Journals / Turkish Journal of Gastroenterology / 2011 / Cilt: 22 - Sayı: 5

Mediastinal kitle ve lenfadenopatili hastalarda EUS eşliğinde 19- ve 22gauge aspirasyon iğne biyopsilerinin karşılaştırılması

Comparison of 19- and 22-gauge needles in EUS-guided fine needle aspiration in patients with mediastinal masses and lymph nodes

Pages
472–478
DOI
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Conclusions: As concerns endoscopic ultrasound-guided fine needle aspiration of mediastinal masses and lymph nodes, the diagnostic sensitivity of aspirated material obtained using 19- and 22-gauge fine needle aspiration needles was found to be comparable in our study.

📌 3 Key Takeaways

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Objective & Hypothesis:Background/aims: Endoscopic ultrasound-guided fine needle aspiration is an established tissue-acquisition technique for mediastinal lesions.
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Key Findings & Data:Most studies have used 22-gauge aspiration and/or 19-gauge Tru-cut needles, and only limited data exist on larger-caliber aspiration needles.
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Conclusion & Impact:Conclusions: As concerns endoscopic ultrasound-guided fine needle aspiration of mediastinal masses and lymph nodes, the diagnostic sensitivity of aspirated material obtained using 19- and 22-gauge fine needle aspiration needles was found to be comparable in our study.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background/aims: Endoscopic ultrasound-guided fine needle aspiration is an established tissue-acquisition technique for mediastinal lesions. However, there are limitations to endoscopic ultrasound-guided fine needle aspiration of mediastinal masses in certain neoplasms and granulomatous diseases. Most studies have used 22-gauge aspiration and/or 19-gauge Tru-cut needles, and only limited data exist on larger-caliber aspiration needles. We aimed to compare prospectively the diagnostic yield of endoscopic ultrasound-guided fine needle aspiration using 19- and 22-gauge aspiration needles in patients with mediastinal lesions of unknown origin. Material and Methods: Using a consecutive entry design, 57 patients with mediastinal mass or lymph node, in whom previous investigations, including bronchoscopy and computed tomography-guided biopsy, had not provided a final diagnosis, underwent endoscopic ultrasound-guided fine needle aspiration biopsy using 19-gauge or 22-gauge aspiration needle. Determination of the adequacy and cytopathologic interpretation of fine needle aspiration materials were done by two pathologists blinded to the clinical condition of the patient. Fine needle aspiration specimens were placed in four categories as: (1) nondiagnostic, (2) benign, (3) granulomatous disease, and (4) malignant. Results: Among 57 patients [35 (61.4%) with mediastinal lymph nodes and 22 (38.5%) with pulmonary masses], adequate tissue was obtained in 52 (91.2%) of the cases (with a mean of 3.3 needle passes). Correct cytopathologic diagnoses were made based on the endoscopic ultrasound-guided fine needle aspiration specimens obtained by 19- and 22-gauge needles in 96% and 92% of the samples, respectively (p>0.05). Conclusions: As concerns endoscopic ultrasound-guided fine needle aspiration of mediastinal masses and lymph nodes, the diagnostic sensitivity of aspirated material obtained using 19- and 22-gauge fine needle aspiration needles was found to be comparable in our study.

Özet

Amaç: Endoskopik ultrasonografi eşliğinde ince iğne biyopsi tekniği ile mediastinal lezyonlardan biyopsi alınabilir. Ancak mediasteni tutan bazı malign ve granülomatöz hastalıklarda, endoskopik ultrasonografi eşliğinde ince iğne biyopsi sonuçları yetersiz olabilir. Çoğu çalışmada, 22-gauge aspirasyon ve/veya 19-gauge Tru-cut biyopsi iğnesi kullanılmıştır, geniş kalibreli aspirasyon iğnelerin sonuçlarıyla ilgili çok az bilgi vardır. Bu çalışmada etyolojisi belirsiz mediastinal lezyonu olan hastalarda 19-gauge ve 22-gauge aspirasyon iğneleriyle yapılan endoskopik ultrasonografi eşliğinde ince iğne biyopsi sonuçlarının prospektif olarak karşılaştırılması amaçlanmıştır. Yöntem: Bronkoskopi ve bilgisayarlı tomografi eşliğinde biyopsi ve diğer yöntemlerle tanısı konulamayan 57 mediastinal kitle ve/veya lenfadenopatili hastaya endoskopik ultrasonografi eşliğinde ince iğne biyopsi uygulandı. İnce iğne biyopsi, ardışık olarak 19-gauge veya 22-gauge aspirasyon biyopsi iğneleriyle gerçekleştirildi. İnce iğne biyopsi materyellerinin yeterliliği ve sitopatolojik incelemeleri, hastalar hakkında klinik bilgisi olmayan 2 patolog tarafından yapıldı. Materyeller (1) nondiagnostik, (2) benign hastalık, (3) granülomatöz hastalık ve (4) malign hastalık olarak 4 kategoride değerlendirildi. Bulgular: Çalışmaya alınan 35 mediastinal lenfadenopati (%61.4), ve mediastinumu invaze eden akciğer kitlesi olan 22 (%38.5) hastada ortalama 3.3 kez endoskopik ultrasonografi eşliğinde ince iğne biyopsi yapıldı ve 19-gauge iğne ile %93, 22-gauge ile %89 hastada yeterli doku örneği alındı. Yeterli doku örneği alınan hastalarda doğru sitopatolojik tanı yüzdesi 19-gauge grubunda %96, 22-gauge grubunda %92 bulundu (p>0.05). Sonuç: Mediastinal lenfadenopati ve kitle lezyonlarının endoskopik ultrasonografi eşliğindeki aspirasyon biyopsilerinde, alınan dokunun yeterliliği ve tanısal duyarlılık açısından 19- ve 22-gauge endoskopik ultrasonografi aspirasyon iğneleri arasında anlamlı fark yoktur.

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Cite This Article

SONGÜR, N., SONGÜR, Y., BİRCAN, S., KAPUCUOĞLU, N. (2011). Mediastinal kitle ve lenfadenopatili hastalarda EUS eşliğinde 19- ve 22gauge aspirasyon iğne biyopsilerinin karşılaştırılması. Turkish Journal of Gastroenterology, Cilt: 22 - Sayı: 5, 472–478. https://ajindex.com/articles/411132

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