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inflammatory myofibroblastic tumor successfully treated with metformin: A case report and review of literature

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World Journal of Clinical Cases 2021年第2期9卷 429-435页

作者： Yu Liang Hong-Xiang Gao Rui-Cheng Tian Jing Wang Yu-Hua Shan Lei Zhang Chen-Jie Xie Jing-Jing Li Min Xu Song Gu Department of Surgery Shanghai Children’s Medical CenterShanghai Jiaotong University School of MedicineShanghai 200127China

BACKGROUND inflammatory myofibroblastic tumor(IMT)is a distinct tumor with a low incidence rate,which can be diagnosed at any age with a predilection for children and *** IMT is visible in any tissues and organs,it is more commonly found in the *** clinical and radiological manifestations of IMT lack specificity,hence resulting in frequent *** resection is currently the main therapeutic approach for *** scarce cases of IMT treated with metformin have been *** we report the case of an IMT patient with partial penile resection treated with *** SUMMARY A 1-year-old boy was born with a shorter penis,and his foreskin could not be completely turned *** he was 6 month old,a well-circumscribed mass on the glans was found,while it did not attract the attention of his *** mass gradually increased in size over time before he was admitted to the hospital,where physical examination was *** was revealed that the glans hidden behind the foreskin had a mass with a diameter of about 4 cm surrounding the *** mass appeared to be hard with a smooth surface and poor *** two testicles examined at the bottom of the scrotum were revealed to have a normal *** resonance imaging showed a tumor with rich blood supply encircling the cavernosum with a size of 3.5 cm×2.1 cm×2.0 cm.A thick urinary line was found without urine dripping,urgency,and *** treatment was *** the operation,it was observed that the mass had surrounded and invaded the cavernosum without obvious boundaries,and that the tumor occupied about one-half of the penis cross-section as well as infiltrated more than one-half of the *** addition,the tumor had caused urethral invasion and anterior *** the intention of keeping the glans and cavernosum,the tumor at the anterior urethra was partially removed,leaving about 30%of the tumor *** analysis demonstrated tha

关键词： inflammatory myofibroblastic tumor Metformin Therapeutic Case report Adenosine phosphate protein kinase mTOR

inflammatory myofibroblastic tumor of the pancreatic neck misdiagnosed as neuroendocrine tumor:A case report

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World Journal of Gastroenterology 2023年第20期29卷 3216-3221页

作者： Jia-Bei Liu Qian-Biao Gu Peng Liu Department of Radiology The First Affiliated Hospital of Hunan Normal UniversityHunan Provincial People’s HospitalChangsha 410005Hunan ProvinceChina Department of Radiology The First Affiliated Hospital of Hunan Normal University(Hunan Provincial People’s Hospital)Changsha 410005Hunan ProvinceChina

BACKGROUND inflammatory myofibroblastic tumor(IMT)is a relatively rare *** global incidence of IMT is less than 1%.There is no specific clinical *** usually occurs in the lungs,but the pancreas is not the predilection *** SUMMARY We present a case of a male patient,51 years old,who was diagnosed with a pancreatic neck small mass on ultrasound one year ago during a physical *** he had no clinical symptoms and the mass was relatively small,he did not undergo ***,the mass was found to be larger on review,and he was referred to our *** the primal clinical diagnosis was pancreatic neuroendocrine tumor,the patient underwent surgical ***,the case was confirmed as pancreatic IMT by postoperative *** Pancreatic IMT is relatively rare and easily *** can better understand and correctly diagnose this disease by this case report.

关键词： inflammatory myofibroblastic tumor Diagnosis Imaging Pancreas Case report

inflammatory myofibroblastic tumor of the pancreatic neck:A case report and review of literature

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World Journal of Clinical Cases 2021年第22期9卷 6418-6427页

作者： Zhi-Tao Chen Yao-Xiang Lin Meng-Xia Li Ting Zhang Da-Long Wan Sheng-Zhang Lin Department of Hepatobiliary and Pancreatic Surgery Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310000Zhejiang ProvinceChina School of Medicine Zhejiang UniversityHangzhou 310000Zhejiang ProvinceChina School of Medicine Hangzhou Normal UniversityHangzhou 310003Zhejiang ProvinceChina Department of Hepatobiliary and Pancreatic Surgery First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvinceChina Department of Pathology Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310000Zhejiang ProvinceChina Department of Hepatobiliary and Pancreatic Surgery The First Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvinceChina Department of Hepatobiliary Surgery Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310000Zhejiang ProvinceChina

BACKGROUND Pancreatic inflammatory myofibroblastic tumor(IMT)is a relatively rare disease that is often confused with pancreatic cancer or pancreatic neuroendocrine *** histological features of IMTs show that tissue from this type of tumor contains an intermingling of fibroblast and myofibroblast proliferation,accompanied by a varying degree of inflammatory cell *** SUMMARY The management of an IMT occurring at the neck of the pancreas is presented in this paper.A 66-year-old female patient was diagnosed with a pancreatic neck mass after a series of *** patient underwent enucleation of the pancreatic neck tumor after a pathological diagnosis of *** research on the clinical features,pathological diagnosis and treatment of pancreatic IMTs was *** with previous reports,this is a unique case of enucleation of a pancreatic *** The enucleation of pancreatic IMTs may be a safe and efficient surgical method for managing such tumors with a better *** cases are required to explore surgical measures for pancreatic IMTs.

关键词： inflammatory myofibroblastic tumor Pancreatic neck Enucleation Case report

inflammatory myofibroblastic tumor after breast prosthesis:A case report and literature review

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World Journal of Clinical Cases 2022年第4期10卷 1432-1440页

作者： Peng Zhou Yi-Hao Chen Jiang-Hao Lu Chun-Chun Jin Xiao-Hong Xu Xue-Hao Gong Department of Ultrasound Shenzhen Second People’s HospitalThe First Affiliated Hospital of Shenzhen UniversityShenzhen 518035Guangdong ProvinceChina Graduate School Guangdong Medical UniversityZhanjiang 524023Guangdong ProvinceChina Department of Ultrasound Guangdong Medical University Affiliated HospitalZhanjiang 524001Guangdong ProvinceChina

BACKGROUND inflammatory myofibroblastic tumors(IMTs)are defined as tumors composed of differentiated myofibroblastic spindle cells,usually accompanied by numerous plasma cells and lymphocytes,and classified as intermediate(occasionally metastatic)by the World Health *** pathogenesis and biological behavior have not yet been *** IMT is extremely rare,and prosthesis implantation combined with IMT has not been *** study reports a case of IMT following resection of a malignant phyllodes tumor of the left breast and implantation of a *** SUMMARY A 41-year-old female presented to our hospital with a mass in the left breast for 3 *** patient had undergone resection of a large mass in her left breast pathologically diagnosed as a malignant phyllodes tumor and implantation of a prosthesis five years *** examination revealed an oval mass in the left breast,and the patient underwent left breast mass resection and prosthesis *** microscopy revealed the spindle cells to be diffusely proliferated,with a large number of neutrophils,lymphocytes,and plasma cell *** staining revealed that the spindle cells were partially positive for smooth muscle actin,which is positive for BCL-2 and cluster of differentiation(CD)99 but were negative for anaplastic lymphoma kinase,cytokeratin,S-100 protein,desmin,and *** final diagnosis was *** recurrence or metastasis was observed during the 5-year postoperative *** Prosthesis implantation may be one of the causes of IMT,but further investigation is necessary to prove it.

关键词： inflammatory myofibroblastic tumor Breast Prosthesis Ultrasonography Surgery Case report

inflammatory myofibroblastic tumor of the distal common bile duct:Literature review with focus on pathological examination

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World Journal of Clinical Cases 2023年第20期11卷 4734-4739页

作者： Fleur Cordier Anne Hoorens Liesbeth Ferdinande Jo Van Dorpe David Creytens Department of Pathology Ghent University HospitalGhent 9000Belgium

inflammatory myofibroblastic tumor(IMT)of the biliary tract is rare,and often difficult to diagnose or to distinguish from other tumors due to its atypical clinical presentation and nonspecific radiological ***,IMTs are(myo)fibroblastic neoplasms with a prominent inflammatory *** are characterized by receptor tyrosine kinase gene rearrangements,most often involving an anaplastic lymphoma kinase(ALK)*** final diagnosis of IMT depends on histopathology and immunohistochemical *** this manuscript,we provide a clinical and morphomolecular overview of IMT and the difficulties that may arise in using immunohistochemical and molecular techniques in diagnosing IMT.

关键词： inflammatory myofibroblastic tumor Fluorescence in situ hybridization Nextgeneration sequencing Mesenchymal tumors of the gastrointestinal tract

inflammatory myofibroblastic tumor Mimicking Malignant Meningioma in the Middle Cranial Fossa:a Case Report

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Chinese Medical Sciences Journal 2012年第3期27卷 185-187页

作者： Ming-chao Fan Lei Cheng Dong-liang Lin Peng Sun Department of Neurosurgical Intensive Care UnitQingdao University QingdaoShandong 266003China Department of Neurosurgery Qingdao UniversityQingdaoShandong 266003China Department of Pathology the Affiliated Hospital of Medical CollegeQingdao UniversityQingdaoShandong 266003China

inflammatory myofibroblastic tumor（IMT）,alsoknown as inflammatory pseudotumor or plasma cellgranulomas,is an uncommon fibro-inflammatorylesion which is composed of inflammatory cells andmyofibroblastic spindle cells.1Its pathogenesis is still *** tumor commonly occurs in the lung,upperrespiratory tract,live,orbit,abdominal membrane,retro-peritoneum,and genitourinary tract.2-4It rarely involvesthe central nerve system,5,

关键词： inflammatory myofibroblastic tumor middle cranial fossa histopathology craniotomy

inflammatory myofibroblastic tumor successfully treated with chemotherapy and nonsteroidals:A case report

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World Journal of Gastroenterology 2012年第47期18卷 7100-7103页

作者： Yun-Lu Tao Zhen-Jun Wang Jia-Gang Han Ping Wei Department of General Surgery Chao Yang HospitalAffiliated to Capital Medical University Department of Pathology Chao Yang HospitalAffiliated to Capital Medical University

inflammatory myofibroblastic tumor(IMT) occurring at retroperitoneal sites has rarely been *** report the case of a previously well 14-year-old girl with no history of abdominal disease whose past medical history and family tumor history were *** complained of intermittent abdominal pain for one *** abdominal mass was found on physical examination and abdominal contrast-enhanced computed tomography(CT) showed a hypodense soft mass,the size and location of which suggested a well delineated retroperitoneal tumor surrounding the superior mesenteric vessels measuring 3.3 cm × 4.5 cm × 4.5 cm with enlarged lymph *** patient underwent an exploratory laparotomy followed by biopsy and was subsequently diagnosed with retroperitoneal *** was successfully treated with postoperative chemotherapy and oral diclofenac *** completion of therapy the mass was no longer palpable and no longer visible on CT *** use of methotrexate and cisplatin for aggressive myofibroblastic tumors is also reviewed.

关键词： inflammatory myofibroblastic tumor Retroperitoneum Chemotherapy Nonsteroidals Therapy

inflammatory myofibroblastic tumor in lung with osteopulmonary arthropathy

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Chinese Medical Journal 2009年第24期122卷 3094-3096页

作者： ZHANG Yi DONG Zong-jun ZHI Xiu-yi LIU Lei HU Mu Department of Thoracic Surgery Xuanwu Hospital Capital Medical University Beijing 100053 China

inflammatory myofibroblastic tumor （IMT） is a rare disease that usually occurs in the lung. Recently,several reports have suggested that IMT is a true neoplasm rather than a reactive lesion. By definition, it is composed of spindle cells （myofibroblasts） with variable inflammatory component, hence the name is IMT. We report a patient of inflammatory myofibroblastic tumor in lung with osteopulmonary arthropathy.

关键词： inflammatory myofibroblastic tumor rare pulmonary neoplasm lung surgery

Laparoscopic treatment of inflammatory myofibroblastic tumor in liver: A case report

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World Journal of Clinical Cases 2022年第32期10卷 11853-11860页

作者： Yang-Yang Li Jin-Feng Zang Chi Zhang Department of Hepatobiliary Surgery Taizhou People’s HospitalThe Fifth Affiliated Hospital of Medical School of Nantong UniversityTaizhou 225300Jiangsu ProvinceChina

BACKGROUND inflammatory myofibroblastic tumor in the liver(IMTL) is a rare borderline mesenchymal *** clinical symptoms nor laboratory tests have absolute specificity for the diagnosis of IMTL,and imaging also lacks obvious *** there are sporadic reports of recurrence after surgical treatment,surgical resection is the mainstay of *** SUMMARY A 29-year-old man complained of general weakness,slight discomfort in the upper abdomen,with a history of upper respiratory tract infection for 1 wk before *** and enhanced upper abdominal magnetic resonance imaging showed a mass in liver segments Ⅱ and Ⅲ(48 mm × 53 mm).He was treated by laparoscopic left lateral *** pathological examination with hematoxylin and eosin staining suggested that the mass in liver segments Ⅱ and Ⅲ was *** 21 mo postoperative follow-up,no obvious residual or recurrent lesions were *** There is a risk of malignant degeneration in *** principal choice of treatment is laparoscopic left lateral segmentectomy.

关键词： inflammatory myofibroblastic tumor Hepatectomy Laparoscopy Liver Case report