Summary
Myospherulosis is an unusual foreign-body reaction occurring in tissues exposed to petrolatum-based products. Histopathologically this disorder is characterized by the presence of large and small tissue spaces containing amorphous debris and peculiar sac-like structures enclosing numerous brown spherical bodies. A rare case of myospherulosis of the middle ear and mastoid is presented and the literature is reviewed.
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Manni, J.J., Schaafsma, H.E. & Vennix, P.P.C.A. Myospherulosis in the operated temporal bone. Eur Arch Otorhinolaryngol 249, 231–232 (1992). https://doi.org/10.1007/BF00178475
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DOI: https://doi.org/10.1007/BF00178475