[Maxillary ameloblastoma extending into the sinonasal tract.]

Institut für Pathologie, St. Vincentius-Kliniken Karlsruhe, Südendstr. 37, 76137, Karlsruhe, Deutschland, .
Der Pathologe (Impact Factor: 0.39). 02/2013;
Source: PubMed


Maxillary ameloblastomas can extensively expand into the paranasal sinuses or even the nasal cavity due to a slow growth pattern. Sinusitis is rarely the first tumor-related complaint. Due to the various growth forms of ameloblastomas the challenging histological differential diagnosis includes several other odontogenic as well as benign and malignant non-odontogenic tumors, e.g. tumors from the mucosa of the paranasal sinuses, salivary glands and Rathke's pouch. Despite the radical surgical approach a complete resection with wide margins cannot always be achieved. Maxillary ameloblastomas show the highest recurrence rates.

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