Journals / Türk Patoloji Dergisi / 2013 / Cilt: 29 - Sayı: 1

Laringeal skuamöz hücreli karsinomlarda tümör-stroma oranının prognostik değeri

The prognostic value of tumor-stroma proportion in laryngeal squamous cell carcinoma

Pages
27–35
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

The overall and disease-free survival analysis did not reveal significance for tumor-stroma proportion (p=0.08, p=0.38).

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Tumor-stroma proportion of tumor has been presented as a prognostic factor in some types of adenocarcinomas, but there is no information about squamous cell carcinomas and laryngeal carcinomas.
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Key Findings & Data:Material and Method: Five digital images of the tumor sections were obtained from 85 laryngeal carcinomas.
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Conclusion & Impact:The overall and disease-free survival analysis did not reveal significance for tumor-stroma proportion (p=0.08, p=0.38).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: Tumor-stroma proportion of tumor has been presented as a prognostic factor in some types of adenocarcinomas, but there is no information about squamous cell carcinomas and laryngeal carcinomas. Material and Method: Five digital images of the tumor sections were obtained from 85 laryngeal carcinomas. Proportion of epithelial tumor component and stroma were measured by a software tool, allowing the pathologists to mark 205.6 μm2 blocks on areas as carcinomatous/stromal, by clicking at the image. Totally, 3.451 mm2 tumor areas have been marked to 16.785 small square blocks for each case. Results: Median follow up was 48 months (range 3-194). The mean tumor-stroma proportion was 48.63+18.18. There was no difference for tumor-stroma proportion when tumor location, grade, stage and perinodal invasion were considered. Although the following results were statistically insignificant, the mean tumor-stroma proportion was the lowest (37.46±12.49) for subglottic carcinomas, and it was 52.41±37.47, 50.86+19.84 and 44.56±16.91 for supraglottic, transglottic and glottic cases. The tumor-stroma proportion was lowest in cases with perinodal invasion and the highest in cases without lymph node metastasis (44.72±20.23, 47.77±17.37, 50.05±17.34). Tumor-stroma proportion was higher in the basaloid subtype compared with the classical squamous cell carcinoma (53.76±14.70 and 48.63±18.38 respectively). The overall and disease-free survival analysis did not reveal significance for tumor-stroma proportion (p=0.08, p=0.38). Only pathological stage was an independent factor for overall survival (p=0.008). Conclusion: This is the first series investigating tumor-stroma proportion as a prognostic marker in laryngeal carcinomas proposing a new method, but the findings do not support tumor-stroma proportion as a prognostic marker.

Özet

Amaç: Tümör-stroma oranı bazı adenokarsinom tiplerinde kötü prognostik faktör olarak tanımlanmış olmakla birlikte skuamöz hücreli karsinomlarda ve özellikle de laringeal karsinomlarda tümör-stroma oranı ile ilgili araştırma bulunmamaktadır. Gereç ve Yöntem: Seksen beş larenjektomi materyalinin tümörü örnekleyen kesitlerinden 5 dijital görüntü kaydedildi. Tümör-stroma oranı bu görüntülerde bilgisayar programının 205,6 μm2 büyüklüğünde küçük kareler oluşturması ve patoloğun bilgisayar faresinde sol/sağ tıklama ile her bir alanı tümör ya da stroma olarak seçmesini sağlayan bir bilgisayar yazılım programı ile hesaplandı. Toplamda her olguda 16.785 tık ile 3.451 mm2 tümör alanı işaretlendi. Bulgular: Ortalama izlem 48 ay (3-194) ve ortalama tümör-stroma oranı 48,63±18,18 bulundu. Tümör yerleşimi, histolojik derecesi, evresi ve perinodal yayılım ile tümör-stroma oranları arasında anlamlı farklılık saptanmadı. İstatistiksel anlamlı sonuç elde edilmemiş olmakla birlikte ortalama tümör-stroma oranının en düşük izlendiği olgular subglottik yerleşimli olup ortalama oran 37,46±12,49 idi. Ortalama tümör-stroma oranı supraglottik olgularda 52,41±37,47, transglottik yerleşimde 50,86±19,84 ve glottik yerleşimde 44,56±16,91 olarak saptandı. Tümör-stroma oranı perinodal invazyon gösteren olgularda (44,72±20,23) düşük iken, perinodal invazyon bulunmayan (47,77±17,37) ve lenf nodu metastazı olmayanlarda 50,05±17,34 daha yüksek bulundu. Bazaloid skamoz hücreli karsinomlarda tümör-stroma oranı (53,76±14,70), klasik skuamöz hücreli karsinomdan (48,63±18,38) daha yüksek saptandı. Hastalıksız sağ kalım ve toplam sağ kalım ile tümör-stroma oranı arasında ilişki bulunmadı (p=0,08, p=0,38). Sadece patolojik evrenin prognostik bağımsız faktör olduğu saptandı (p=0,008). Sonuç: Bu çalışma yeni bir yöntem eşliğinde, laringeal karsinomlarda tümör-stroma oranının prognostik değerini araştıran ilk çalışmadır. Ancak bulgular tümör-stroma oranını prognostik bir belirleyici olarak desteklememektedir.

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Cite This Article

ÇETİNAYAK, H. O., İKİZ, A. Ö., ÜNLÜ, M., ADA, E., KARAÇALI, B., ÖNDER, D., SARIOĞLU, S., AKMAN, F., ECEVİT, C. (2022). Laringeal skuamöz hücreli karsinomlarda tümör-stroma oranının prognostik değeri. Türk Patoloji Dergisi, Cilt: 29 - Sayı: 1, 27–35. https://ajindex.com/articles/640683

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