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nodular fasciitis of the external auditory canal: Clinical case report and review of the literature

Journal of Otology 2023年第4期18卷 240-245页

作者： Adrien Philippart Jean-Christophe Degols Jacques Vilain Department of Oto-Rhino-Laryngology-Head and Neck Surgery Saint-Luc University HospitalCatholic University of LouvainAvenue Hippocrate 101200BrusselsBelgium Chief of Department of Oto-Rhino-Laryngology-Head and Neck Surgery Saint-Pierre Clinic OttigniesAvenue Reine Fabiola 91340Ottignies-Louvain-la-NeuveBelgium Department of Oto-Rhino-Laryngology-Head and Neck Surgery Saint-Pierre Clinic Ottignies Avenue Reine Fabiola 91340Ottignies-Louvain-la-NeuveBelgium

nodular fasciitis is a benign reactive soft tissue tumor arising from fibroblasts and *** incidence is low and misdiagnosis is frequent especially for malignant *** can lead to inappropriate and unnecessary invasive *** fasciitis of the external auditory canal is extremely *** far,around fifteen cases have been *** present here the case of a 90-year-old patient with nodular fasciitis of the right external auditory *** lesion extends anteriorly for 6.5 cm and reaches the posterior wall of the maxillary *** our knowledge,this is the first case in the literature of an external auditory canal nodular fasciitis presenting as an inflammatory ear polyp with such a wide extension.

关键词： nodular fasciitis External ear canal Polyp

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Occipital nodular fasciitis easily misdiagnosed as neoplastic lesions:A rare case report

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World Journal of Clinical Cases 2020年第23期8卷 6144-6149页

作者： Teng Wang Guang-Cai Tang Han Yang Jian-Kun Fan Department of Radiology The Affiliated Hospital of Southwest Medical UniversityLuzhou 646000Sichuan ProvinceChina

BACKGROUND nodular fasciitis(NF)is a benign disease originating from fascial tissue and most commonly occurs in the extremities,followed by the trunk,head,and *** of the head and neck occurs mainly in the face and neck,and it has not been reported in the occipital *** SUMMARY A 30-year-old man was admitted because of a mass in the left occipital *** examination revealed a soft tissue nodule in the left occipital *** enhanced magnetic resonance imaging scan showed characteristic inverted target and fascial tail *** analysis showed a large amount of spindle cell proliferation,and immunohistochemistry showed positive expression of SMA in the spindle cells in the ***,nodular fasciitis was *** NF of the head and neck is rare,but the possibility of NF should be considered when nodules or masses with rapid subcutaneous growth are found and tenderness in the head and neck is *** examination,in combination with clinical manifestations and histopathological examination,can improve the diagnostic accuracy for the *** diagnosis,local surgical resection is the first choice of treatment.

关键词： nodular fasciitis Fibromatous hyperplasia Radiology Computed tomography Magnetic resonance imaging Case report

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Giant nodular fasciitis originating from the humeral periosteum:A case report

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World Journal of Clinical Cases 2022年第5期10卷 1572-1579页

作者： Shi-Li Yu Ping-Li Sun Jian Li Meng Jia Hong-Wen Gao Department of Pathology The Second Hospital of Jilin UniversityChangchun 130041Jilin ProvinceChina

BACKGROUND nodular fasciitis(NF)is a self-limiting tumor that mostly occurs in the subcutaneous superficial *** originating from the appendicular periosteum is extremely rare.A large NF lesion of periosteal origin can be misdiagnosed as a malignant bone tumor and may cause *** SUMMARY A right axillary mass was found in a 46-year-old man and was initially diagnosed intraoperatively as low-grade sarcoma,but later diagnosed as NF after postresection histopathological ***,fluorescence in situ hybridization analysis revealed a USP6 gene rearrangement that confirmed the *** the best of our knowledge,this is the first case of NF in the humeral *** NF poses a diagnostic challenge as it is often mistaken for *** histopathological examination of whole sections can be combined with immunohistochemical staining and,if necessary,the diagnosis can be confirmed by molecular detection,and thus help avoid overtreatment.

关键词： nodular fasciitis Periosteum Differential diagnosis USP6 Fluorescence in situ hybridization Case report

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Intraarticular nodular fasciitis in the Knee Joint with <i>USP6</i>-Gene Rearrangement<br/>—A Case Report with Special Attention to Diagnostics of Intraarticular Lesions

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Open Journal of Orthopedics 2020年第6期10卷 124-136页

作者： G. Ulrich Exner Beata Bode-Lesniewska Pascal A. Schai Orthopaedie Zentrum Zuerich Zuerich Switzerland Pathologie Institut Enge Zuerich Switzerland Luzerner Kantonsspital Wolhusen Wolhusen Switzerland

Background: nodular fasciitis (NF) is currently considered a self-limited clonal neoplastic process. It shares the rearrangement of USP6-gene with aneurysmal bone cysts and myositis ossificans. The presented case is of interest as this is a rare site of presentation of NF;so far only few single cases of intraarticular NF have been reported with documented USP6-gene rearrangement. Intraarticular neoplasias of the knee joint are rare;the most frequent being tenosynovial giant cell tumor (TSGCT). Given a nationwide annual incidence rate of 14 for the lower extremity and about 75% affecting the knee joint about 10 new cases involving the knee joint can be expected per 1 million persons/year. All other types of benign neoplasms are comparably rare while malignant intraarticular processes are extremely rare with most of them reported as single case studies. Aim: We report our case to emphasize the importance of preoperative diagnostics including the option of biopsy. Intraarticular malignant processes are extremely rare and frequently are operated on accidently with negative consequences for the patient. Tactics and techniques to treat benign processes depend on the correct pathologic diagnosis. Case presentation: The 38 year old man noticed slowly increasing swelling of his left knee joint after wakeboarding. Because of continuing discomfort 2 months later MRI diagnostic revealed, apart from retropatellar cartilage lesions, a popliteal mass compatible with a Baker cyst. The lesion of interest (later diagnosed as NF) was neither recognized by the radiologist nor the treating clinician. During the following 8 months the patient felt increasing swelling of the knee joint. The repeat MRI documented the crescent intraarticular solid synovial mass in the medial patellofemoral recess without signs of hemosiderin impregnation. A percutaneous sonographically guided 16G needle biopsy was performed. Histologically, bland myofibrobl

关键词： nodular fasciitis Knee Arthroscopy Intra-Articular Lesions

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