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Prognostic role of parafibromin staining and CDC73 mutation in patients with parathyroid carcinoma: A systematic review and meta‐analysis based on individual patient data
Author(s) -
Zhu Ruizhe,
Wang Zixing,
Hu Ya
Publication year - 2020
Publication title -
clinical endocrinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.055
H-Index - 147
eISSN - 1365-2265
pISSN - 0300-0664
DOI - 10.1111/cen.14161
Subject(s) - parathyroid carcinoma , medicine , immunohistochemistry , malignancy , oncology , carcinoma , hazard ratio , proportional hazards model , pathology , surgery , confidence interval
Background and Objective Parathyroid carcinoma (PC) is a rare malignant neoplasm with a relatively poor prognosis. The loss of parafibromin expression or the presence of CDC73 mutation has been found to be remarkably associated with malignancy in parathyroid tumours. However, the prognostic role of them in PC has not yet been shown due to sampling limitations. We conducted a systematic review and meta‐analysis based on individual patient data to clarify the performance of parafibromin immunohistochemical staining and CDC73 gene sequencing in predicting outcomes for patients PC. Methods Published studies from PubMed/MEDLINE, EMBASE, Cochrane and Scopus Databases were searched using the terms ‘parafibromin’, ‘CDC73’, ‘HRPT2’ and ‘parathyroid’ to identify eligible studies. From the included studies, the survival data of patients with PC were extracted, and a Cox proportional hazards model was used to assess hazard ratio (HR) for disease‐free survival (DFS) and overall survival (OS). Results A total of 193 patients from 9 studies were included in this survival analysis. Negative immunohistochemical staining of parafibromin was shown to be a risk factor for recurrence/metastasis (HR 2.73, P  = .002) and death (HR 2.54, P  = .004). Patient age ≥ 50 years was significantly related to lower OS (HR 2.37, P  = .004) but not to DFS. CDC73 mutation was not statistically related to DFS or OS. Conclusions Negative parafibromin staining indicated a higher risk of recurrence/metastasis and mortality. The immunohistochemical staining of parafibromin seems to be more promising in predicting outcomes for patients with PC than the sequencing of CDC73 .

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