Journal of Pathology and Translational Medicine

Original Article

Expressions of E-cadherin, Cortactin and MMP-9 in Pseudoepitheliomatous Hyperplasia and Squamous Cell Carcinoma of the Head and Neck: Their Relationships with Clinicopathologic Factors and Prognostic Implication: Tack Kune You, Kyoung Min Kim, Sang Jae Noh, Jun Sang Bae, Kyu Yun Jang, Myoung Ja Chung, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee, Ho Sung Park; Korean J Pathol. 2012;46(4):331-340. Published online August 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.4.331

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Background

E-cadherin, cortactin, and matrix metalloproteinase (MMP)-9 have roles in tumor development or progression, but their expression has not been fully investigated in pseudoepitheliomatous hyperplasia (PEH) and squamous cell carcinoma (SCC) of the head and neck.

Methods

We evaluated the immunohistochemical expression of E-cadherin, cortactin, and MMP-9 in 29 cases of PEH and 97 cases of SCC. Additionally, we evaluated their relationship with clinicopathologic factors and prognostic implications in SCC.

Results

Thirty-five cases of SCC showed reduced expression of E-cadherin, whereas none of the PEH did. A total of 20 cases and 11 cases of SCC were immunoreactive for cortactin and MMP-9, respectively, whereas none of the PEH did. In SCC, reduced expression of E-cadherin was correlated with cortactin expression and invasion depth. Cortactin expression was correlated with differentiation, T classification, and recurrence and/or metastasis. MMP-9 expression was correlated with invasion depth. Cortactin expression was correlated with poor overall survival and relapse-free survival and it was an independent prognostic factor.

Conclusions

The reduced expression of E-cadherin and the expression of cortactin may be helpful for the differential diagnosis of PEH and SCC. Furthermore, cortactin expression in association with reduced E-cadherin expression is correlated with poor prognosis in SCC.

Citations

Citations to this article as recorded by

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Case Report

Nasal Type NK/T Cell Lymphoma with Pseudoepitheliomatous Hyperplasia: A Case Report.: Hoon Kyu Oh, Jeong Kyu Kim, Kwan Kyu Park; Korean J Pathol. 2006;40(3):250-254.

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Abstract PDF: A case of prominent pseudoepitheliomatous hyperplasia (PEH), that was misdiagnosed as squamous cell carcinoma (SCC) on the frozen section occured in the nasal mucosa of a patient suffering with nasal type NK/T cell lymphoma. To prevent misdiagnosis of this lesion, pathologists should be aware that NK/T cell lymphoma may be associated with overlying mucosal PEH, and so the physician must adhere to strict diagnostic criteria for making the diagnosis of SCC. The pathogenesis of PEH associated with NK/T cell lymphoma is not still clear, but it may be related to the production of growth factors, especially epidermal growth factor and transforming growth factor, by the underlying tumors.

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