Clinical Implications of Pituitary Adenomas Exhibiting Dual Transcription Factor Staining: A Case Series of 27 Patients.
Clinical Implications of Pituitary Adenomas Exhibiting Dual Transcription Factor Staining: A Case Series of 27 Patients.
复制标题
表现出双转录因子染色的垂体腺瘤的临床意义:27 名患者的病例系列。
DOI:
10.1016/j.wneu.2023.11.036
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发表时间:
2024
影响因子:
2
通讯作者:
Zada,Gabriel
中科院分区:
文献类型:
--
作者:
Bove,Ilaria;Cheok,StephanieK;Feng,JeffreyJ;Briggs,RobertG;Ruzevick,Jacob;Cote,DavidJ;Shah,Ishan;Little,Andrew;Laws,Edward;Castro,AnaValeria;Carmichael,John;Shiroishi,Mark;Hurth,Kyle;Zada,Gabriel
ObjectiveAccording to the 2017 World Health Organization classification of neuro-endocrine tumors, pituitary adenomas (PAs) are classified according to immunoexpression of the pituitary-specific transcription factors (TFs). A small subset of PAs exhibit multiple TF staining on immunohistochemistry and we present a series of 27 pathologically-confirmed cases of dual TF staining PAs (dsTF-PAs), and report clinically relevant implications.MethodsA retrospective chart review of a multi-institutional database of patients with PAs surgically resected between 2008–2021 was performed. PAs expressing immunopositivity 2+ TFs. Patient demographics, neuro-imaging characteristics, histopathologic findings, and clinical data were collected.ResultsTwenty-seven patients had pathologically verified dsTF-PAs, of whom 17 were female (63%), with ages ranging from 20–84 years. Twenty-three (85.2%) patients harbored functional PAs, with acromegaly being the most common functional subtype (86.4%). The most common combination of TFs within a single tumor was PIT-1/SF-1 (85.2%). Six PAs exhibited Knosp cavernous sinus invasion grades of 3 or 4 and the Ki-67 labeling index was ≥3% in 6 patients (24.0%) and all stained for PIT-1/SF-1. Hormonal remission was achieved in 78% of functional dsTF-PAs. No PAs showed evidence of recurrence or progression over the mean follow-up period of 28.5 months.ConclusionsPAs exhibiting dsTF-PAs represent a small but clinically relevant diagnostic subset of PAs according to the 2021 World Health Organization criteria, as a majority are GH-producing. Precise classification using TF staining plays a key role in understanding the biology of these tumors. Favorable outcomes can be achieved in this subset of PAs with evolving TF classification.