Int J Comput Assist Radiol Surg - Percutaneous lung biopsy: comparison between an augmented reality CT navigation system and standard CT-guided technique.

Tópicos

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Resumo

RPOSE: Percutaneous lung biopsies (PLBs) performed for the evaluation of pulmonary masses require image guidance to avoid critical structures. A new CT navigation system (SIRIO, "Sistema robotizzato assistito per il puntamento intraoperatorio") for PLBs was validated.METHODS: The local Institutional Review Board approved this retrospective study. Image-guided PLBs in 197 patients were performed with a CT navigation system (SIRIO). The procedures were reviewed based on the number of CT scans, patients' radiation exposure and procedural time recorded. Comparison was performed with a group of 72 patients undergoing standard CT-guided PLBs. Sensitivity, specificity and overall diagnostic accuracy were assessed in both groups.RESULTS: SIRIO-guided PLBs showed a significant reduction in procedure time, number of required CT scans and the radiation dose administered to patients ([Formula: see text]). In terms of diagnostic accuracy, SIRIO proved to be more accurate for small-sized lesions ([Formula: see text]20?mm) than standard CT-guidance.CONCLUSION: SIRIO proved to be a reliable and effective tool when performing CT-guided PLBs and was especially useful for sampling small ([Formula: see text]20?mm) lesions.

Resumo Limpo

rpose percutan lung biopsi plbs perform evalu pulmonari mass requir imag guidanc avoid critic structur new ct navig system sirio sistema robotizzato assistito per il puntamento intraoperatorio plbs validatedmethod local institut review board approv retrospect studi imageguid plbs patient perform ct navig system sirio procedur review base number ct scan patient radiat exposur procedur time record comparison perform group patient undergo standard ctguid plbs sensit specif overal diagnost accuraci assess groupsresult sirioguid plbs show signific reduct procedur time number requir ct scan radiat dose administ patient formula see text term diagnost accuraci sirio prove accur smallsiz lesion formula see textmm standard ctguidanceconclus sirio prove reliabl effect tool perform ctguid plbs especi use sampl small formula see textmm lesion

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