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Year : 2018  |  Volume : 15  |  Issue : 3  |  Page : 205-209

Transthoracic fine-needle aspiration versus tru-cut biopsy under computed tomography-scan guide in diagnosis of peripheral lung lesions

Department of Medicine, Al-Zahraa Teaching Hospital, Wasit, Iraq

Correspondence Address:
Maitham Fuad Abdal-Hussain
Department of Medicine, Al-Zahraa Teaching Hospital, Wasit
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/MJBL.MJBL_46_18

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Background: Lung cancer is the number one cause of cancer-related death in the Western world. Intrapulmonary nodules are presenting either solitary or multiples. Primary bronchogenic carcinoma is the most common malignant tumor that presents as a solitary pulmonary nodule. Fine-needle aspiration (FNA) and Tru-cut biopsy are parts from several interventional procedures that need to reach to the final diagnosis. Aim: This study aims to assess the comparison between transthoracic FNA results and Tru-cut biopsy results in the diagnosis of peripheral pulmonary lesions and the possibility of depending on one of them in the diagnosis of these lesions. Materials and Methods: FNA and true cut biopsy under computed tomography scan guided were performed to patients had peripheral pulmonary lesion and sent to the cytological and histopathological laboratory for analysis. Results: All patients (20) that had pulmonary lesion were evaluated. Results of FNA were; 15/20 of them were adequate samples for diagnosis while 5/20 were inadequate. Results of Tru-cut biopsies were – 17/20 were adequate for histopathological assessment while 3/20 were inadequate. Thirteen out of 20 patients had malignancy, five patients diagnosed by both Tru-cut biopsy and FNA, other five diagnosed by Tru-cut biopsy only and three patients diagnosed by FNA only. One patient had benign lesion and diagnosed by both procedures. Six out of 20 patients had other results that diagnosed by both procedures. Squamous cells carcinoma was 5/13 patients (38.46%) and adenocarcinoma was the same percentage. The concordance of FNA results with Tru-cut biopsy results was 60%. Conclusion: The study demonstrated that Tru-cut biopsy is moderately superior to FNA in the evaluation of peripheral malignant lung lesions. Therefore, we advise not using the FNA alone in the evaluation of peripheral chest lesions that suspected of malignancy (except if large bullae or severe emphysema present) and Tru-cut biopsy is often required together to reach the diagnosis.

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