SCC patients with Equivocal nodal disease following conventional assessment, especially if the nodes in question are not accessible USG or USG FNAC has not provided conclusive result. Suspicion of recurrent/ residual
HNSCC cell secrete immunoregulatory cytokines IL-2, IL-4, IL-6 These IL effect growth inhibition directly or indirectly E.g. Local treatment with IL-2 given transmural injection in recurrent HNSCC: positive response IL-2
→The different components of cochlear implant are: Internal part (implant): placed surgically beneath the scalp Array of electrode inside cochlea Body of implant which contains a receiver/stimulator: decodes the signals