Ponniah I
Department of Oral and Maxillofacial Pathology, Tamil Nadu Government Dental College and Hospital, Chennai, India.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Aug;104(2):e27-9. doi: 10.1016/j.tripleo.2006.06.053. Epub 2006 Oct 27.
Sialadenoma papilliferum is a rare benign tumor of salivary glands that predominantly affects intraoral minor salivary glands. It is characterized by a biphasic growth pattern of exophytic squamous component and endophytic glandular component. Malignant transformation of sialadenoma papilliferum has only been recently recognized. The present article reports a rare case of sialadenoma papilliferum with epithelial dysplasia and carcinoma-in-situ in the exophytic component.
乳头状涎腺瘤是一种罕见的唾液腺良性肿瘤,主要累及口腔内的小唾液腺。其特征为外生性鳞状成分和内生性腺样成分的双相生长模式。乳头状涎腺瘤的恶性转化直到最近才被认识到。本文报道了一例罕见的乳头状涎腺瘤病例,其外生性成分存在上皮发育异常和原位癌。