Journals / Molecular Imaging and Radionuclide Therapy / 2016 / Cilt: 25 - Sayı: 3

Akciğer Kanserli Hastalarda Pozitron Emisyon Tomografisi Parametreleri ile Serum Anti-p53 Antikoru Arasındaki İlişkinin Diagnostik Değeri

The Diagnostic Value of the Correlation between Serum Anti-p53 Antibody and Positron Emission Tomography Parameters in Lung Cancer

Pages
107–113
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

These results indicate that this Ab cannot be used as a predictor of malignancy in a lung lesion

📌 3 Key Takeaways

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Objective & Hypothesis:Mutations in the p53 gene are the most commonly observed genetic abnormalities in malignancies.
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Key Findings & Data:The purpose of this study was to assess the diagnostic value of serum anti-p53 antibody (Ab) along with the correlation between serum anti-p53 Ab level and quantitative positron emission tomography (PET) parameters such as maximum standardized uptake value (SUVmax), SUVave, metabolic tumor volume, total lesion glycolysis (TLG) and tumor size.
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Conclusion & Impact:These results indicate that this Ab cannot be used as a predictor of malignancy in a lung lesion
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Mutations in the p53 gene are the most commonly observed genetic abnormalities in malignancies. The purpose of this study was to assess the diagnostic value of serum anti-p53 antibody (Ab) along with the correlation between serum anti-p53 Ab level and quantitative positron emission tomography (PET) parameters such as maximum standardized uptake value (SUVmax), SUVave, metabolic tumor volume, total lesion glycolysis (TLG) and tumor size. Methods: Serum anti-p53 Ab level was studied in three groups. Patients who underwent 18F-fluorodeoxyglucose (FDG) PET/computed tomography (CT) imaging for staging of previously diagnosed lung cancer constituted the first group, while patients who underwent 18F-FDG PET/CT imaging for evaluation of suspicious pulmonary nodules detected on thorax CT and did not show pathologic FDG accumulation (NAPN=pulmonary nodule with non avid-FDG) were enrolled in the second group. The third group consisted of healthy volunteers.Results: Twenty-eight patients with lung cancer (median age: 62.5, range: 39-77years), 28 patients with NAPN (median age: 65, range: 33-79 years), and 24 healthy volunteers (median age: 62, range: 44-74 years) were enrolled in the study. The serum anti-p53 Ab level was low in healthy volunteers while it was higher in both lung cancer patients and NAPN patients (p<0.05). When serum anti-p53 Ab level and PET parameters were evaluated, there was no significant correlation between serum anti-p53 Ab level and SUVmax, SUVave, TLG, tumor volume and tumor size of patients with lung cancer (p>0.05). Besides, there was no significant difference between serum anti-p53 Ab level and lesion size of NAPN patients (p>0.05). Conclusion: It was determined that serum anti-p53 Ab levels are not significantly correlated with PET parameters, and that serum anti-p53 Ab levels increase in any benign or malignant lung parenchyma pathology as compared to healthy volunteers. These results indicate that this Ab cannot be used as a predictor of malignancy in a lung lesion

Özet

p53 gen mutasyonları malignitelerde en sık görülen genetik bozukluktur. Bu çalışmada serum anti-p53 antikor (Ab) düzeyinin tanısal değerinin araştırılması, serum anti-p53 Ab düzeyi ile SUVmax, SUVave, metabolik tümör volümü, total lezyon glikolizi (TLG) ve tümör boyutu gibi kantitatif pozitron emisyon tomografisi (PET) parametreleri arasındaki ilişkinin değerlendirilmesi amaçlanmıştır. Yöntem: Serum anti-p53 Ab düzeyi üç grupta çalışıldı. Birinci grupta akciğer kanseri nedeniyle evreleme için 18F-florodeoksiglukoz (FDG) PET/bilgisayarlı tomografi (BT) görüntülemesi yapılan hastalar, ikinci grupta ise toraks BT'de şüpheli pulmoner nodül saptanması nedeniyle tanı amacıyla 18F-FDG PET/BT yapılan ancak patolojik FDG tutulumu izlenmeyen hastalar (NAPN=FDG tutmayan pulmoner nodül) vardı. Üçüncü grubu sağlıklı gönüllüler oluşturdu.Bulgular: Bu çalışmaya akciğer kanseri olan 28 hasta (ortalama yaş: 62,5, aralık: 39-77 yıl), NAPN olan 28 hasta (ortalama yaş: 65, aralık: 33-79 yıl), ve 24 sağlıklı gönüllü (ortalama yaş: 62, aralık: 44-74 yıl) dahil edildi. Serum anti-p53 Ab düzeyi sağlıklı gönüllülerde düşük iken, akciğer kanserli hastalarda ve NAPN hastalarında yüksekti (p 0,05). Ayrıca serum anti-p53 Ab düzeyi ile NAPN hastalarındaki lezyon boyutu arasında anlamlı farklılık yoktu (p>0,05). Sonuç: Serum anti-p53 Ab düzeyi ile PET parametreleri arasında anlamlı korelasyon olmadığı ve serum anti-p53 Ab düzeyinin akciğerde benign veya malign herhangi bir parankim patolojisinde yükseldiği bulundu. Bu sonuçlar serum anti-p53 Ab'nin malign akciğer lezyonları için bir belirteç olamayacağını düşündürmektedir

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Cite This Article

HASBEK, Z., DOĞAN, Ö. T., SARI, İ., YÜCEL, B., ŞEKER, M. M., TURGUT, B., BERK, S., SİLİĞ, Y. (2016). Akciğer Kanserli Hastalarda Pozitron Emisyon Tomografisi Parametreleri ile Serum Anti-p53 Antikoru Arasındaki İlişkinin Diagnostik Değeri. Molecular Imaging and Radionuclide Therapy, Cilt: 25 - Sayı: 3, 107–113. https://ajindex.com/articles/295138

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