Polymorphous Low-Grade Adenocarcinoma Located in the Maxillary Sinus

Demet ETİT; Deniz ALTINEL; Ümit BAYOL; Ayça TAN; Özlem TÜRELİK; İbrahim ÇUKUROVA

doi:10.5146/tjpath.2012.01136

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Table of Contents

2012, Volume 28, Number 3, Page(s) 274-277

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DOI: 10.5146/tjpath.2012.01136

Polymorphous Low-Grade Adenocarcinoma Located in the Maxillary Sinus

Demet ETİT¹, Deniz ALTINEL¹, Ümit BAYOL¹, Ayça TAN¹, Özlem TÜRELİK¹, İbrahim ÇUKUROVA²

¹Department of Pathology, İzmir Tepecik Education and Research Hospital, İZMİR, TURKEY
²Department of Otorhinolaryngology, İzmir Tepecik Education and Research Hospital, İZMİR, TURKEY

Keywords: Adenocarcinoma, Maxillary sinus, Paranasal sinuses

Polymorphous low-grade adenocarcinoma is a malignant epithelial tumour with low metastatic rate and infiltrative growth pattern. The palate is the most common site. Paranasal sinuses are uncommon venues for polymorphous low-grade adenocarcinoma. Here, we report a polymorphous low-grade adenocarcinoma case of the maxillary sinus, a very rare location. Although it is a low grade malignancy, progression may develop after a long time. Therefore, polymorphous low-grade adenocarcinoma should be kept in mind in the differential diagnosis even in rare sites in the head and neck.

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