Case Report An unusual Warthin's tumor arising from minor salivary glands in the floor of mouth

Zhenjie Gao, Mohammed Thabet Aladimi, Ming Xuan, Hussein Hikmat Helal, Chenxin Wang, Longjiang Li
2017 Int J Clin Exp Med   unpublished
Warthin tumor (papillary cystadenoma lymphomatosum) is a benign salivary gland tumor occurring almost exclusively in the parotid gland. Warthin tumor arising from the minor salivary glands is extremely rare, with a reported incidence of 0.1% to 1.2%. Case presentation: We report here a case of recurrent Warthin tumor arising from the minor salivary glands in the floor of the mouth in adult woman. The Computed tomography of the first presentation of the lesion (18 months ago) shows swelling on
more » ... shows swelling on the floor of the mouth with cystic nature with 4.6 cm×5.2 cm size. The recurrent lesion was presented as a swelling of 2.6 cm×1.6 cm size (six months ago). Surgical local excision with wide tumor free margins was performed with a biopsy specimen sent to histopathology, which was diagnosed as papillary cystadenoma lymphomatosum. The patient has been followed up for six months without any signs of recurrence of the lesion. Conclusion: Warthin's tumor can arise "although rare" in the minor salivary glands of the floor of the mouth.
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