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. Author manuscript; available in PMC: 2015 Jun 13.

Published in final edited form as: Hear Res. 2014 Oct 5;318:11–17. doi: 10.1016/j.heares.2014.09.007

Fig. 2 — Fig. 2A. Basal turn of case #3. This 76 year old woman with a familial hearing loss underwent left cochlear implantation at age 59 years using a Nucleus 22® device. She was a poor implant user and scored 0% on an NU-6 word list at age 50. A B-cell lymphocytic infiltrate was identified using anti-CD20 immunostaining near the electrode track (ET). Opaque particulate foreign body material (FB) was seen within the inflammatory infiltrate.

Fig. 2B. On a semi-serial section a co-population of T-cells was identified using anti CD-3 immunostaining. In addition, opaque particulate foreign body material (FB) was seen within the inflammatory infiltrate.

Fig. 2 — Fig. 2A. Basal turn of case #3. This 76 year old woman with a familial hearing loss underwent left cochlear implantation at age 59 years using a Nucleus 22® device. She was a poor implant user and scored 0% on an NU-6 word list at age 50. A B-cell lymphocytic infiltrate was identified using anti-CD20 immunostaining near the electrode track (ET). Opaque particulate foreign body material (FB) was seen within the inflammatory infiltrate.

Fig. 2B. On a semi-serial section a co-population of T-cells was identified using anti CD-3 immunostaining. In addition, opaque particulate foreign body material (FB) was seen within the inflammatory infiltrate.