The fine surface view of the human adult eustachian tube

Hiraide, Fumihisa; Inouye, Tetsuzo

doi:10.1017/s0022215100093920

Cited by 22 publications

(12 citation statements)

References 14 publications

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“…Oncocytic changes of the ductal epithelia were discovered in the pharyngeal part of ET of subjects over 60 years old (20). The density of the ciliated cells decreases from the pharyngeal to the tympanic orifice and from the tubal floor to the roof (26). Previous findings and our results suggest that glandular tissue atrophy may significantly impact agerelated changes in the pharyngeal part of ET.…”

Section: Relationship Between Age and Pharyngeal Orificesupporting

confidence: 68%

“…The PHI-10 scale, which consists of 10 questions, was devised to evaluate the severity of subjective PET symptoms (19). The classification for grading is defined as no handicap (0-8), mild handicap (10)(11)(12)(13)(14)(15)(16), moderate handicap (18)(19)(20)(21)(22)(23)(24), and severe handicap (25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(40).…”

Section: Patulous Eustachian Tube Handicap Inventory-10mentioning

confidence: 99%

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Enlargement of Eustachian Tube Lumen in Patulous Eustachian Tube Patients Compared to that by Aging

Ikeda

Kusano

Kawamura

et al. 2022

Otology &Amp; Neurotology

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Objective:To evaluate the Eustachian tube (ET) dimensions in patulous ET (PET) patients compared with that by aging using sitting 3D computed tomography (CT).Study Design:Retrospective study.Setting:Tertiary referral center.Subjects and methods:A retrospective survey of medical records in Sen-En Rifu Hospital identified 105 ears of 76 PET patients and 65 ears of 34 patients without ET dysfunction findings (non-PET). Subjects in both PET and non-PET groups were then divided into two age groups. Groups A and C defined as non-PET and PET subjects respectively, who were under the age of 60 years, while Groups B and D defined of non-PET and PET subjects respectively, who were 60 years and above. 3D CT (Accuitomo; Morita, Kyoto, Japan) was performed on all subjects in the sitting position. The ET lumen from the ET pharyngeal orifice to 15 mm was analyzed.Results:No significant difference in the ET lumen near the pharyngeal orifice was found between Group A and C; however, there was a significant difference in the ET at points lateral to the pharyngeal orifice. The ET lumen was significantly larger at the site close to the pharyngeal orifice in Group B as compared to that of Group A. For the two groups of PET classified according to the size of the pharyngeal orifice and area close to the isthmus, age was only significantly different between two groups of pharyngeal orifice. On the contrary, sonotumometry and Ohta method were significantly different between the two groups of the area close to the isthmus.Conclusion:The lumen of the ET is enlarged in both PET and aging. However, the responsible site was found to be different. While the enlargement of the ET lumen in 60 years and above subjects without PET mainly occurred near the pharyngeal orifice of the ET, it was near the isthmus in under 60 years PET patients. Further study of possible clinical implications of these findings as well as treatment strategy are required.

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Section: Relationship Between Age and Pharyngeal Orificesupporting

confidence: 68%

Section: Patulous Eustachian Tube Handicap Inventory-10mentioning

confidence: 99%

Enlargement of Eustachian Tube Lumen in Patulous Eustachian Tube Patients Compared to that by Aging

Ikeda

Kusano

Kawamura

et al. 2022

Otology &Amp; Neurotology

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“…This concept is supported by the absence of cilia in the roof area of the tube and the abundance of goblet cells in the lower portions. [9] A functional ET is an integral part of a normal middle ear and thus is an essential requirement for optimum results in the management of chronic otitis media. Although some authors mentioned that ET dysfunction is not a risk factor for chronic otitis media (COM), [10,11] the majority agree that the obstruction of ET has an important role in COM, especially tubotympanic variety.…”

Section: Discussionmentioning

confidence: 99%

Relationship between Eustachian tube function and location of the perforation in chronic otitis media

et al. 2015

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“…Indeed, metaplasia of the respiratory epithelium is common following repeated inflammations, the ciliated columnar cells being transformed into squamous cells or goblet cells [8]. The supporting lamina propria has variable thickness and can be divided into three layers: a basal membrane, an inconstant sheet of lymphoid tissue, and a layer of compound tubuloalveolar glands which are more crowded in the cartilaginous portion of ET [1,8]. The normal presence of mucous glands may distinguish ET mucosa from middle-ear mucosa.…”

Section: Introductionmentioning

confidence: 99%

Primary tumors and tumor-like lesions of the eustachian tube: a systematic review of an emerging entity

Muzzi

Cama

Boscolo‐Rizzo

et al. 2011

Eur Arch Otorhinolaryngol

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Eustachian tube (ET) primary tumors and tumor-like lesions are rare diseases presenting with common ear, nose and throat symptoms. Pathology can range from developmental anomalies to high malignant neoplasms. Hence this review aimed at suggesting a classification and outline relevant aspects of ET primary tumors and tumor-like lesions, describing clinical findings, diagnostic management and therapeutic approaches. MEDLINE, CINAHL, OVIDSP, HIGHWIRE, and GOOGLE databases were searched from inception to July 2011 for relevant studies. Further papers were identified by examining the reference lists of all included. Sixty-five papers met the inclusion criteria, enclosing 78 cases. Case reports are increasing in the past few years. Benign lesions and tumor-like lesions of ET have been reported. Moreover, melanomas, carcinomas, and sarcomas can affect the ET as a primary site.

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The fine surface view of the human adult eustachian tube

Cited by 22 publications

References 14 publications

Enlargement of Eustachian Tube Lumen in Patulous Eustachian Tube Patients Compared to that by Aging

Enlargement of Eustachian Tube Lumen in Patulous Eustachian Tube Patients Compared to that by Aging

Relationship between Eustachian tube function and location of the perforation in chronic otitis media

Primary tumors and tumor-like lesions of the eustachian tube: a systematic review of an emerging entity

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