De novo myoepithelial carcinoma with multiple metastases arising from a submandibular salivary gland: A case report.

Abstract:

:Salivary gland carcinomas are rare tumors, representing ~0.5% of all malignancies. Myoepithelioma is also uncommon, representing ~1% of all salivary gland tumors. Myoepithelial carcinoma (MC) is even rarer, representing 0.2 to 0.6% of all salivary gland tumors. We herein report a case of MC with multiple metastases arising from a submandibular gland in a 71-year-old male patient and present the associated imaging findings. The patient was considered to have a de novo type of myoepithelial carcinoma, which is reportedly associated with higher malignancy than the transformation type of the disease (i.e., a malignant change from pleomorphic adenoma or myoepithelioma). This was reflected in the multiple lung and bone metastases sites and strong positivity for p53 and Ki-67.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Panelli Santos KCP,Matsuzaki H,Unetsubo T,Tsuyoshi S,Nagatsuka H,Asaumi JI

doi

10.3892/ol.2017.5783

subject

Has Abstract

pub_date

2017-04-01 00:00:00

pages

2679-2683

issue

4

eissn

1792-1074

issn

1792-1082

pii

OL-0-0-5783

journal_volume

13

pub_type

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