procedure, and none of the cases have experienced recurrence to date. Surgery still remains the mainstay of treatment given the low metastatic potential, but more conservative approaches as observed in this cohort are evolving to become the standard of care. Herein, we present an in-depth analysis of cases focusing on the latest literature and report some of the smallest tumor cases in the literature. To our knowledge, this is the first report evaluating germline genetic testing and presenting a case of detected Li-Fraumeni syndrome.
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11
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Yang J, Tan CL, Long D, Liang Y, Zhou L, Liu XB, Chen YH. Analysis of invasiveness and tumor-associated macrophages infiltration in solid pseudopapillary tumors of pancreas. World J Gastroenterol 2022; 28:5047-5057. [PMID: 36160642 PMCID: PMC9494934 DOI: 10.3748/wjg.v28.i34.5047] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/05/2022] [Accepted: 08/25/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Solid pseudopapillary tumor (SPT) is a rare pancreatic tumor. Considering its malignant behaviors, SPT has been classified as a low-grade malignant tumor. Indeed, only 9.2% of all SPT patients are initially diagnosed as malignant with invasion or metastasis. Thus, one of the challenges in managing SPT patients is predicting malignant behavior.
AIM To investigate the malignant behavior and tumor-associated macrophage (TAM) infiltration between different histopathologic features of SPT patients.
METHODS Twenty-five formalin-fixed paraffin-embedded tissue samples from 22 patients pathologically diagnosed with an SPT between 2009 and 2019 at West China Hospital were included in this retrospective study. Integrity of the capsule and growth pattern of the tumor cells was assessed microscopically in hematoxylin-eosin (HE)-stained sections. Based on the histopathological features, the SPT patients were divided into two groups: capsule or invasion. Clinical features, malignant behavior, and TAM infiltration were compared between the two groups.
RESULTS Among the 22 SPT patients, 11 were identified for each group, having either a capsule or invasion histopathologic feature. Malignant behavior was more frequent in the invasion group, including 2 patients who had peripheral organ invasion, 3 with liver metastasis, and 1 with both lymph node and spleen metastases (P= 0.045). Ki-67 index of more than 3% was also more frequent in the invasion group (P = 0.045). Immunohistochemical analysis showed that the invasion group had a significant increase of CD68-positive TAMs in intratumor and peritumor sites in comparison with the capsule group (all P < 0.0001). Similarly, CD163-positive M2-like macrophages were also markedly increased in the intratumor and peritumor sites in the invasion group (all P < 0.0001). At the liver metastasis site, both intratumor and peritumor tissues showed relatively high-level CD68-positive TAMs and CD163-positive M2-like macrophages infiltration. However, the differences between the intratumor, peritumor and normal hepatic tissues did not reach statistical significance (all P > 0.05).
CONCLUSION SPT patients with invasion evident under microscope were more likely to exhibit malignant behavior and TAM infiltration, especially M2-like macrophages. This finding can help in future investigations of the underlying mechanism of TAM-mediated SPT malignant behavior.
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Affiliation(s)
- Jie Yang
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Chun-Lu Tan
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Dan Long
- Key Laboratory of Transplant Engineering and Immunology of the Ministry of Health, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Yan Liang
- Core Facilities, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Li Zhou
- Core Facilities, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Xu-Bao Liu
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Yong-Hua Chen
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
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12
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Reddy SH, Zen Y, Aluvihare V, Menon KV. Liver Transplantation for Metastases From Solid Pseudopapillary Tumor of the Pancreas: A Case Report and Review of Literature. Transplant Direct 2022; 8:e1328. [PMID: 35620735 PMCID: PMC9128794 DOI: 10.1097/txd.0000000000001328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 02/23/2022] [Accepted: 03/09/2022] [Indexed: 11/26/2022] Open
Affiliation(s)
- Shruthi H.S. Reddy
- Liver Transplant Surgery, Institute of Liver Studies, King’s College Hospital, London, United Kingdom
| | - Yoh Zen
- Liver Histopathology, Department of Histopathology, Institute of Liver Studies, King’s College Hospital, London, United Kingdom
| | - Varuna Aluvihare
- Transplant Hepatology, Institute of Liver Studies, King’s College Hospital, London, United Kingdom
| | - Krishna V. Menon
- Liver Transplant Surgery, Institute of Liver Studies, King’s College Hospital, London, United Kingdom
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13
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Peculiar encounter of sarcoidosis and solid pseudopapillary tumor of the pancreas. ROMANIAN JOURNAL OF INTERNAL MEDICINE 2022; 60:132-137. [DOI: 10.2478/rjim-2022-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Indexed: 11/20/2022] Open
Abstract
Abstract
Objective: Current literature indicates a connection between sarcoidosis and malignancy, prompting advanced screening in uncertain cases. Solid pseudopapillary tumors (SPT) of the pancreas are rare entities that can be confirmed by adding imaging results to immunohistochemistry staining. The aim of this article is to describe a rare association of sarcoidosis and SPT.
Materials and methods: Case report.
Results: A young female patient with no prior medical history presents with shortness of breath and fatigue. The diagnosis of pulmonary and hepatic sarcoidosis is placed upon laboratory and radiographic changes. Intermittent abdominal pain prompts an MRI that shows the presence of a tumoral mass in the tail of the pancreas. Surgical resection of the mass is performed and histological examination indicates a SPT, subsequently confirmed by immunohistochemistry.
Conclusion: This is the third reported case of concomitant sarcoidosis and solid pseudopapillary tumor of the pancreas.
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Cruz MAA, Moutinho-Ribeiro P, Costa-Moreira P, Macedo G. Solid Pseudopapillary Neoplasm of the Pancreas: Unfolding an Intriguing Condition. GE PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2022; 29:151-162. [PMID: 35702168 PMCID: PMC9149554 DOI: 10.1159/000519933] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/28/2021] [Indexed: 08/10/2023]
Abstract
Pancreatic cancer is one of the most lethal malignant neoplasms, with a 1-year survival rate after diagnosis of 24%, and a 5-year survival rate of only 9%. While this illustrates the behavior of its main histologic type - ductal adenocarcinoma, there are other histologic subtypes of pancreatic cancer that can harbor excellent prognosis. Solid pseudopapillary neoplasm, described as a rare low-grade malignant neoplasm by the World Health Organization, is the best example of that, having an overall 5-year survival rate of about 97%. Not only the prognosis, but everything about this entity is unique: its histogenesis, epidemiology, presentation, imaging characteristics, cytology features, immunohistochemical profile, and treatment. This explains the urge to improve our understanding about this entity and thus our ability to accurately recognize and manage it. Having this in mind, this article aims to summarize the most relevant topics regarding this entity.
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Affiliation(s)
| | - Pedro Moutinho-Ribeiro
- Faculty of Medicine, University of Porto, Porto, Portugal
- Gastroenterology Department, Centro Hospitalar e Universitário São João, Porto, Portugal
| | - Pedro Costa-Moreira
- Faculty of Medicine, University of Porto, Porto, Portugal
- Gastroenterology Department, Centro Hospitalar e Universitário São João, Porto, Portugal
| | - Guilherme Macedo
- Faculty of Medicine, University of Porto, Porto, Portugal
- Gastroenterology Department, Centro Hospitalar e Universitário São João, Porto, Portugal
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15
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Ehemann J, Slater K. Long-term survival following resection of a solid pseudopapillary tumour of the pancreas with arterial and venous encasement. BMJ Case Rep 2022; 15:e245956. [PMID: 35260398 PMCID: PMC8905952 DOI: 10.1136/bcr-2021-245956] [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] [Accepted: 11/07/2021] [Indexed: 11/03/2022] Open
Abstract
Solid pseudopapillary neoplasms (SPNs) of the pancreas (also known as Franz tumours) are rare, representing 1%-2% of pancreatic tumours. They are of exocrine gland origin and are more prevalent in women under the age of 30. They are classified as low-grade malignancies and are usually treated with surgery.We present the case of a young woman who was found to have a pancreatic head lesion obstructing the superior mesenteric vein and encasing the superior mesenteric artery. Diagnosis of SPN was confirmed on histology. Initially deemed unresectable due to vascular encasement, the patient received neoadjuvant chemotherapy to downstage the tumour. This was unsuccessful. Given the patient's young age and lack of other options, surgery was performed. Instead of vascular resection, the tumour was split and peeled off the superior mesenteric artery giving an R1 resection. The patient has achieved long-term recurrence free survival at 10 years.
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Affiliation(s)
- Joanne Ehemann
- Department of General Surgery, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Kellee Slater
- Department of General Surgery, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
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16
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Pratap T, Jacob D, Yadav A, Jalal MJA, Mathew IL. Large Solid Pseudopapillary Tumor Pancreas with Extensive Splenoportal Thrombosis and Malignant Transformation—A Rare Entity. JOURNAL OF GASTROINTESTINAL AND ABDOMINAL RADIOLOGY 2022. [DOI: 10.1055/s-0042-1742679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
AbstractSolid pseudopapillary tumor (SPT) is an uncommon low-grade malignant cystic exocrine neoplasm of the pancreas that typically affects young women. The tumor has an excellent prognosis after surgical resection. Vascular involvement is usually not seen at presentation. Local recurrence and metastasis are also rare. Herein, we present a case of large, locally advanced SPT in a young female with splenoportal extension and malignant transformation.
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Affiliation(s)
- Thara Pratap
- Department of Radiology, VPS Lakeshore Hospital, Kochi, Kerala, India
| | - Dhanya Jacob
- Department of Radiology, VPS Lakeshore Hospital, Kochi, Kerala, India
| | - Abhishek Yadav
- Comprehensive Liver Care Institute, VPS Lakeshore Hospital, Kochi, Kerala, India
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17
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Paredes O, Paredes K, Kawaguchi Y, Luque-Vasquez C, Chavez I, Celis J, Payet E, Ruiz E, Berrospi F. Clinicopathological factors associated with recurrence in patients undergoing resection of pancreatic solid pseudopapillary neoplasm. Discov Oncol 2021; 12:53. [PMID: 35201506 PMCID: PMC8777513 DOI: 10.1007/s12672-021-00451-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/17/2021] [Indexed: 11/06/2022] Open
Abstract
PURPOSE Solid pseudopapillary neoplasm (SPN) is an uncommon pathology with a low-grade malignancy. Surgery is the milestone treatment. Nevertheless, despite appropriate management, some patients present recurrence. Risk factors associated with recurrence are unclear. The objective was to identify the clinicopathological factors associated with recurrence in patients with SPN treated with pancreatic resection. METHODS Medical records of patients treated with pancreatic resection during 2006-2020 were evaluated. Patients with histological diagnosis of SPN were included. Survival analysis was performed to identify the clinicopathological factors related to recurrence. RESULTS Seventy-four patients were diagnosed with SPN; 70 (94.6%) patients were female, and the median age was 20 years old. The median tumor diameter was 7.9 cm. Multivisceral resection was performed in 9 (12.2%) patients. Four (5.4%) patients presented lymph node metastasis.R0 resection was achieved in all cases. Six (8%) patients presented recurrence and the liver was the most frequent recurrence site (n = 5).After a median follow-up of 40.2 months, 9 (12%) patients died. Five (6.8%) patients died of disease progression. The 1-3- and 5-year overall survival (OS) was 97.1%, 90.2% and 79.9%, respectively. The 1-3-and-5-year recurrence-free survival (RFS) was 98.4%, 89.9% and 87%, respectively. In the univariate Cox-regression analysis, age ≥ 28 years(HR = 8.61, 95% CI 1.1-73.8),tumor diameter ≥ 10 cm(HR = 9.3, 95% CI 1.12-79.6),invasion of adjacent organs (HR = 7.45, 95% CI 1.5-36.9), lymph node metastasis (pN +) (HR = 16.8, 95% CI 2.96-94.9) and, AJCC Stage III (HR = 10.1, 95% CI 1.2-90.9) were identified as predictors for recurrence. CONCLUSIONS SPN is more frequently diagnosed in young women with a good overall prognosis after an R0 surgical resection even with disease recurrence. Age ≥ 28 years, larger tumors ≥ 10 cm, invasion of adjacent organs, lymph node metastasis(pN +) and, AJCC Stage III were predictors factors of recurrence in resected SPN.
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Affiliation(s)
- Oscar Paredes
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru.
- , Montesquieu Street 277, Lima, Perú.
| | - Kori Paredes
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Yoshikuni Kawaguchi
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Carlos Luque-Vasquez
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Iván Chavez
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Juan Celis
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Eduardo Payet
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Eloy Ruiz
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
| | - Francisco Berrospi
- Department of Abdominal Surgery, National Institute of Neoplastic Diseases INEN, Lima, Peru
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18
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Perez A, Arcilla C, Fontanilla MRK, Berberabe AE. Resection of a recurrent solid pseudopapillary neoplasm of the pancreas after duodenal sparing pancreaticoduodenectomy: A case report. Int J Surg Case Rep 2021; 88:106526. [PMID: 34710773 PMCID: PMC8577456 DOI: 10.1016/j.ijscr.2021.106526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/15/2021] [Accepted: 10/15/2021] [Indexed: 01/19/2023] Open
Abstract
Introduction Solid Pseudopapillary Neoplasm (SPN) is a rare pancreatic neoplasm with low malignant potential and a relative indolent course. Complete resection of the SPN is curative for most cases and has a high survival rate. Recurrences, though rare, can still occur despite adequate resection. Pancreaticoduodenectomy is commonly performed to treat pancreatic head SPNs. In recent years, duodenum-preserving pancreatic head resection (DPPHR) has been reported as a less radical and acceptable alternative. Case presentation We are reporting a case of 26-year old female who presented with a 7 month history of epigastric pain and increasing abdominal girth. She was diagnosed by MRI to have a huge but resectable pancreatic head mass and subsequently underwent duodenum-preserving pancreatic head resection (DPPHR) with pancreaticojejunostomy. Histopathologic examination revealed a solid pseudopapillary tumor (SPN) with lymphovascular invasion and negative margins of resection. The patient underwent hepaticojejunostomy 5 months after resection for biliary stricture. Surveillance imaging revealed tumor recurrence warranting re-exploration for recurrence 3 years after the initial surgery. Intraoperative findings revealed the mass at the distal pancreatic remnant, requiring distal pancreatectomy and splenectomy. Discussion Solid pseudopapillary neoplasms are rare pancreatic neoplasms. Surgical resection of SPNs affords long term cure with good 5-year survival rates for localized tumors Despite the low malignant potential of SPNs, relapse after resection can still occur. Conclusion Complete local resection of the tumor is the treatment of choice in SPNs. DPPHR should be considered as an alternative in young patients with a localized SPN in the pancreatic head. Solid pseudopapillary neoplasm (SPN) is a rare pancreatic neoplasm. Complete local resection of the tumor is the treatment of choice. Duodenum preserving pancreatic head resection should be considered as an alternative to pancreatoduodenectomy for SPN. Despite the low malignant potential, recurrences occur and complete resection of tumor recurrence is the ideal management. Large tumor size and lymphovascular invasion are notable risk factors for SPN recurrence.
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Affiliation(s)
- Anthony Perez
- University of the Philippines Manila College of Medicine, Department of Surgery, Philippines; Manila Doctors Hospital, Philippines.
| | - Crisostomo Arcilla
- University of the Philippines Manila College of Medicine, Department of Surgery, Philippines; Manila Doctors Hospital, Philippines
| | | | - Apolinario Ericson Berberabe
- University of the Philippines Manila College of Medicine, Department of Surgery, Philippines; Manila Doctors Hospital, Philippines
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19
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Jáquez-Quintana JO, Maldonado-Garza HJ, Zubía-Nevárez CI. Gruber-Frantz tumor: a rare pancreatic neoplasm. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2021; 114:172-173. [PMID: 34689567 DOI: 10.17235/reed.2021.8345/2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We present the case of a 37-year-old woman with abdominal pain in the epigastrium radiating to the right flank for a month of evolution. On physical examination, epigastric mass is palpated, firm and painless. Computed tomography (CT) showed a cystic tumor in the body and tail of the pancreas with solid areas and defined borders (12x10 cm), which displaces structures. Endoscopic ultrasound (EUS)-guided fine needle biopsy was taken, with consistent cytology of SPT. Subsequently, a distal pancreatectomy with tumor resection and nodal dissection was performed. Cytology reported discohesive cells, some arranged around capillaries, with small nuclei with clefts, CK7 negative and β-catenin positive. After 4 years of follow-up, there is no evidence of recurrence.
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20
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Flores RL, Rossi R, Castiblanco A, Gallardo A, Schiappacasse G. Solid bifocal pseudopapillary neoplasm of the pancreas: A case report. Int J Surg Case Rep 2021; 84:106131. [PMID: 34182434 PMCID: PMC8253944 DOI: 10.1016/j.ijscr.2021.106131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION This neoplasm of the pancreas is an uncommon entity, with a frequency of 0.3-2.7% of all pancreatic tumors and even more so the finding of a synchronous lesion of the same histological lineage. For this reason, we report the atypical presentation of a SPNPs through a clinical case, review of the literature and a classification proposal, from the quantitative point of view. CASE PRESENTATION 21-year-old patient, with incidental finding of two pancreatic tumors. Surgery included a pyloric preserving pancreatoduodenectomy with pancreatojejunostomy, distal pancreatectomy and central pancreas was preserved. The patient presents low output pancreatic fistula and nosocomial infection, treated with antibiotic therapy, being discharged 29 days after the intervention. Pathological and immunohistochemical analysis consistent with two SPNP. DISCUSSION Its diagnosis is confirmed with the histological study and two synchronic SPNP are a rare entity and for this, or multiple lesions, an attempt should be made of a conservative resection of the parenchyma to minimize pancreatic insufficiency in a frequently young population, and always look for R0 resection, due to its uncertain behavior. CONCLUSION Bifocal SPNP is rare and for this it is utility classify this entity -from the quantitative point of view- into unifocal, bifocal and multifocal for future medical research.
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Affiliation(s)
- Rubén Lima Flores
- Department of Digestive and Soft Tissue Oncologic Surgery, Instituto Nacional del Cáncer, Santiago, Chile.
| | - Ricardo Rossi
- Department of Hepato-bilio-pancreatic Surgery, Faculty of Medicine, Clínica Alemana de Santiago, Santiago, Chile
| | - Adriana Castiblanco
- Pathology Department, Faculty of Medicine, Clínica Alemana de Santiago, Santiago, Chile
| | - Alejandra Gallardo
- Pathology Department, Faculty of Medicine, Clínica Alemana de Santiago, Santiago, Chile
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21
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Kersting S, Götz M, Uzunoglu FG, Uhl W, Izbicki JR, Blessin NC, Janot-Matuschek MS. [Solid pseudopapillary neoplasms of the pancreas : Diagnostics, surgical treatment and postoperative outcome]. Chirurg 2021; 93:72-81. [PMID: 33938959 DOI: 10.1007/s00104-021-01420-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Malignant solid pseudopapillary neoplasms (SPN) are rare tumor entities of the pancreas. The prognosis for SPN is generally excellent, although some tumors have malignant potential and tend to metastasize or relapse. OBJECTIVE The aim was to investigate whether there are histopathological or surgical risk factors that enable the biological potential of SPN to be estimated. PATIENTS AND METHODS Data from patients with SPN treated in two large German pancreas centers from 2009 to 2018 were evaluated with respect to the occurrence of SPN, surgical management, histopathological tumor characteristics and the postoperative outcome. RESULTS A total of 22 patients with SPN (17 women, 5 men) were operated on. The median age of the patients was 37 years (range 19-69 years). At the time of surgery 20 patients showed tumor growth limited to the pancreas. A female patient with recurrence of an externally resected SPN had lymph node involvement. Another female patient had a hepatic metastatic recurrence (Union Internationale contre Cancer (UICC) stage IV) of an externally resected SPN. Although all patients survived recurrence-free during the follow-up, this patient developed liver metastases again. The survival rate up to the end of the follow-up (median 43 months; range 1-132 months) of this study was 100%. CONCLUSION There is a lack of knowledge of the possible parameters that can be used to predict the biological behavior of SPN. Apart from an increased likelihood of recurrence after resection of an SPN recurrence, no clear risk factors could be identified in the examined patient collective that could indicate an increased malignant potential and a possibly poorer outcome. Only a radical surgical resection with lymphadenectomy enables a reliable assessment of the tumor stage and the removal of possibly affected lymph nodes, which could be the cause of a recurrence if left intact.
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Affiliation(s)
- Sabine Kersting
- Abteilung für Chirurgie, Christliches Klinikum Unna, Obere Husemannstr. 2, 59423, Unna, Deutschland
| | - Mara Götz
- Klinik für Allgemein- und Viszeral- und Thoraxchirurgie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
| | - Faik Güntac Uzunoglu
- Klinik für Allgemein- und Viszeral- und Thoraxchirurgie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
| | - Waldemar Uhl
- Klinik für Allgemein- und Viszeralchirurgie, St. Josef-Hospital Bochum, Klinikum der Ruhr-Universität Bochum, Gudrunstr. 56, 44791, Bochum, Deutschland
| | - Jakob Robert Izbicki
- Klinik für Allgemein- und Viszeral- und Thoraxchirurgie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
| | - Niclas Christian Blessin
- Institut für Pathologie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Deutschland
| | - Monika Silvia Janot-Matuschek
- Klinik für Allgemein- und Viszeralchirurgie, St. Josef-Hospital Bochum, Klinikum der Ruhr-Universität Bochum, Gudrunstr. 56, 44791, Bochum, Deutschland.
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22
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Makhoul E, Alabbas Z, Adra A, Youssef A, Ayoub E, Issa R. Diagnostic challenge of a cystic solid pseudopapillary tumor in pancreas: A case report. Clin Case Rep 2021; 9:2409-2413. [PMID: 33936705 PMCID: PMC8077253 DOI: 10.1002/ccr3.4050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/11/2021] [Accepted: 03/01/2021] [Indexed: 11/08/2022] Open
Abstract
A solid pseudopapillary tumor should be included in the differential diagnosis of every pancreatic cystic lesion. A constellation of microscopic morphology and immunohistochemistry, in addition to the clinical history, aids in reaching the correct diagnosis.
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Affiliation(s)
- Ebrahim Makhoul
- Faculty of MedicineTishreen UniversityLattakiaSyrian Arab Republic
| | - Zeina Alabbas
- Faculty of MedicineTishreen UniversityLattakiaSyrian Arab Republic
| | - Ali Adra
- Al‐Mouwasat HospitalDamascusSyrian Arab Republic
| | | | - Emad Ayoub
- Faculty of MedicineTishreen UniversityLattakiaSyrian Arab Republic
| | - Rana Issa
- Faculty of MedicineTishreen UniversityLattakiaSyrian Arab Republic
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23
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Yin H, Lv J, Chen L, Xiu Y, Shi H. Collision of Solid Pseudopapillary Tumor and Neuroendocrine Tumor of the Pancreas on 18F-FDG PET/CT. Clin Nucl Med 2021; 46:e214-e215. [PMID: 33208615 DOI: 10.1097/rlu.0000000000003391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
ABSTRACT We report a rare case of pancreatic collision tumor of solid pseudopapillary tumor and neuroendocrine tumor in a 43-year-old woman. A pancreatic mass was found by abdominal ultrasound. A mainly cystic mass with solid component progressive enhancement was revealed using abdominal enhanced CT. Staging 18F-FDG PET/CT demonstrated a pancreatic tail mass with an increased uneven 18F-FDG uptake. Distal pancreatectomy was performed. Postoperatively, the mass was diagnosed as pancreatic collision tumor of solid pseudopapillary tumor and neuroendocrine tumor.
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Affiliation(s)
| | - Jing Lv
- From the Departments of Nuclear Medicine
| | - Lingli Chen
- Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yan Xiu
- From the Departments of Nuclear Medicine
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Din NU, Rahim S, Abdul-Ghafar J, Ahmed A, Ahmad Z. Clinicopathological and immunohistochemical study of 29 cases of solid-pseudopapillary neoplasms of the pancreas in patients under 20 years of age along with detailed review of literature. Diagn Pathol 2020; 15:139. [PMID: 33298094 PMCID: PMC7724627 DOI: 10.1186/s13000-020-01058-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 11/29/2020] [Indexed: 01/12/2023] Open
Abstract
Background Pancreatic Solid Pseudopapillary Neoplasms (SPNs) are rare low-grade malignant tumors with a marked preponderance for young females. Objective was to describe the morphology, differential diagnosis, and prognosis of SPNs in patients under 20 years of age and present a detailed review of literature. Methods A total of 29 cases in patients under 20 years of age reported as SPN during the period January 2014 to December 2019, were included in the study. These included 19 resection specimens, 4 incision biopsies and 6 cases received as blocks for second opinion. Hematoxylin and eosin (H&E) slides as well as immunohistochemistry (IHC) slides of all cases were retrieved and reviewed by the authors. TFE3 and Progesterone Receptor were performed retrospectively. Results Twenty-eight of the 29 patients were females. Ages of patients ranged from 12 to 19 years. Nineteen cases were resections. Tail was the commonest location. Mean tumor size was 9.5 cm. In 89.5% cases, tumor was confined to the pancreas. In 2 cases, distant metastasis was present. In 2 cases, extension beyond pancreas was seen. Solid and pseudopapillary areas were seen in all cases while other features were variable. Beta catenin and Cyclin D1 were positive in most cases while TFE3 was positive in 57% cases. Progesterone Receptor (PR) was positive in all 13 cases in which it was performed. Follow up was available in 14 patients. Follow up period ranged from 3 to 70 months. Twelve were alive and well without recurrence or metastasis while 2 were alive with recurrence and metastasis to liver and omentum respectively. Conclusions Although many studies on SPNs have been published, surgeons, oncologists and even pathologists in this part of the world are often not aware of these rare tumors leading to inaccuracies and delays in diagnosis. In addition, this paper focusses on the interesting observation that the majority of SPNs diagnosed in our department during study period occurred in patients under 20 years of age (29 versus 21 in patients over 20). However, clinico-epidemiological, morphologic and prognostic features were similar in both age groups. Possibility of SPNs should always be considered in case of pancreatic neoplasms occurring in patients under 20 years of age as well. We believe that this is a very interesting and helpful study for the clinicians as well as the pathologists.
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Affiliation(s)
- Nasir Ud Din
- Department of Pathology and Laboratory Medicine, Aga Khan University Hospital, Karachi, Pakistan
| | - Shabina Rahim
- Department of Pathology and Laboratory Medicine, Aga Khan University Hospital, Karachi, Pakistan
| | - Jamshid Abdul-Ghafar
- Department of Pathology and Clinical Laboratory, French Medical Institute for Mothers and Children (FMIC), Kabul, Afghanistan.
| | - Arsalan Ahmed
- Department of Pathology and Laboratory Medicine, Aga Khan University Hospital, Karachi, Pakistan
| | - Zubair Ahmad
- Department of Pathology and Laboratory Medicine, Aga Khan University Hospital, Karachi, Pakistan
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Santos D, Calhau A, Bacelar F, Vieira J. Solid pseudopapillary neoplasm of pancreas with distant metastasis during pregnancy: a diagnostic and treatment challenge. BMJ Case Rep 2020; 13:13/12/e237309. [PMID: 33298487 DOI: 10.1136/bcr-2020-237309] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Solid pseudopapillary neoplasms (SPNs) are rare pancreatic cystic neoplasms occurring predominantly in young women and diagnosis is often a challenge. This report describes the case of a 23-year-old primigravida who presented with abnormally elevated liver blood tests at 24 weeks of gestation. Imaging studies were suggestive of SPN with metastatic liver disease. A multidisciplinary team approach decided on a preterm caesarean delivery of a healthy female child at 36 weeks of gestation. Subsequently, a CT-guided biopsy was performed, with confirmation of SPN in the anatomopathological study. Subpartial pancreatectomy, partial gastrectomy, cholecystectomy, total splenectomy and partial hepatectomy were successfully performed. A 3-month control CT scan and positron emission tomography-CT studies revealed disease recurrence with pulmonary and liver metastatic disease. The patient was started on a palliative chemotherapy protocol with good tolerance. To our knowledge this is the first case of a SPN described in pregnancy with distant metastasis and disseminated recurrence after surgical treatment.
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Affiliation(s)
- Diogo Santos
- Obstetrics and Gynaecology Department, Hospital Doutor Nélio Mendonça, Funchal, Portugal
| | - Ana Calhau
- Obstetrics and Gynaecology Department, Hospital Doutor Nélio Mendonça, Funchal, Portugal
| | - Filipe Bacelar
- Obstetrics and Gynaecology Department, Hospital Doutor Nélio Mendonça, Funchal, Portugal
| | - Joaquim Vieira
- Obstetrics and Gynaecology Department, Hospital Doutor Nélio Mendonça, Funchal, Portugal
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Clinicopathological findings of solid pseudopapillary neoplasm in a 10-year-old girl presenting with pruritus, a case report and concise review. HUMAN PATHOLOGY: CASE REPORTS 2020. [DOI: 10.1016/j.ehpc.2020.200449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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27
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Ardengh JC, Lopes CV, Venco FE, Machado MA. Diagnosis of pancreatic solid pseudopapillary neoplasms using cell‐blocks and immunohistochemical evaluation of endoscopic ultrasound‐guided fine needle aspiration biopsy specimens. Cytopathology 2020; 32:50-56. [DOI: 10.1111/cyt.12905] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/09/2020] [Accepted: 08/17/2020] [Indexed: 12/11/2022]
Affiliation(s)
- José Celso Ardengh
- Division of Surgery and Anatomy Ribeirão Preto Medical School University of São Paulo Ribeirão Preto Brazil
- Endoscopy Unit Hospital 9 de Julho São Paulo Brazil
| | - César Vivian Lopes
- Department of Gastroenterology and Digestive Endoscopy Santa Casa Hospital Porto Alegre Brazil
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Rodriguez-Matta E, Hemmerich A, Starr J, Mody K, Severson EA, Colon-Otero G. Molecular genetic changes in solid pseudopapillary neoplasms (SPN) of the pancreas. Acta Oncol 2020; 59:1024-1027. [PMID: 32672484 PMCID: PMC8081262 DOI: 10.1080/0284186x.2020.1792549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Elisa Rodriguez-Matta
- MS-2, Mayo Clinic CCATS Research Scholar, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
| | | | - Jason Starr
- Division of Hematology Oncology, Mayo Clinic, Jacksonville, FL, USA
| | - Kabir Mody
- Division of Hematology Oncology, Mayo Clinic, Jacksonville, FL, USA
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29
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Gao BJ, Luo J, Liu Y, Zhong FR, Guo QX, Peng FY, Yang XL, Su S, Li B. Solid pseudopapillary neoplasm (SPN) of the pancreas presenting with ascites misdiagnosed as pancreatic tuberculosis: a case report and literature review. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2020; 13:248-253. [PMID: 32211105 PMCID: PMC7061789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 01/23/2020] [Indexed: 06/10/2023]
Abstract
INTRODUCTION Solid pseudopapillary neoplasm (SPN) is a rare pancreatic tumor that mainly affects young women. It is a low-grade malignant neoplasm, with an excellent prognosis after surgical treatment. We report herein a case of SPN presenting with ascites that was misdiagnosed as pancreatic tuberculosis (TB). CASE REPORT A 16-year-old female initially presented with a large volume of ascites. Contrast-enhanced ultrasound and computed tomography found a heterogeneous lesion in the pancreatic body, which had slight contrast enhancement on the arterial phase. Analysis of ascites showed it was exudative. Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) of the mass only revealed a few blood clots. The diagnosis was highly suggestive of a pancreatic TB. However, after 6 months of anti-TB therapy, the pancreatic lesion remained essentially unchanged. Subsequently, magnetic resonance imaging indicated a mixed solid and cystic lesion with a well-defined margin in the pancreatic body. Further EUS-FNA showed monomorphic neoplastic cells with papillary architecture and immunohistochemical analysis revealed that the tumor cells were positive for β-catenin, CD10, vimentin, cytokeratin, and synaptophysin. These findings were consistent with SPN. After distal pancreatectomy with splenectomy, postoperative pathology and immunohistochemical staining confirmed the diagnosis of SPN. CONCLUSION Clinicians should consider the possibility of SPN for pancreatic heterogeneous masses. Multiple diagnostic imaging modalities and EUS-FNA may contribute to the preoperative diagnosis of this disease.
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Affiliation(s)
- Ben-Jian Gao
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Jia Luo
- Department of Oncology, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Ying Liu
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Fu-Rui Zhong
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Qing-Xi Guo
- Department of Pathology, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Fang-Yi Peng
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Xiao-Li Yang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Song Su
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
| | - Bo Li
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan Province, P. R. China
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Iglesias-Garcia J, de la Iglesia-Garcia D, Olmos-Martinez JM, Lariño-Noia J, Dominguez-Muñoz JE. Differential diagnosis of solid pancreatic masses. MINERVA GASTROENTERO 2020; 66:70-81. [PMID: 31994370 DOI: 10.23736/s1121-421x.20.02646-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Solid pancreatic lesions include mainly adenocarcinoma, neuroendocrine tumors pancreatic cystic neoplasms with solid component, solid pseudopapillary tumor, pancreatoblastoma, pancreatic lymphoma, and pancreatic metastasis. The most frequent pancreatic lesion is the adenocarcinoma, representing between 70% and 95% of all solid pancreatic neoplasm. The diagnosis of these lesions can be a challenge and currently, there are different imaging techniques such as CT scan, EUS and MRI with high sensitivity and specificity. The most widely used technique for the initial evaluation is the CT scan with a sensitivity between 76% and 92% for the diagnosis of pancreatic cancer. The EUS has a sensitivity for the detection of pancreatic lesions of around 98% and is accepted to be the most sensitive technique for the detection of small pancreatic tumors (<2 cm). The MRI, with a very high soft-tissue contrast resolution, provides an accuracy in the detection and staging of adenocarcinoma of 90-100%. A multimodality approach is usually necessary in patients with clinical suspicion of pancreatic lesion. The EUS is required for the local evaluation of the relation of the lesion with vessels and for tissue acquisition and the CT scan and/or MRI is usually required for the local and distance staging in case of pancreatic cancer. The purpose of this review is to provide an overview of solid pancreatic lesions and the role of the different imaging techniques in their evaluation.
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Affiliation(s)
- Julio Iglesias-Garcia
- Department of Gastroenterology and Hepatology, Health Research Institute (IDIS), University Hospital of Santiago de Compostela, Santiago de Compostela, Spain -
| | - Daniel de la Iglesia-Garcia
- Department of Gastroenterology and Hepatology, Health Research Institute (IDIS), University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - José M Olmos-Martinez
- Department of Gastroenterology and Hepatology, Health Research Institute (IDIS), University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - José Lariño-Noia
- Department of Gastroenterology and Hepatology, Health Research Institute (IDIS), University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - J Enrique Dominguez-Muñoz
- Department of Gastroenterology and Hepatology, Health Research Institute (IDIS), University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
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Lin X, Lin R, Lu F, Chen Y, Huang H. Surgical Management of Solid Pseudopapillary Neoplasms of Pancreas: A Single-Center Experience of 60 Patients. Dig Surg 2020; 37:348-354. [PMID: 31958791 DOI: 10.1159/000505062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 11/22/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Solid pseudopapillary neoplasms (SPNs) of the pancreas are rare neoplasms, and the selection of surgical approaches is still under debate. The aim of this study was to analyze the clinicopathological characteristics and surgical outcomes of SPN patients and to compare the short-term and long-term outcomes between conventional operations and parenchyma-preserving operations. METHODS Patients who underwent pancreatic resection for SPNs between February 2010 and May 2019 in Fujian Medical University Union Hospital were identified. Clinicopathological details, perioperative data, and long-term follow-up results were retrospectively analyzed. RESULTS Sixty patients underwent surgical resection for SPNs during the study period: 48 females and 12 males. The mean age was 32.2 years. All patients underwent margin-negative surgical resection. The median follow-up period was 47 months (range: 3~118 months). One patient developed liver metastases 14 months after the operation and received local ablation therapy. All patients were alive during the follow-up. The incidence of postoperative pancreatic fistula was higher in the parenchyma-preserving surgery group than in the conventional surgery group (40.0 vs. 11.1%, p = 0.034). There was no significant difference in the tumor recurrence rate between the 2 groups. Eight (17.7%) and 6 patients (13.3%) in the conventional surgery group demonstrated endocrine and exocrine pancreatic insufficiency, respectively; furthermore, no patients in the parenchyma-preserving surgery group had endocrine or exocrine pancreatic insufficiency, but the incidences were not significantly different between the 2 groups. CONCLUSIONS Margin-negative surgical resection of SPNs yields a very low rate of tumor recurrence and excellent long-term survival.
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Affiliation(s)
- Xianchao Lin
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ronggui Lin
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Fengchun Lu
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yanchang Chen
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Heguang Huang
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou, China,
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