Glomus tumors are extremely rare tumors that arise from paraganglionic cells, which are derived from neural crest cells. These tumors are benign, slow-growing, locally invasive, and destructive. Glomus tumors are the ...Glomus tumors are extremely rare tumors that arise from paraganglionic cells, which are derived from neural crest cells. These tumors are benign, slow-growing, locally invasive, and destructive. Glomus tumors are the most common tumor of the middle ear cavity and the second most common tumor of the temporal bone. We present a case of a 49-year-old healthy female who, following diagnostic tools, received surgical intervention resulting in an excellent outcome. Our case report includes a comprehensive analysis of published cases in the literature.展开更多
The objective of this study is to increase awareness of the rare presentation, diagnostic difficulties and management of glomus tympanicum of the middle ear. A 49 years old male, with a background of hypertension and ...The objective of this study is to increase awareness of the rare presentation, diagnostic difficulties and management of glomus tympanicum of the middle ear. A 49 years old male, with a background of hypertension and epilepsy, presented with a two month history of left sided conductive hearing loss, pulsatile tinnitus and headache. Clinically and radiologically a diagnosis of glomus tympanicum was made. Intraoperatively, extensive osteogenesis of the middle ear resulting in ossicular fixation and erosion was found. This patient required a two stage operation for full clearance of disease. A stapedectomy drill was used to drill off the bony overgrowth surrounding the ossicles resulting in improved hearing thresholds and full clearance of the disease at two year follow up. Glomus tympanicum can result in new bone formation in the middle ear with resultant ossicular fixation and conductive hearing loss. This can be effectively treated surgically with restoration of hearing.展开更多
Objective:To evaluate an endoscopic approach in the management of glomus tumor,and also to investigate and evaluate its appropriateness and feasibility.Methods:Glomus tumors,also known as paragangliomas,are benign pri...Objective:To evaluate an endoscopic approach in the management of glomus tumor,and also to investigate and evaluate its appropriateness and feasibility.Methods:Glomus tumors,also known as paragangliomas,are benign primary tumors of the middle ear.The advent of endoscopic ear surgery has provided new dimensions to the management of this highly vascular tumor.Retrospective analysis of six patients of glomus tympanicum,operated between July 2014 and June 2019,with modified Fisch classification Type A and B1,who were managed by a retroauricular transcanal endoscopic approach.Preoperative and postoperative analysis was done for these patients.Results:The chief complaint was pulsatile tinnitus,which disappeared in five cases and reduced in severity in one of them.Hearing was improved with reduction in air‐bone gap in all the cases.No major complications or recurrence were observed in any of the patients after 12 months of follow‐up.Conclusion:This endoscopic approach serves as a safe and reliable technique for tumor removal.It thus provides postoperative comfort for most of the patients.展开更多
Background: Tympanomastoid paragangliomas are usually benign, slowly growing, painless tumors. The common presenting symptoms of this tumor are pulsatile tinnitus and conductive hearing loss. Vertigo as the cardinal o...Background: Tympanomastoid paragangliomas are usually benign, slowly growing, painless tumors. The common presenting symptoms of this tumor are pulsatile tinnitus and conductive hearing loss. Vertigo as the cardinal or initial symptom is extremely rare, especially in the early stages of the disease.Case presentation: A 53-year-old female patient presented only with intermittent recurrent vertigo and was later found to have a tympanomastoid paraganglioma. Her symptoms disappeared completely after resection of the tumor. This is the first report in literature of a case of tympanomastoid paraganglioma with vertigo as the single symptom.Conclusion: The tympanomastoid paraganglioma is rare and its clinical symptoms are nonspecific, so it is easy to be misdiagnosed or missed. It is worth noting that although clinically uncommon, vertigo can also be the first or sole symptom of tympanomastoid paraganglioma. Detailed physical examination and imaging examination of the ear are necessary and should be carried out meticulously.展开更多
Introduction:Majority of petrous bone and lateral skull base pathologies are benign in nature.The complex anatomy usually warrants an extensive approach with associated morbidity.Case summary:Two cases of petrous bone...Introduction:Majority of petrous bone and lateral skull base pathologies are benign in nature.The complex anatomy usually warrants an extensive approach with associated morbidity.Case summary:Two cases of petrous bone cholesteatoma(1 congenital cholesteatoma with facial palsy and 1 acquired cholesteatoma)and a case of glomus tympanicum were treated with exclusive endoscopic transcanal approach.The cases of petrous cholesteatoma were addressed with trans-promontorial and infra-cochlear approaches.The mean operative time was approximately 140 min.No CSF otorrhoea was noticed in the post-operative period.The average period of hospital stay was 3.7 days.Conclusion:In the subset of cases with limited benign disease an endoscopic trans-canal approach is a better alternative to an external approach.It decreases operative time,blood loss,chance of meningitis,morbidity and hospital stay.The lack of depth perception is a major hurdle which can be come over by experience in endoscopic middle ear surgery.This approach can create direct access to cochlea/petrous apex/internal auditory canal(IAC)/Supra-geniculate ganglion region.展开更多
Paragangliomas are rare neuroendocrine tumors that arise in sympathetic and parasympathetic paraganglion system,derived from neural crest cells.Tympanic paraganglioma is a type of head and neck paraganglioma involving...Paragangliomas are rare neuroendocrine tumors that arise in sympathetic and parasympathetic paraganglion system,derived from neural crest cells.Tympanic paraganglioma is a type of head and neck paraganglioma involving the middle ear cleft.Endoscopic transcanal approach is currently in vogue for the excision of tympanic paragangliomas that is limited to middle ear cleft.We present a series of 3 cases who underwent endoscopic excision of tympanic paraganglioma.展开更多
文摘Glomus tumors are extremely rare tumors that arise from paraganglionic cells, which are derived from neural crest cells. These tumors are benign, slow-growing, locally invasive, and destructive. Glomus tumors are the most common tumor of the middle ear cavity and the second most common tumor of the temporal bone. We present a case of a 49-year-old healthy female who, following diagnostic tools, received surgical intervention resulting in an excellent outcome. Our case report includes a comprehensive analysis of published cases in the literature.
文摘The objective of this study is to increase awareness of the rare presentation, diagnostic difficulties and management of glomus tympanicum of the middle ear. A 49 years old male, with a background of hypertension and epilepsy, presented with a two month history of left sided conductive hearing loss, pulsatile tinnitus and headache. Clinically and radiologically a diagnosis of glomus tympanicum was made. Intraoperatively, extensive osteogenesis of the middle ear resulting in ossicular fixation and erosion was found. This patient required a two stage operation for full clearance of disease. A stapedectomy drill was used to drill off the bony overgrowth surrounding the ossicles resulting in improved hearing thresholds and full clearance of the disease at two year follow up. Glomus tympanicum can result in new bone formation in the middle ear with resultant ossicular fixation and conductive hearing loss. This can be effectively treated surgically with restoration of hearing.
文摘Objective:To evaluate an endoscopic approach in the management of glomus tumor,and also to investigate and evaluate its appropriateness and feasibility.Methods:Glomus tumors,also known as paragangliomas,are benign primary tumors of the middle ear.The advent of endoscopic ear surgery has provided new dimensions to the management of this highly vascular tumor.Retrospective analysis of six patients of glomus tympanicum,operated between July 2014 and June 2019,with modified Fisch classification Type A and B1,who were managed by a retroauricular transcanal endoscopic approach.Preoperative and postoperative analysis was done for these patients.Results:The chief complaint was pulsatile tinnitus,which disappeared in five cases and reduced in severity in one of them.Hearing was improved with reduction in air‐bone gap in all the cases.No major complications or recurrence were observed in any of the patients after 12 months of follow‐up.Conclusion:This endoscopic approach serves as a safe and reliable technique for tumor removal.It thus provides postoperative comfort for most of the patients.
文摘Background: Tympanomastoid paragangliomas are usually benign, slowly growing, painless tumors. The common presenting symptoms of this tumor are pulsatile tinnitus and conductive hearing loss. Vertigo as the cardinal or initial symptom is extremely rare, especially in the early stages of the disease.Case presentation: A 53-year-old female patient presented only with intermittent recurrent vertigo and was later found to have a tympanomastoid paraganglioma. Her symptoms disappeared completely after resection of the tumor. This is the first report in literature of a case of tympanomastoid paraganglioma with vertigo as the single symptom.Conclusion: The tympanomastoid paraganglioma is rare and its clinical symptoms are nonspecific, so it is easy to be misdiagnosed or missed. It is worth noting that although clinically uncommon, vertigo can also be the first or sole symptom of tympanomastoid paraganglioma. Detailed physical examination and imaging examination of the ear are necessary and should be carried out meticulously.
文摘Introduction:Majority of petrous bone and lateral skull base pathologies are benign in nature.The complex anatomy usually warrants an extensive approach with associated morbidity.Case summary:Two cases of petrous bone cholesteatoma(1 congenital cholesteatoma with facial palsy and 1 acquired cholesteatoma)and a case of glomus tympanicum were treated with exclusive endoscopic transcanal approach.The cases of petrous cholesteatoma were addressed with trans-promontorial and infra-cochlear approaches.The mean operative time was approximately 140 min.No CSF otorrhoea was noticed in the post-operative period.The average period of hospital stay was 3.7 days.Conclusion:In the subset of cases with limited benign disease an endoscopic trans-canal approach is a better alternative to an external approach.It decreases operative time,blood loss,chance of meningitis,morbidity and hospital stay.The lack of depth perception is a major hurdle which can be come over by experience in endoscopic middle ear surgery.This approach can create direct access to cochlea/petrous apex/internal auditory canal(IAC)/Supra-geniculate ganglion region.
文摘Paragangliomas are rare neuroendocrine tumors that arise in sympathetic and parasympathetic paraganglion system,derived from neural crest cells.Tympanic paraganglioma is a type of head and neck paraganglioma involving the middle ear cleft.Endoscopic transcanal approach is currently in vogue for the excision of tympanic paragangliomas that is limited to middle ear cleft.We present a series of 3 cases who underwent endoscopic excision of tympanic paraganglioma.
