Journals / Uluslararası Hematoloji-Onkoloji Dergisi / 2019 / Cilt: 29 - Sayı: 4

Multipl Myelomalı Hastalarda Kemokin Reseptör-4 Ekspresyonunun Ga-68 Pentiksafor PET/BT ile Değerlendirilmesi

Evaluation of Chemokine Receptor-4 Expression by 68Ga – Pentixafor PET/CT in Patients with Multiple Myeloma

Pages
210–218
DOI
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AI Summary & Key Takeaways

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

Ga-68 Pentiksafor PET/BT multipl myelomalı hastalarda tanısal görüntüleme yöntemi olarak 18FFDG PET/BT nin yerini alamaz, Ga-68 Pentiksafor PET/BT, CXCR-4 hedefli radyoligand tedavi planlanan hastalarda hasta seçimi amacıyla faydalı olabilir.

📌 3 Key Takeaways

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Objective & Hypothesis:Bu çalışmanın amacı, multipl myelomalı hastalarda CXCR4 ekspresyonun Ga-68 PSMA Pentiksafor PET/BT ile gösterilmesi ve standart klinik parametreler ve 18F-FDG PET/BT bulguları ile karşılaştırılmasıdır.
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Key Findings & Data:Çalışmaya multipl myelom tanısı ile hastalık aktivitesinin değerlendirilmesi amacıyla 18F-FDG PET/BT yapılan yirmi dört (17 kadın, 7 erkek; ort yaş: 58.9±12.7) hasta dahil edildi.
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Conclusion & Impact:Ga-68 Pentiksafor PET/BT multipl myelomalı hastalarda tanısal görüntüleme yöntemi olarak 18FFDG PET/BT nin yerini alamaz, Ga-68 Pentiksafor PET/BT, CXCR-4 hedefli radyoligand tedavi planlanan hastalarda hasta seçimi amacıyla faydalı olabilir.
🔬Design:Research Article
📍Scope:24 hasta
⚙️Variables:Domain Parameters

Abstract

Bu çalışmanın amacı, multipl myelomalı hastalarda CXCR4 ekspresyonun Ga-68 PSMA Pentiksafor PET/BT ile gösterilmesi ve standart klinik parametreler ve 18F-FDG PET/BT bulguları ile karşılaştırılmasıdır. Çalışmaya multipl myelom tanısı ile hastalık aktivitesinin değerlendirilmesi amacıyla 18F-FDG PET/BT yapılan yirmi dört (17 kadın, 7 erkek; ort yaş: 58.9±12.7) hasta dahil edildi. Ga-68 Pentiksafor PET/BT, 18F-FDG PET/BT’yi takiben ortalama 12 günlük süre içinde uygulandı. Ga-68 Pentiksafor PET ve 18F-FDG PET/ BT, sırası ile 13/24 (%54) ve 16/24 (%67) hastada fokal patolojik lezyonları gösterdi. 19/24 hastada her iki yöntem uyumlu bulgular 12 hastada CXCR4 ve FDG+; 7 hastada CXCR4 ve FDG- gösterdi. Geri kalan 5 hastada ise bulgular uyumsuzdu. Ga-68 pentiksafor ve 18F-FDG PET ile ortaya konulan fokal lezyon sayısı sırası ile 89 (%44) and 113 (%56) idi. 2/12 (%17) hastada Ga-68 Pentiksafor PET/ BT daha fazla sayıda lezyon gösterirken, 7/12 (%58) hastada 18F-FDG PET/BT üstündü. Geri kalan 3/12 (%25) hastada ise her iki yöntem benzer sayıda lezyon gösterdi. Her iki yöntem ile saptanan apendiküler, aksiyel iskelet ve ekstramedüller lezyonların dağılımı arasındaki fark anlamlı değildi (p> 0.05). Ga-68 Pentiksafor ve 18F-FDG PET/BT pozitifliği ile hastalık aktivitesi, MM alt tipi, ISS fazı, hafif zincir hasalığı, beta2 mikroglobulin, albumin, kreatinin, LDH, FLC ve M protein düzeyleri arasında anlamlı ilişki saptanmadı. Ga-68 Pentiksafor PET/BT multipl myelomalı hastalarda tanısal görüntüleme yöntemi olarak 18FFDG PET/BT nin yerini alamaz, Ga-68 Pentiksafor PET/BT, CXCR-4 hedefli radyoligand tedavi planlanan hastalarda hasta seçimi amacıyla faydalı olabilir.

Özet

The aim of this study to demonstrate and compare the CXCR4 expression by means of 68Ga-Pentixafor PET/CT in patients with multiple myeloma with standard clinical parameters and 18F-FDG PET/CT findings. Twenty-four (17 women, 7 men; mean age: 58.9±12.7) multiple myeloma patients who had undergone 18F-FDG PET/CT imaging to evaluate the disease activity were included in the study. 68Ga-Pentixafor PET/CT imaging was performed within an average period of 12 days after initial 18F-FDG PET/CT imaging. 68Ga-Pentixafor PET and 18F-FDG PET/CT revealed focal pathological lesions in 13/24 (54%) and 16/24 (67%) patients, respectively. In 19/24 patients, both tracers showed concordant findings (CXCR4+ and FDG+ in 12 patients; CXCR4- and FDG- in 7patients). In the remaining 5 patients, findings were discordant. The number of focal lesions identified by means of 68Ga-Pentixafor and 18FFDG were 89 (44%) and 113 (56%), respectively. 68Ga-Pentixafor PET/CT showed more lesions in 2/12 (17%) patients, whereas 18F-FDG PET/CT was proved to be superior in 7/12 (58%) patients. In the remaining 3/12 (25%) patients, both tracers detected an equal number of lesions. There was no significant difference in appendicular and axial skeletal and extramedullary distribution ratios for both PET/CT examinations (p> 0.05). There was no statistically significant correlations between the 68Ga-Pentixafor PET/CT and 18F-FDG PET/CT positivity and disease activity, MM subtype, ISS phase, light chain disease, beta2microglobulin, albumin, creatinine, LDH, FLC and M protein levels in during scans. 68Ga-Pentixafor PET/CT cannot replace 18F-FDG PET/CT for diagnostic imaging of patients with multiple myeloma, 68Ga-PET/CT seem to be a valuable probe for patient stratification in the context of CXCR4-targeted radioligand therapy.

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Cite This Article

ÖZKAN, E., SOYDAL, Ç., ŞAHİN, U., BEKSAÇ, M., ÖZTÜRK, C., BOZDAĞ, S. C., TOPÇUOĞLU, P., KROPF, S., WESTER, H. J., KÜÇÜK, Ö. N. (2019). Multipl Myelomalı Hastalarda Kemokin Reseptör-4 Ekspresyonunun Ga-68 Pentiksafor PET/BT ile Değerlendirilmesi. Uluslararası Hematoloji-Onkoloji Dergisi, Cilt: 29 - Sayı: 4, 210–218. https://ajindex.com/articles/322769

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