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Kaplan FA, Saglam H, Bilgir E, Bayrakdar IS, Orhan K. Radıologıcal Evaluatıon of the Recesses on the Posterıor Wall of the Nasopharynx wıth Cone-beam Computed Tomography. Niger J Clin Pract 2022; 25:55-61. [PMID: 35046196 DOI: 10.4103/njcp.njcp_559_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background The posterior wall of the nasopharynx is composed of loose connective tissue that includes many important anatomical structures. Various structures, such as the opening of the Eustachian tube (ET), the Rosenmüller fossa (RF), and the pharyngeal bursa (PB) are found here. Aim To evaluate the nasopharynx posterior wall anatomic structures, including the Eustachian tube, Rosenmüller fossa, and pharyngeal bursa with cone-beam computed tomography. Materials and Methods The depth, width, and length of the Eustachian tube, Rosenmüller fossa, and pharyngeal bursa were measured in 150 patients using axial-sagittal cone-beam computed tomography. The Eustachian tube and Rosenmüller fossa distance to the midsagittal plane, the coronal region passing through the posterior end of the nasal septum, the superior-inferior extremity of the recesses, and the nasal floor plane distance were measured. The relationship between Rosenmüller fossa types and other parameters were evaluated. Results The incidence of right Rosenmüller fossa types 1, 2, and 3 were 16%, 18%, and 66%, respectively, and that of the left Rosenmüller fossa types 1, 2, and 3 were 16%, 19.3%, and 64.7%, respectively. The mean pharyngeal bursa width, length, and depth were 10.8, 5.7, and 4.0 mm, respectively; those of the Eustachian tube were 5.6, 7.1, and 7.3 m, respectively; those of the right Rosenmüller fossa were 4.0, 12.4, and 10.5 mm, respectively; and those of the left Rosenmüller fossa were 3.8, 12.5, and 10.9 mm, respectively. Conclusions The posterior wall of the nasopharynx contains several important anatomical structures. Evaluation of these using cone-beam computed tomography has many clinical and radiological advantages. To understand and interpret the coincidental findings in CBCT, dental radiologists should have access to more detailed information concerning the anatomy of the nasopharynx.
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Affiliation(s)
- F A Kaplan
- Eskisehir Osmangazi University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Eskisehir, Turkey
| | - H Saglam
- Eskisehir Osmangazi University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Eskisehir, Turkey
| | - E Bilgir
- Eskisehir Osmangazi University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Eskisehir, Turkey
| | - I S Bayrakdar
- Eskisehir Osmangazi University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Eskisehir, Turkey
| | - K Orhan
- Ankara University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology Dentomaxillofacial Radiology, Ankara, Turkey; OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
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Nabuurs CH, Kievit W, Labbé N, Leemans CR, Smit CFGM, van den Brekel MWM, Pauw RJ, van der Laan BFAM, Jansen JC, Lacko M, Braunius WW, Morita S, Wierzbicka M, Matoba T, Hanai N, Takes RP, Kunst HPM. Evaluation of the modified Pittsburgh classification for predicting the disease-free survival outcome of squamous cell carcinoma of the external auditory canal. Head Neck 2020; 42:3609-3622. [PMID: 32794253 PMCID: PMC7754129 DOI: 10.1002/hed.26424] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 06/15/2020] [Accepted: 08/03/2020] [Indexed: 11/27/2022] Open
Abstract
Background Squamous cell carcinoma (SCC) of the external auditory canal (EAC) is a rare disease, which is commonly classified with the modified Pittsburgh classification. Our aim was to evaluate the predictive performance of this classification in relation to disease‐free survival (DFS). Methods We examined retrospective data from a nationwide Dutch cohort study including patients with primary EAC SCC. These data were combined with individual patient data from the literature. Using the combined data, the predictive performances were calculated using the c‐index. Results A total of 381 patients were included, 294 for clinical and 281 for the pathological classification analyses. The c‐indices of the clinical and the pathological modified Pittsburgh classification predicting DFS were 0.725 (0.668‐0.782) and 0.729 (0.672‐0.786), respectively. Conclusion The predictive performance of the modified Pittsburgh classification system as such appears to be acceptable to predict the DFS of EAC SCC. Other factors need to be added to a future model to improve the predicted performance.
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Affiliation(s)
- Cindy H Nabuurs
- Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.,Rare Cancers, Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Wietske Kievit
- Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.,Rare Cancers, Radboud Institute for Health Sciences, Nijmegen, The Netherlands.,Department of Health Evidence, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nilou Labbé
- Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - C René Leemans
- Department of Otolaryngology-Head and Neck Surgery, Amsterdam University Medical Centers, VU University, Amsterdam, The Netherlands
| | - Conrad F G M Smit
- Department of Otolaryngology-Head and Neck Surgery, Amsterdam University Medical Centers, VU University, Amsterdam, The Netherlands
| | - Michiel W M van den Brekel
- Department of Head and Neck Surgery, Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, The Netherlands
| | - Robert J Pauw
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Bernard F A M van der Laan
- Department of Otorhinolaryngology and Head and Neck Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jeroen C Jansen
- Department of Otorhinolaryngology and Head and Neck Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Martin Lacko
- Department of Otorhinolaryngology and Head and Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Weibel W Braunius
- Department of Head and Neck Surgical Oncology, University Medical Center Utrecht Cancer Center, Utrecht, The Netherlands
| | - Shinya Morita
- Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | | | - Takuma Matoba
- Department of Otorhinolaryngology and Head and Neck Surgery, Nagoya City University Hospital, Nagoya, Aichi, Japan.,Department of Head and Neck Surgery, Aichi Cancer Center Hospital, Nagoya, Aichi, Japan
| | - Nobuhiro Hanai
- Department of Head and Neck Surgery, Aichi Cancer Center Hospital, Nagoya, Aichi, Japan
| | - Robert P Takes
- Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.,Rare Cancers, Radboud Institute for Health Sciences, Nijmegen, The Netherlands
| | - Henricus P M Kunst
- Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.,Rare Cancers, Radboud Institute for Health Sciences, Nijmegen, The Netherlands.,Department of Otorhinolaryngology and Head and Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
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3
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Le H, Zhang H, Tao W, Lin L, Li J, Ma L, Hong G, Lou X. Clinicoradiologic characteristics of endolymphatic sac tumors. Eur Arch Otorhinolaryngol 2019; 276:2705-2714. [DOI: 10.1007/s00405-019-05511-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 06/08/2019] [Indexed: 12/17/2022]
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Abstract
Primary carcinoma of the middle ear is extremely rare. A 41-year-old woman with a history of skull base osteomyelitis and chronic suppurative right otitis media presented with 1 month of right-sided facial droop, tearing, and headaches. Initial head CT revealed bony destruction and soft tissue opacification involving the right middle ear. Surgical biopsy yielded poorly differentiated carcinoma. Subsequent F-FDG PET/CT and MRI scans demonstrated FDG-avid soft tissue in the right middle ear with associated heterogeneously enhancing soft tissue on MRI.
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Hudgins PA, Baugnon KL. Head and Neck: Skull Base Imaging. Neurosurgery 2017; 82:255-267. [DOI: 10.1093/neuros/nyx492] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 09/07/2017] [Indexed: 12/20/2022] Open
Abstract
Abstract
There are a myriad of head and neck pathologies that extend from the extracranial to the intracranial compartment, traversing the skull base, and knowledge of the imaging appearance of this pathology is critical to practicing neurosurgeons. This article reviews some of the important inflammatory or acquired head and neck pathology along the skull base, neoplastic skull base lesions, and the intracranial extension of head and neck malignancy. Focus will be on the relevant anatomy, appropriate imaging protocols to evaluate these processes, as well as the differentiating imaging findings on computed tomography and magnetic resonance imaging.
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Affiliation(s)
- Patricia A Hudgins
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
| | - Kristen L Baugnon
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
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Alper CM, Luntz M, Takahashi H, Ghadiali SN, Swarts JD, Teixeira MS, Csákányi Z, Yehudai N, Kania R, Poe DS. Panel 2: Anatomy (Eustachian Tube, Middle Ear, and Mastoid-Anatomy, Physiology, Pathophysiology, and Pathogenesis). Otolaryngol Head Neck Surg 2017; 156:S22-S40. [PMID: 28372527 DOI: 10.1177/0194599816647959] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Objective In this report, we review the recent literature (ie, past 4 years) to identify advances in our understanding of the middle ear-mastoid-eustachian tube system. We use this review to determine whether the short-term goals elaborated in the last report were achieved, and we propose updated goals to guide future otitis media research. Data Sources PubMed, Web of Science, Medline. Review Methods The panel topic was subdivided, and each contributor performed a literature search within the given time frame. The keywords searched included middle ear, eustachian tube, and mastoid for their intersection with anatomy, physiology, pathophysiology, and pathology. Preliminary reports from each panel member were consolidated and discussed when the panel met on June 11, 2015. At that meeting, the progress was evaluated and new short-term goals proposed. Conclusions Progress was made on 13 of the 20 short-term goals proposed in 2011. Significant advances were made in the characterization of middle ear gas exchange pathways, modeling eustachian tube function, and preliminary testing of treatments for eustachian tube dysfunction. Implications for Practice In the future, imaging technologies should be developed to noninvasively assess middle ear/eustachian tube structure and physiology with respect to their role in otitis media pathogenesis. The new data derived from these structure/function experiments should be integrated into computational models that can then be used to develop specific hypotheses concerning otitis media pathogenesis and persistence. Finally, rigorous studies on medical or surgical treatments for eustachian tube dysfunction should be undertaken.
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Affiliation(s)
- Cuneyt M Alper
- 1 Department of Pediatric Otolaryngology, Children's Hospital of Pittsburgh of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,2 Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,3 Clinical and Translational Science Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Michal Luntz
- 4 Department of Otolaryngology Head and Neck Surgery, Bnai Zion Medical Center; Technion-The Ruth and Bruce Rappaport Faculty of Medicine, Haifa, Israel
| | - Haruo Takahashi
- 5 Department of Otolaryngology-Head and Neck Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Samir N Ghadiali
- 6 Department of Biomedical Engineering, Ohio University, Columbus, Ohio, USA.,7 Department of Internal Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Ohio University, Columbus, Ohio, USA
| | - J Douglas Swarts
- 2 Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Miriam S Teixeira
- 2 Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Zsuzsanna Csákányi
- 8 Department of Pediatric Otorhinolaryngology, Heim Pal Children's Hospital, Budapest, Hungary
| | - Noam Yehudai
- 4 Department of Otolaryngology Head and Neck Surgery, Bnai Zion Medical Center; Technion-The Ruth and Bruce Rappaport Faculty of Medicine, Haifa, Israel
| | - Romain Kania
- 9 Department of Otorhinolaryngology-Head and Neck Surgery, Lariboisière Hospital, Diderot University, University Paris Sorbonne, Paris, France
| | - Dennis S Poe
- 10 Department of Otology and Laryngology, Harvard Medical School, Boston Children's Hospital, Boston, Massachusetts, USA.,11 Department of Otolaryngology and Communications Enhancement, Boston Children's Hospital, Boston, Massachusetts, USA
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Imaging of the Eustachian tube and its function: a systematic review. Neuroradiology 2016; 58:543-556. [PMID: 26922743 PMCID: PMC4877436 DOI: 10.1007/s00234-016-1663-4] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 02/05/2016] [Indexed: 12/17/2022]
Abstract
Introduction The Eustachian tube is a complex and inaccessible structure, which maintains middle ear ventilation to facilitate transmission of sound from the tympanic membrane to the cochlea. A renewed interest in treatments for eustachian tube dysfunction has led to a demand for methods of imaging the Eustachian tube, and assessing tube opening non-invasively. This review aims to summarise the use of imaging in the anatomical assessment of the Eustachian tube, and to explore how radiological techniques can be used to assess tube function. Methods A systematic review of the literature was performed with narrative data analysis. Results With high-resolution images, the soft and bony anatomy of the Eustachian tube can be assessed in detail. CT and MRI are best suited to identifying features associated with obstructive or patulous Eustachian tube dysfunction, though true assessments of function have only been achieved with contrast enhanced radiographs and scintigraphy. A single modality has yet to provide a complete assessment. No test has entered routine clinical use, but further development and research is underway. Conclusion Significant information can be gained from imaging the Eustachian tube, and as faster acquisition techniques are developed, it is possible that dynamic imaging of tubal opening could play an important role in the assessment of patients with ET dysfunction.
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Zanoletti E, Lovato A, Stritoni P, Martini A, Mazzoni A, Marioni G. A critical look at persistent problems in the diagnosis, staging and treatment of temporal bone carcinoma. Cancer Treat Rev 2015; 41:821-6. [DOI: 10.1016/j.ctrv.2015.10.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 10/14/2015] [Accepted: 10/22/2015] [Indexed: 01/23/2023]
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