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Miniprobe EUS in the pretherapeutic assessment of early esophageal neoplasia

Chemaly, M. ; Scalone, O. ; Durivage, G. ; Napoleon, B. ; Pujol, B. ; Lefort, C. ; Hervieux, V. ; Scoazec, J. Y. ; Souquet, J. C. ; Ponchon, T.

Endoscopy, 2008-01, Vol.40 (1), p.2-6 [Periódico revisado por pares]

Stuttgart: Thieme

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Título:
Miniprobe EUS in the pretherapeutic assessment of early esophageal neoplasia
Autor: Chemaly, M. ; Scalone, O. ; Durivage, G. ; Napoleon, B. ; Pujol, B. ; Lefort, C. ; Hervieux, V. ; Scoazec, J. Y. ; Souquet, J. C. ; Ponchon, T.
Assuntos: Adenocarcinoma - diagnostic imaging ; Adenocarcinoma - pathology ; Adenocarcinoma - surgery ; Aged ; Aged, 80 and over ; Barrett Esophagus - diagnostic imaging ; Barrett Esophagus - pathology ; Barrett Esophagus - surgery ; Biological and medical sciences ; Carcinoma, Squamous Cell - diagnostic imaging ; Carcinoma, Squamous Cell - pathology ; Carcinoma, Squamous Cell - surgery ; Chi-Square Distribution ; Digestive system. Abdomen ; Endoscopy ; Endosonography - instrumentation ; Endosonography - methods ; Esophageal Neoplasms - diagnostic imaging ; Esophageal Neoplasms - pathology ; Esophageal Neoplasms - surgery ; Female ; Follow-Up Studies ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Male ; Medical sciences ; Middle Aged ; Neoplasm Invasiveness - pathology ; Neoplasm Staging ; Original article ; Probability ; Retrospective Studies ; Risk Assessment ; Sensitivity and Specificity
É parte de: Endoscopy, 2008-01, Vol.40 (1), p.2-6
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: The high-frequency endosonography miniprobe has been advocated prior to endoscopic treatment of superficial esophageal neoplasm. We conducted a retrospective study, which summarized our clinical experience with various miniprobe techniques in the assessment of early squamous cell carcinoma (SCC) and superficial adenocarcinoma on Barrett's mucosa (SAB). A total of 106 superficial and naive esophageal lesions were included in this series (52 SAB, 54 SCC). The results of the miniprobe staging were compared with pathology in order to determine the accuracy of this technique in differentiating mucosal from submucosal infiltration. Secondary aims were a comparison between the frequencies (20- vs. 30-MHz) and coupling methods (water-filled lumen vs. balloon-sheathed catheter) used. Overall accuracy, sensitivity, and specificity to differentiate T1sm from T1 m tumors were 73.5 %, 62 %, and 76.5 %, respectively. Overdiagnosis occurred in 18.6 % of the lesions. No statistically significant difference was found in the accuracy of the miniprobe staging between the two lesion types (SCC and SAB) ( P = 0.65), and results were significantly poorer in the distal part of the esophagus ( P = 0.00039). No significant difference was found between the two frequencies ( P = 0.51). Water-filled lumen proved to be superior to the balloon-sheathed catheter ( P = 0.015). High-frequency miniprobe examination has a limited accuracy in the detection of submucosal invasion in early esophageal cancer. Further improvements in acoustic coupling and ultrasound technique are required to improve the miniprobe accuracy before its implementation into clinical routine.
Editor: Stuttgart: Thieme
Idioma: Inglês

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Miniprobe EUS in the pretherapeutic assessment of early esophageal neoplasia

Chemaly, M. ; Scalone, O. ; Durivage, G. ; Napoleon, B. ; Pujol, B. ; Lefort, C. ; Hervieux, V. ; Scoazec, J. Y. ; Souquet, J. C. ; Ponchon, T.

Stuttgart: Thieme

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