It was reported via a journal article: the following information is from the journal article.Ito h, onishi h, shoin k, et al.Granuloma caused by oxidized cellulose following craniotomy.Acta neurochir (wien).1989;100(1-2):70-3 a patient (65 yo) that presented with worsening vision 630 days following surgery for a tuberculum sellae meningioma, adjacent to the optic chiasm.The ct scan showed a mass that was suspected to be a recurrence of the meningioma.A second surgery was performed to remove the mass which included remnants of oxidized cellulose.Visual disturbances continued following the second surgery.During the primary surgery multiple pieces of surgicel were placed at the surgical site and left in the patient following the initial surgery.
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