The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization
Yıl: 2022 Cilt: 37 Sayı: 1 Sayfa Aralığı: 13 - 20 Metin Dili: İngilizce DOI: 10.4274/MMJ.galenos.2022.28928 İndeks Tarihi: 23-06-2022
The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization
Öz: Objective: In recent years, the fusion of computed tomography (CT) and
non-echo-planar diffusion-weighted magnetic resonance imaging (non-
EPI DWI) has been preferred in cholesteatoma localizations. This study
aimed to investigate the role of CT and non-EPI DWI fusion imaging in
cholesteatoma localizations.
Methods: This retrospective study included 39 patients who underwent
chronic otitis media operation [mean age of 35.10±15.33 years (18-67 years),
64.1% female, and 35.9% male] and had preoperative high-resolution
temporal bone CT and non-EPI DWI examinations. Images were sent
to the Advantage Workstation VolumeShare 7 for fusion. These selected
images were fused on the workstation and were manually corrected by
the radiologist. The sensitivity, specificity, positive and negative predictive
values, and diagnostic accuracies of fused images of CT and non-EPI DWI
were evaluated according to anatomic cholesteatoma localizations based
on surgical data.
Results: The sensitivity, specificity, positive and negative predictive values,
and diagnostic accuracies of non-EPI DWI for detecting cholesteatomas
were 97.14%, 75.00%, 97.14%, 75.00%, and 94.87%, respectively. Three
true-negative, one false-positive, and one false-negative case were
observed according to surgical results in detecting the presence of a
cholesteatoma with non-EPI DWI. Moderate agreement was determined
between the surgical and radiological results in detecting the presence
of a cholesteatoma (k=0.721). Detecting the lesion of localization on the
fused images compared to surgical found an almost perfect agreement in
the mastoid antrum (k=0.948), strong agreement in the hypotympanum
and mastoid cells (k=0.894), moderate agreement in the epitympanum
(k=0.653), and weak agreement in those in the mesotympanum (k=0.540).
Conclusions: The surgeons’ determinations are supported by the
guidance of temporal CT and non-EPI DWI fused images. Therefore,
preferring the fusion imaging technique could increase the quality of life
by reducing unnecessary operations.
Anahtar Kelime: Kolesteatomun Cerrahi Lokalizasyonunun Değerlendirilmesinde Bilgisayarlı Tomografi ve Difüzyon Ağırlıklı Non-eko-planar Görüntülemenin Füzyon Tekniğinin Rolü
Öz: Amaç: Kolesteatom lokalizasyonunda bilgisayarlı tomografi (BT) ile
difüzyon ağırlıklı non-eko-planar manyetik rezonans görüntüleme
(nEDAG) füzyonu son yıllarda tercih edilmektedir. Bu çalışma,
kolesteatom lokalizasyonunda BT ve nEDAG ile füzyon görüntülemenin
rolünü araştırmayı amaçlamaktadır.
Yöntemler: Bu retrospektif çalışmaya, ameliyat öncesi yüksek
çözünürlüklü temporal kemik BT ve nEDAG tetkikleri olan 39 kronik
otitis media hastası [ortalama yaş 35,10±15,33 yıl (18-67 yıl), %64,1
kadın, %35,9 erkek] dahil edildi. Görüntüler, füzyon için Advantage
Workstation VolumeShare 7’ye gönderildi. Seçilen bu görüntüler iş
istasyonunda aynı düzlemlerde birleştirildi ve radyolog tarafından
manuel olarak düzeltildi. BT ve nEDAG birleştirilmiş görüntülerle
kolesteatom varlığı ve anatomik lokalizasyonlarının duyarlılık,
özgüllük, pozitif ve negatif prediktif değerleri ve tanısal doğrulukları,
cerrahi verilere dayalı olarak değerlendirildi.
Bulgular: Kolesteatomları saptamada nEDAG’nin duyarlılığı, özgüllüğü,
pozitif ve negatif prediktif değerleri ve tanısal doğrulukları sırasıyla
%97,14, %75,00, %97,14, %75,00 ve %94,87 idi. nEDAG ile kolesteatom
varlığının saptanmasında cerrahi sonuçlara göre üç gerçek negatif, bir
yanlış pozitif ve bir yanlış negatif olgu gözlendi. Kolesteatom varlığının
saptanmasında cerrahi ve radyolojik sonuçlar arasında önemli
bir uyum vardı (k=0,721). Birleştirilmiş görüntülerde, lezyonların
lokalizasyonu cerrahi sonuçlarla karşılaştırıldığında, mastoid antrumda
mükemmel (k=0,948), mastoid hücrelerde ve hipotimpanumda güçlü
(k=0,894), epitimpanumda orta (k=0,653) düzeyde bir uyum varken,
mezotimpanumdakilerde zayıf düzeyde uyum vardı (k=0,540).
Sonuçlar: Cerrahların saptamaları, temporal BT ve nEDAG’nin
birleştirilmiş görüntülerinin rehberliğinde desteklenmektedir. Bu
nedenle füzyon görüntüleme tekniğinin tercih edilmesi, gereksiz
operasyonları azaltarak yaşam kalitesini artırabilir.
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | BALIK A, SENELDIR L, Verim A, Zer Toros S (2022). The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. , 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| Chicago | BALIK AYŞE ÖZLEM,SENELDIR LUTFU,Verim Ayşegül,Zer Toros Sema The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. (2022): 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| MLA | BALIK AYŞE ÖZLEM,SENELDIR LUTFU,Verim Ayşegül,Zer Toros Sema The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. , 2022, ss.13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| AMA | BALIK A,SENELDIR L,Verim A,Zer Toros S The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. . 2022; 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| Vancouver | BALIK A,SENELDIR L,Verim A,Zer Toros S The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. . 2022; 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| IEEE | BALIK A,SENELDIR L,Verim A,Zer Toros S "The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization." , ss.13 - 20, 2022. 10.4274/MMJ.galenos.2022.28928 |
| ISNAD | BALIK, AYŞE ÖZLEM vd. "The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization". (2022), 13-20. https://doi.org/10.4274/MMJ.galenos.2022.28928 |
| APA | BALIK A, SENELDIR L, Verim A, Zer Toros S (2022). The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. Medeniyet Medical Journal, 37(1), 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| Chicago | BALIK AYŞE ÖZLEM,SENELDIR LUTFU,Verim Ayşegül,Zer Toros Sema The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. Medeniyet Medical Journal 37, no.1 (2022): 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| MLA | BALIK AYŞE ÖZLEM,SENELDIR LUTFU,Verim Ayşegül,Zer Toros Sema The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. Medeniyet Medical Journal, vol.37, no.1, 2022, ss.13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| AMA | BALIK A,SENELDIR L,Verim A,Zer Toros S The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. Medeniyet Medical Journal. 2022; 37(1): 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| Vancouver | BALIK A,SENELDIR L,Verim A,Zer Toros S The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization. Medeniyet Medical Journal. 2022; 37(1): 13 - 20. 10.4274/MMJ.galenos.2022.28928 |
| IEEE | BALIK A,SENELDIR L,Verim A,Zer Toros S "The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization." Medeniyet Medical Journal, 37, ss.13 - 20, 2022. 10.4274/MMJ.galenos.2022.28928 |
| ISNAD | BALIK, AYŞE ÖZLEM vd. "The Role of Fusion Technique of Computed Tomography and Non-echo-planar Diffusion-weighted Imaging in the Evaluation of Surgical Cholesteatoma Localization". Medeniyet Medical Journal 37/1 (2022), 13-20. https://doi.org/10.4274/MMJ.galenos.2022.28928 |
