Abstract
Neuroendocrine carcinoma (NEC) of the uterine cervix is less characterized than neuroendocrine neoplasms of other sites such as of the digestive system and the lung. Special AT-rich sequence-binding protein 2 (SATB2) recently emerged as a marker of well-differentiated neuroendocrine tumors of the lower gastrointestinal (GI) tract. Among NECs, SATB2 is more frequently expressed in cutaneous Merkel cell carcinoma than in NEC of other anatomical sites. In our study, we performed an immunohistochemical study of SATB2 in 16 NECs of the uterine cervix, where the expression of these markers is still undefined. SATB2 was expressed in 12/16 cervical NECs (75%), with 7/16 cases (44%) showing SATB2 positivity in ≥ 50% of cells. In 7 cervical NECs associated with a non-neuroendocrine component, the expression of SATB2 was restricted to the neuroendocrine component. SATB2 was positive in all cases that expressed CDX2 (n = 7) and TTF1 (n = 5), with no evident association with p16 and p53. Our study demonstrated that SATB2 is often expressed in NECs of the uterine cervix. This information should be taken into account when assessing the origin of a NEC.
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FI, GFZ, and GR: study design and acquisition of pathological data. AS, GA, and AC: acquisition of pathological data and writing of the manuscript. AT, LI, and AR: acquisition of clinical data and surgical procedures. VM and GS: performed the histological examination and revised the paper critically for important intellectual content. DA and ND: critical review of the manuscript. All authors have read and approved the manuscript.
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The Institutional Review Board (IRB) of Fondazione Policlinico A. Gemelli—IRCCS—considered the retrospective nature of the study and approved the submission of our scientific work (N. Prot. 19640/20).
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Inzani, F., Angelico, G., Santoro, A. et al. SATB2 is expressed in neuroendocrine carcinoma of the uterine cervix. Virchows Arch 480, 873–877 (2022). https://doi.org/10.1007/s00428-021-03255-7
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DOI: https://doi.org/10.1007/s00428-021-03255-7