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- Title
The Usefulness of Elastin Staining to Detect Vascular Invasion in Cancer.
- Authors
Gonzalez, Jeffrey; Bahmad, Hisham F.; Ocejo, Stephanie; Abreu, Alvaro; Popp, Meagan; Gogola, Samantha; Fernandez, Vielka; Recine, Monica; Poppiti, Robert
- Abstract
Tumor prognosis hinges on accurate cancer staging, a pivotal process influenced by the identification of lymphovascular invasion (LVI), i.e., blood vessel and lymphatic vessel invasion. Protocols by the College of American Pathologists (CAP) and the World Health Organization (WHO) have been established to assess LVI in various tumor types, including, but not limited to, breast cancer, colorectal cancer (CRC), pancreatic exocrine tumors, and thyroid carcinomas. The CAP refers to blood vessel invasion as "angioinvasion" (vascular invasion) to differentiate it from lymphatic vessel invasion (lymphatic invasion). For clarity, the latter terms will be used throughout this review. The presence of lymphatic and/or vascular invasion has emerged as a pivotal prognostic factor; therefore, its accurate identification is crucial not only for staging but also for providing the patient with an honest understanding of his/her prognosis. Given the prognostic importance of the correct identification of LVI, specific staining techniques are employed to distinguish lymphatic vessel invasion from angioinvasion and to differentiate true LVI from artifact. These encompass hematoxylin and eosin (H&E) staining, elastic staining, Factor VIII staining, Ulex europaeus I agglutinin staining, CD31, CD34, D2-40, ERG, and D2-40 (podoplanin) immunohistochemical (IHC) stains among others. Based on a review of numerous publications regarding the efficacy of various methods for LVI detection, elastin staining demonstrated superior accuracy and prognostic value, allowing for more targeted treatment strategies. The clinical significance of accurately detecting LVI cannot be overstated, as it is strongly linked to higher cancer-related mortality and an increased risk of tumor recurrence. This review aims to examine the existing literature on the use of elastin stains in the detection of vascular invasion among different types of tumors and its prognostic value.
- Subjects
WORLD Health Organization; COLLEGE of American Pathologists; ELASTIN; HEMATOXYLIN &; eosin staining; CANCER-related mortality; PANCREATIC tumors; THYROID cancer
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 20, p15264
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms242015264