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Quintessence International



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Quintessence Int 47 (2016), No. 9     22. Sep. 2016
Quintessence Int 47 (2016), No. 9  (22.09.2016)

Page 785-790, doi:10.3290/j.qi.a36324, PubMed:27284583

Bronchogenic adenocarcinoma metastatic tumor mimicking a dentoalveolar abscess in the maxilla
Salarić, Ivan / Miloš, Mate / Brajdić, Davor / Manojlović, Spomenka / Trutin Ostović, Karmen / Macan, Darko
Intraosseous metastatic tumors (IOM) in maxilla are less frequent than the soft tissue metastatic tumors. Lung and bronchogenic metastatic tumors are uncommon in the maxilla. We present a maxillary bronchogenic metastasis with a rare clinical appearance. IOM was misdiagnosed as a dentoalveolar abscess and treated with antibiotics for 3 weeks. After not responding to antibiotics, the patient's general dental practitioner forwarded the patient to the Department of Oral and Maxillofacial Surgery. The associated tooth was extracted and the patient was recalled 1 week later. No signs of improvement were observed, and cytology, biopsy, and radiology diagnostics were performed. Cytologic results and biopsy could not differentiate a metastatic tumor from a salivary duct carcinoma. Ultimately, negative androgen receptors immunohistochemistry supported the diagnosis of bronchogenic metastatic adenocarcinoma. This case report stresses the importance of taking a thorough medical history. To our knowledge, this is the third bronchogenic IOM to the maxilla reported, mimicking a dentoalveolar abscess. General dental practitioners are among the first in contact with oral metastatic tumors and it is therefore important to report unusual clinical cases, as they present a diagnostic challenge for both the clinician and the pathologist.

Keywords: lung adenocarcinoma, maxilla, metastasis, misdiagnosis