case_images: PMC3999928_01
case_images: Non-contrasted coronal CT scan from two years prior to patient presentation.. Only mild mucosal thickening of the floor of the left maxillary sinus and post-surgical changes related to endoscopic sinus surgery were noted.
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case_images: PMC3999928_01_f1000research-3-4326-g0000.jpg
case_images: f1
case_images: Her most recent CT scan from two years prior to presentation at our facility was remarkable for minimal mucosal thickening of the floor of the left maxillary sinus was otherwise normal ( Figure 1).
case_images: Repeat non-contrasted coronal CT scan.. Retained gutta-percha (white arrow) noted in left maxillary sinus. Inset in the top right corner reveals a zoomed image of the gutta-percha.
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case_images: PMC3999928_01_f1000research-3-4326-g0001.jpg
case_images: f2
case_images: Her CT scan was repeated and she was referred to an oral surgeon for evaluation ( Figure 2- Figure 4). The CT scan was evaluated by an oral and maxillofacial surgeon who noted that there were two small remnants of the prior left maxillary root canal that had been performed two and half years ago ( Figure 2- Figure 4).
case_images: Sagittal section of non-contrasted CT scan shows two retained remnants of gutta-percha (white arrow) in the left maxilla in the location of previous dental extractions.. Inset in the top-right corner reveals a zoomed image of the two gutta-percha remnants.
case_images: f1000research-3-4326-g0003.jpg
case_images: PMC3999928_01_f1000research-3-4326-g0003.jpg
case_images: f4
case_images: Her CT scan was repeated and she was referred to an oral surgeon for evaluation ( Figure 2- Figure 4). The CT scan was evaluated by an oral and maxillofacial surgeon who noted that there were two small remnants of the prior left maxillary root canal that had been performed two and half years ago ( Figure 2- Figure 4).