Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713


Publication continuous and bimonthly

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Results and complications of CT-guided transthoracic fine-needle aspiration biopsy of pulmonary lesions

Biópsia aspirativa transtorácica por agulha fina guiada por TC de lesões pulmonares: resultados e complicações

Cristiano Dias de Lima, Rodolfo Acatauassu Nunes, Eduardo Haruo Saito, Cláudio Higa, Zanier José Fernando Cardona, Denise Barbosa dos Santos

J Bras Pneumol.2011;37(2):209-216

Abstract PDF PT PDF EN Portuguese Text

Objective: To analyze the cytological findings of CT-guided percutaneous fine-needle aspiration biopsies of the lung, to demonstrate the diagnostic feasibility of the method in the investigation of pulmonary lesions, and to determine the complications of the procedure, evaluating its safety. Methods: A retrospective analysis of 89 patients with various types of pulmonary lesions who underwent 97 procedures over a period of five years. The patients were divided into groups regarding the indication for the procedure: suspicion of primary lung cancer (stages IIIB or IV); suspicion of lung cancer (stages I, II, or IIIA) and clinical contraindications for surgery; suspicion of pulmonary metastasis from other organs; and pulmonary lesions with benign radiological aspect. All of the procedures were performed with 25-gauge needles and were guided by spiral CT. The final diagnosis was confirmed by surgical biopsy and clinical/oncological follow-up. For the analysis of complications, the total number of procedures was considered. Results: The main indication for the procedure was suspicion of advanced-stage primary lung cancer. The accuracy of the method for malignant lesions was 91.5%. The lesion was confirmed as cancer in 73% of the patients. The major complication was pneumothorax (27.8%), which required chest tube drainage in 12.4% of the procedures. Conclusions: The principal indication for CT-guided fine-needle biopsy was suspicion of primary lung cancer in patients who were not surgical candidates. The procedure has high diagnostic feasibility for malignant pulmonary diseases. The most prevalent complication was pneumothorax. However, in most cases, chest tube drainage was unnecessary. No deaths were related to the procedure.


Keywords: Biopsy, fine-needle; Tomography, spiral computed; Lung neoplasms; Pneumothorax.


Extended thymectomy through video assisted thoracic surgery and cervicotomy in the treatment of myasthenia

Timectomia estendida por cirurgia torácica videoassistida e cervicotomia no tratamento da miastenia

Eduardo Haruo Saito, Cláudio Higa, Rodolfo Acatauassu Nunes, Gérson C. Magalhães, Luiz Carlos Aguiar Vaz, Vicente Faria Cervante

J Bras Pneumol.2003;29(5):273-279

Abstract PDF PT

Background: The relationship between myasthenia and the thymus is evident and the current treatment of this condition includes thymectomy. However, a revision of our experience with thymectomy has revealed the necessity of a more radical technique. Objective: To analyze, retrospectively, myasthenia gravis patients who underwent videothoracoscopic radical thymectomy, emphasizing the advantages and drawbacks of the methodology, pathological findings and results related to disease control. Material and methods: Twenty-one myasthenic patients (18 females and 3 males, aged 17 to 51 years), underwent videothoracoscopic bilateral thymectomy associated to transverse cervicotomy for removal of the thymus gland and surrounding tissues, and right and left pericardiac fat tissues. Those tissues were separately sent to pathology analysis. The mean time of follow-up was 39.2 months. Results: There were no intra-operative deaths. Two patients (9.5%) suffered vascular injury, and one patient (4.8%) presented a low level permanent dysphonia. Nineteen patients (90.4%) are doing well, with none or low dose medications. Pathology studies showed 10 hyperplastic thymuses, 6 with involution and 5 with normal aspect. Ectopic thymic tissue was found in six patients (28.6%). Conclusion: Videothoracoscopic radical thymectomy offered a good control of myasthenia gravis. Additionally, ectopic thymus tissue was removed from some patients.


Keywords: Thorax. Surgery, video-assisted. Myastenia gravis. Thymectomy.




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