Auris, nasus, larynx · 2019
Sphenoid sinus development in patients with acquired middle ear cholesteatoma.
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Arai Yasuhiro, Sano Daisuke, Takahashi Masahiro, Nishimura Goshi, Sakamaki Kentaro, Sakuma Naoko, Komatsu Masanori, Oridate Nobuhiko
Аннотация
OBJECTIVE: In this study, we examine the relationship between developmental insufficiency of mastoid air cells and abnormal morphology of the paranasal sinuses in patients with chronic otitis media (COM) and acquired middle ear cholesteatoma (AMEC) using precise image assessment, in order to evaluate whether the anatomical features of paranasal sinuses has any impact on the pathogenesis in COM and AMEC.
METHODS: A total of 127 patients, including 45 COM patients and 82 AMEC patients, were enrolled for this study. The existence of nasal septal deviation, the existence of paranasal sinus opacification, the modified Lund-Mackay score, the diameters of the paranasal sinuses, the Vidic classification, mastoid development, and cranial size were assessed by CT examination. A further 76 adult patients who underwent high-resolution CT imaging of their skull bone for other diseases were enrolled as the control.
RESULTS: The AMEC group showed a significantly shorter sphenoid length (P < 0.01) and lower Vidic classification score (P < 0.01) compared to the control group in this study. In addition, we observed that patients with AMEC had less pneumatization of the mastoid air cells compared to the control individuals, and that the sphenoid length of the poor MC score group was significantly shorter than that of the good MC score group.
CONCLUSION: Our results suggested that the developmental deficiency in sphenoid length caused by long-standing pediatric rhinosinusitis might indicate the potential of chronic middle ear inflammation in childhood and impact the pneumatization of mastoid air cells. Therefore, chronic rhinosinusitis during the childhood and adolescence might play a role in the pathophysiology of AMEC.
METHODS: A total of 127 patients, including 45 COM patients and 82 AMEC patients, were enrolled for this study. The existence of nasal septal deviation, the existence of paranasal sinus opacification, the modified Lund-Mackay score, the diameters of the paranasal sinuses, the Vidic classification, mastoid development, and cranial size were assessed by CT examination. A further 76 adult patients who underwent high-resolution CT imaging of their skull bone for other diseases were enrolled as the control.
RESULTS: The AMEC group showed a significantly shorter sphenoid length (P < 0.01) and lower Vidic classification score (P < 0.01) compared to the control group in this study. In addition, we observed that patients with AMEC had less pneumatization of the mastoid air cells compared to the control individuals, and that the sphenoid length of the poor MC score group was significantly shorter than that of the good MC score group.
CONCLUSION: Our results suggested that the developmental deficiency in sphenoid length caused by long-standing pediatric rhinosinusitis might indicate the potential of chronic middle ear inflammation in childhood and impact the pneumatization of mastoid air cells. Therefore, chronic rhinosinusitis during the childhood and adolescence might play a role in the pathophysiology of AMEC.