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Copyright of HNO is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of HNO is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of HNO is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Beschrieben wird der Fall einer 47 jährigen Patientin, die seit 5 Jahren zunehmend an den Symptomen einer Dakryostenose litt. Dakryozystographie, NNH-Tomographie, Schädel-CT sowie Biopsie des unteren Nasenganges ergaben ein plexiformes Ameloblastom des Sinus maxillaris, dessen Infiltration in die Orbita und die ableitenden Tränenwege zur Stenosierung des Tränenkanals führte. Über eine laterale Rhinotomie erfolgte die In- toto- Exzision des Tumors. A 47-year-old woman had typical symptoms of dacryostenosis for 5 years. Dacryocystography, sinustomography, computerized tomography scan and biopsy of the lower nasolacrimal duct confirmed the diagnosis of a plexiform ameloblastoma of the maxillary sinus. The infiltration of the orbit and the nasolacrimal duct by the tumor caused the stenosis of the lacrimal drainage system. A total excision of the ameloblastoma was performed as a lateral rhinotomy. [ABSTRACT FROM AUTHOR]