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Transbronchial needle aspiration.

D Davis·N Scarpa
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Abstract

Transbronchial needle aspiration biopsy is an endoscopic pulmonary procedure used to diagnose a variety of pulmonary conditions including staging patients with lung cancer and identifying nodules, masses, and benign disorders such as sarcoidosis. Transbronchial needle aspiration biopsy is a safe procedure, performed primarily with local anesthesia combined with intravenous sedation. With the anticipation of this procedure being widely used, more endoscopy nurses will be exposed to this technique. This article is intended to educate nurses and technicians about the procedure of transbronchial needle aspiration and its instruments.

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Biopsy, NeedleBronchiEndoscopesEndoscopyHumansLung DiseasesJournal Article

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BibTeXRIS

D Davis, N Scarpa. 1991. Transbronchial needle aspiration.. https://doi.org/10.1097/00001610-199110000-00004

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PubMed2007

Targeting difficult accessible breast lesions: MRI-guided needle localization using a freehand technique in a 3.0 T closed bore magnet.

PURPOSE: To report the accuracy of magnetic resonance imaging (MRI)-guided needle localization for diagnosis of MRI detected suspicious breast lesions located in difficult accessible regions of the breast, using the freehand method in a 3.0 T closed bore magnet. MATERIALS AND METHODS: In five patients with five MRI-only breast lesions underwent MRI-guided needle localization for histopathologic evaluation of the lesions. All interventional procedures were performed in a 3.0 T MRI system with the patient in prone position and by using a dedicated phased array breast coil. MRI-guided needle localizations were performed by using a freehand technique. In our study, the high-resolution scan allowed preprocedural localization of all lesions without use of contrast enhancement. In all cases contrast-enhanced MRI was performed after insertion of the wire to confirm the tip of the wire in direct contact with the enhancing lesion. RESULTS: Needle localizations were performed in five patients. Histopathologic evaluation of tissue after surgery excision biopsy revealed one lymph node, three invasive ductal carcinoma and one ductal carcinoma in situ. Lesion size varied from 6 to 30 mm. Mean duration time was 25 min. No complications occurred during the intervention method. In the patient with the benign lesion control MRI of the breast after 6 months confirmed lesion removal. CONCLUSIONS: MRI-guided needle localization by using a freehand technique in a 3.0 T closed bore magnet is a safe and accurate method for diagnosis of difficult accessible breast lesions only visible on MRI.

Biopsy, Needle↗