Context: In gastric cancer, the significance of perineural invasion remains controversial. Detecting perineural invasion with hematoxylin-eosin staining often leads to misdiagnosis. Labeling nerves by immunohistochemistry greatly assists perineural invasion detection, but it might also be misdiagnosed, because scattered cancer cells are difficult to recognize.
Objective: To reevaluate the significance of perineural invasion in gastric cancer by double immunohistochemical staining that labels both nerves and cancer cells, and to examine agreements on perineural invasion detection between double immunohistochemical staining and single immunochemical staining (to label nerves) or hematoxylin-eosin staining.
Design: We evaluated perineural invasion in 160 cases of gastric cancer with double immunohistochemical staining, single immunochemical staining, and hematoxylin-eosin staining, respectively; then we investigated the prognostic significance of perineural invasion.
Results: Perineural invasion was detected in 65.0% (104 of 160), 38.1% (61 of 160), and 56.9% (91 of 160) of cases with double immunohistochemical staining, hematoxylin-eosin staining, and single immunohistochemical staining, respectively. Agreement was low between double staining and hematoxylin-eosin staining (κ = .34), and most false reports occurred in diffuse gastric cancer. Agreement between single immunochemical staining and double staining was good (κ = .67), but it declined in diffuse gastric cancer (κ = .28). Perineural invasion was closely associated with other clinicopathologic variables. Although perineural invasion-positive patients had a worse outcome than perineural invasion-negative patients, it was not an independent prognostic factor (P = .11; hazard ratio, 0.637; 95% confidence interval, 0.366-1.110).
Conclusions: Double immunohistochemical staining could improve accuracy of perineural invasion detection in gastric cancer, particularly in the diffuse type. Moreover, perineural invasion predicts a poor outcome in gastric cancer, but it cannot provide more information than traditional clinicopathologic variables.
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http://dx.doi.org/10.5858/arpa.2012-0669-OA | DOI Listing |
Histopathology
December 2024
Goethe University Frankfurt, Medical Clinic 1, University Hospital, Frankfurt am Main, Germany.
Aims: Anti-claudin-18.2 (CLDN18.2) therapy was recently approved for the treatment of gastric or gastro-oesophageal junction adenocarcinoma.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Thoracic Surgery, Hangzhou Institute of Medicine (HIM), Key Laboratory Diagnosis and Treatment Technology on Thoracic Oncology, Zhejiang Cancer Hospital, Chinese Academy of Sciences, Hangzhou, Zhejiang province, China.
Background: The Inflammatory burden Index (IBI) is an effective predictor for a range of malignancies. However, the significance of IBI in esophageal squamous cell carcinoma (ESCC) needs to be further verified. The aim of this study was to verify the predictive power of IBI in ESCC undergoing radical resection.
View Article and Find Full Text PDFTrends Neurosci
December 2024
State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China. Electronic address:
In pancreatic cancer, significant alterations occur in the local nervous system, including axonogenesis, neural remodeling, perineural invasion, and perineural neuritis. Pancreatic cancer can impact the central nervous system (CNS) through cancer cell-intrinsic factors or systemic factors, particularly in the context of cancer cachexia. These peripheral and central neuropathic changes exert substantial influence on cancer initiation and progression.
View Article and Find Full Text PDFMedeni Med J
December 2024
Dokuz Eylül University Faculty of Medicine, Departmet of Medical Pathology, İzmir, Türkiye.
Objective: Angiotropism/perivascular invasion (PVI) is an emerging topic in various types of cancer, with studies primarily focusing on melanoma. However, limited data are available on the significance of PVI in breast cancer. This study aimed to assess the prognostic significance of PVI in breast cancer and its correlation with traditional clinicopathological prognostic parameters.
View Article and Find Full Text PDFWorld J Surg Oncol
December 2024
Department of Gastrointestinal Surgery, Navy Medical University First Affiliated Hospital, Shanghai, China.
Objective: To explore the relationship between vessel invasion (VI) and clinicopathological features and prognosis in patients with gastric cancer (GC).
Methods: A total of 3600 cases of patients with GC who underwent radical gastrectomy in gastrointestinal surgery department of the First Affiliated Hospital of Naval Medical University from June 2014 to June 2019 were retrospectively analyzed, and filtering them based on specific inclusion and exclusion criteria. To reduce the possibility of selection bias about the impact of VI, patients were divided into two groups according to the presence or absence of it, and performed a one-to-one propensity score matching (PSM), resulting in 724 patients in each group.
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