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Mucoepidermoid carcinoma in the infratemporal fossa: A case report

World Journal of Clinical Cases 2020年第14期8卷 3090-3096页

作者： Han-Yu Zhang Hong-Yu Yang Department of Oral and Maxillofacial Surgery Peking University Shenzhen HospitalShenzhen 518036Guangdong ProvinceChina

BACKGROUND Mucoepidermoid carcinoma is the most common primary epithelial salivary gland malignancy.It mostly occurs in the major or intraoral minor salivary glands but rarely in the infratemporal fossa.Here,we present a case of aggressive mucoepidermoid carcinoma in the infratemporal fossa with neck lymph node metastasis and also discuss diagnostic and treatment strategies.CASE SUMMARY A 39-year-old woman with a mass located in the right submandibular area presented to our department.Physical examination revealed lymphadenopathy on the right submandibular side measuring 2.5 cm×3 cm that was hard and had poor mobility.Results of nasal endoscopy were unremarkable.Ultrasound examination revealed an enlarged lymph node at level II of the right side.Fine needle aspiration cytology of the metastatic lymph node revealed malignant cells with infection.Contrast-enhanced computed tomography revealed an enhancing ill-defined soft tissue mass in the right infratemporal region.Positron emission tomography/computed tomography revealed hyperintensity in the right infratemporal fossa along with lymphadenopathy at level II of the right-side lymph node.The patient underwent extended resection of the primary tumor,and ipsilateral radical neck dissection was also completed.Hematoxylin-eosin staining and immunohistochemistry revealed a high-grade mucoepidermoid carcinoma.No signs and symptoms of recurrence of the neoplasm were present after 20 mo of follow-up.CONCLUSION Positron emission tomography/computed tomography play a key role in primary tumor localization.Furthermore,histopathology and immunohistochemistry play pivotal roles in disease diagnosis.

关键词： infratemporal fossa Mucoepidermoid carcinoma Metastasis Positron emission tomography/computed tomography High-grade Case report

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Endoscopic trans-pterygoid resection of a low-grade cribriform cystadenocarcinoma of the infratemporal fossa

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2020年第2期6卷 115-117页

作者： Vikram G.Ramjee Landon J.Massoth John P.Richards II Kibwei A.McKinney Department of Otolaryngology e Head&Neck Surgery University of Oklahoma Health Sciences CenterOklahoma CityOKUSA Department of Otolaryngology-Head and Neck Surgery University of ArizonaTucsonAZUSA Department of Otolaryngology-Head and Neck Surgery University of WashingtonSeattleWAUSA

This article presents a case of low-grade cribriform cystadenocarcinomas(LGCCC),a rare salivary gland tumor manifesting in the infratemporal fossa(ITF).The lesion in this case is unique in its location,histopathology,and management in that the tumor resection was performed using an exclusively endoscopic,endonasal approach.This case highlights the expanding application of endoscopic skull base techniques to address an indolent,slow-growing malignancy of the ITF.

关键词： Salivary gland neoplasm Cribriform cystadenocarcinoma Low-grade infratemporal fossa Endoscopic Intraductal carcinoma

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Three-hundred and sixty degrees of surgical approaches to the maxillary sinus

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2022年第1期8卷 42-53页

作者： Natalia C.Rezende Carlos D.Pinheiro-Neto Luciano C.P.C.Leonel Jamie J.Van Gompel Maria Peris-Celda Garret Choby Division of Rhinology and Skull Base Surgery Department of Otolaryngology-Head&Neck SurgeryMayo ClinicRochesterMinnesotaUSA Department of Neurologic Surgery Mayo ClinicRochesterMinnesotaUSA

Objectives:To demonstrate three-hundred and sixty degrees of maxillary sinus(MS)surgical approaches using cadaveric dissections,highlighting the step-by-step anatomy of each procedure.Methods:Two latex-injected cadaveric specimens were utilized to perform surgical dissections to demonstrate different approaches to the MS.The procedures were documented with macroscopic images and endoscopic pictures.Results:Dissections were performed to approach the MS medially(endoscopic maxillary antrostomy and ethmoidectomy),anteriorly(Caldwell-Luc),superiorly(transconjunctival/transorbital approach),inferiorly(transpalatal approach),and posterolaterally(preauricular hemicoronal approach).Conclusion:A number of approaches have been described to address pathology in the MS.Surgeons should be familiar with indications,limitations,and surgical anatomy from different perspectives to approach the MS.This paper illustrates anatomic approaches to the MS with detailed step-by-step cadaveric dissections and case examples.

关键词： anatomy Caldwell-Luc dissection endoscopic sinus surgery infratemporal fossa maxillary sinus pterygopalatine fossa

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