Summary
Inner ear pathology was studied in adult rats with lipoid nephrosis induced by puromycin aminonucleoside. Although no abnormality was observed in auditory brain-stem responses, significant changes were noted in the stria vascularis. The most striking observation was that intermediate cells were markedly swelled, there-by pressing adjacent marginal cells. Severely affected marginal cells have vacuoles and increased lysosomes and protruded toward the endolymphatic space. The organ of Corti remained virtually intact. Although the vestibular maculae were relatively normal, type I hair cells in the semicircular canal underwent a conspicuous vaculolization. These findings support a postulate that the inner ear is liable to damage in lipoid nephrosis.
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Correspondence to: H. Yamane
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Yamane, H., Nakai, Y. Inner ear damage due to lipoid nephrosis. Eur Arch Otorhinolaryngol 250, 177–181 (1993). https://doi.org/10.1007/BF00171707
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DOI: https://doi.org/10.1007/BF00171707