Of the 17 subjects with hidden OGB and P2 lesions, nine 53% had the inflammatory lesions, six 35% had vascular lesions, two 12% had neoplastic lesions.
De otro lado, en los 17 sujetos con SGO oculto con lesiones tipo P2, las causas eran: inflamatorias 9 53%, vasculares 6 35%, y neoplásicas 2 12%.