Low-grade intraductal carcinoma (low-grade cribriform cystadenocarcinoma) with tumor-associated lymphoid proliferation of parotid gland

Toshimitsu Nishijima, Hidetaka Yamamoto, Takafumi Nakano, Yui Hatanaka, Ken ichi Taguchi, Muneyuki Masuda, Yoshinao Oda

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report a rare case of low-grade intraductal carcinoma with tumor-associated lymphoid proliferation (TALP) in the parotid gland of a 75-year-old woman. Grossly, the tumor was solid and cystic. Histologically, the tumor consisted of a papillary-cystic, micropapillary, or focally cribriform proliferations of epithelial cells with low-grade cytological atypia. The interspaces between the epithelial components were filled with prominent lymphoid stroma and lymphoid follicles, superficially mimicking Warthin tumor. The neoplastic epithelial cells were positive for S100 protein by immunohistochemical staining. There was an attenuated layer of myoepithelial cells all around the epithelial components, indicating a non-invasive (in situ) nature. Although TALP is a rare finding in intraductal carcinoma, it should be considered as a histological variation of this kind of tumor. The relationship between intraductal carcinoma, low-grade cribriform cystadenocarcinoma, low-grade salivary duct carcinoma, and salivary duct carcinoma in situ is also discussed in this report.

Original languageEnglish
Pages (from-to)706-709
Number of pages4
JournalPathology Research and Practice
Volume213
Issue number6
DOIs
Publication statusPublished - Jun 1 2017

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Cystadenocarcinoma
Carcinoma, Intraductal, Noninfiltrating
Parotid Gland
Salivary Ducts
Neoplasms
Epithelial Cells
Adenolymphoma
S100 Proteins
Carcinoma in Situ
Staining and Labeling
Carcinoma

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Cell Biology

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Low-grade intraductal carcinoma (low-grade cribriform cystadenocarcinoma) with tumor-associated lymphoid proliferation of parotid gland. / Nishijima, Toshimitsu; Yamamoto, Hidetaka; Nakano, Takafumi; Hatanaka, Yui; Taguchi, Ken ichi; Masuda, Muneyuki; Oda, Yoshinao.

In: Pathology Research and Practice, Vol. 213, No. 6, 01.06.2017, p. 706-709.

Research output: Contribution to journalArticle

Nishijima, Toshimitsu ; Yamamoto, Hidetaka ; Nakano, Takafumi ; Hatanaka, Yui ; Taguchi, Ken ichi ; Masuda, Muneyuki ; Oda, Yoshinao. / Low-grade intraductal carcinoma (low-grade cribriform cystadenocarcinoma) with tumor-associated lymphoid proliferation of parotid gland. In: Pathology Research and Practice. 2017 ; Vol. 213, No. 6. pp. 706-709.
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