Determinación de grupo de bajo riesgo para tener nódulos metastásicos no detectados por tomografía axial computarizada en la cirugía de las metástasis pulmonares |
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Authors: | Jon Zabaleta Borja Aguinagalde José Miguel Izquierdo Mikel Mendoza Francisco Basterrechea Maialen Martin-Arruti Carmen Lobo José Ignacio Emparanza |
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Institution: | 1. Servicio de Cirugía Torácica, Hospital Universitario Donostia, Donostia, Gipuzkoa, España;2. Servicio de Radiología, Hospital Universitario Donostia, Donostia, Gipuzkoa, España;3. Servicio de Anatomía Patológica, Hospital Universitario Donostia, Donostia, Gipuzkoa, España;4. Departamento de Epidemiología Clínica, CASPe y CIBER-ESP, Hospital Universitario Donostia, Donostia, Gipuzkoa, España |
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Abstract: | IntroductionIn recent years, there has been debate regarding the diagnostic accuracy of computed tomography (CT) in the identification of lung metastases and the need for lung palpation to determine the number of metastatic nodules. The aim of this study was to determine in which patients the CT scan was more effective in detecting all metastases.MethodsWe studied all patients who underwent curative thoracotomy for pulmonary metastasis between 1998 and 2012. All cases were reviewed by two expert pulmonary radiologists before surgery. Statistical analyses were performed using Systat version 13.ResultsThe study included 183 patients (63.6% male) with a mean age of 61.7 years who underwent 217 interventions. The CT scan was correct in 185 cases (85.3%). Discrepancies observed: 26 patients (11.9%) with more metastases resected than observed and 6 cases (2.8%) with fewer metastases. In patients with one or two metastases of colorectal origin or a single metastasis of any other origin, the probability of finding extra nodules was 9.5%. In the remaining patients, the probability was 27.8%, with statistically significant differences (P = .001). The mean age of the patients in whom no unobserved nodules were detected was 62.9 years compared to 56.5 years on average in patients who were free from any metastases (P = .001).ConclusionsPatients older than 60 years, with one or two metastases of colorectal origin or a single metastasis from any other origin were considered to be the group with low probability of having more metastases resected than observed. |
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Keywords: | Metá stasis pulmonar Metastasectomí a pulmonar Tomografí a axial computarizada Toracotomí a Cirugí a torá cica |
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