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1.  CT-guided biopsy of lung lesions: defining the best needle option for a specific diagnosis 
Clinics  2014;69(5):335-340.
OBJECTIVES:
To evaluate the performance of fine and cutting needles in computed tomography guided-biopsy of lung lesions suspicious for malignancy and to determine which technique is the best option for a specific diagnosis.
METHODS:
This retrospective study reviewed the data from 362 (71.6%) patients who underwent fine-needle aspiration biopsy and from 97 (19.7%) patients who underwent cutting-needle biopsy between January 2006 and December 2011. The data concerning demographic and lesion characteristics, procedures, biopsy sample adequacy, specific diagnoses, and complications were collected. The success and complication rates of both biopsy techniques were calculated.
RESULTS:
Cutting-needle biopsy yielded significantly higher percentages of adequate biopsy samples and specific diagnoses than did fine-needle aspiration biopsy (p<0.05). The sensitivity, specificity, and accuracy of cutting-needle biopsy were 93.8%, 97.3%, and 95.2%, respectively; those of fine-needle aspiration biopsy were 82.6%, 81.3%, and 81.8%, respectively (all p<0.05). The incidence of pneumothorax was higher for fine-needle aspiration biopsy, and that of hematoma was higher for cutting-needle biopsy (both p<0.05).
CONCLUSIONS:
Our experience using these two techniques for computed tomography-guided percutaneous biopsy showed that cutting-needle biopsy yielded better results than did fine-needle aspiration biopsy and that there was no significant increase in complication rates to indicate the best option for specific diagnoses.
doi:10.6061/clinics/2014(05)07
PMCID: PMC4012240  PMID: 24838899
Computed Tomography-Guided Biopsy; Lung Lesion; Neoplasm; Diagnosis; Malignancy; Tomography
5.  HAIRY POLYP on the dorsum of the tongue – detection and comprehension of its possible dinamics 
Head & Face Medicine  2012;8:19.
Background
The formation of a Hairy Polyp on the dorsum of the tongue is a rare condition that may hinder vital functions such as swallowing and breathing due to mechanical obstruction. The authors present the situation on a child with an approach of significant academic value.
Methods
Imaging diagnostics with the application of a topical oral radiocontrastant was used to determine the extent of the tumor. Performed treatment was complete excision and diagnostics was confirmed with anatomopathological analysis.
Results
The patient was controlled for five months and, showing no signs of relapse, was considered free from the lesion.
Conclusion
Accurate diagnostics of such a lesion must be performed in depth so that proper surgical treatment may be performed. The imaging method proposed has permitted the visualization of the tumoral insertion and volume, as well as the comprehension of its threatening dynamics.
doi:10.1186/1746-160X-8-19
PMCID: PMC3391985  PMID: 22704143
Hairy Polyp; Computed Tomography; Benign Tumor

Results 1-9 (9)