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Bilateral parieto-occipital dermoid sinuses in a Rottweiler

Authors

  • N. Bornard,

    1. 115 ancienne grande rue, 69380 Chatillon, France
      *UP dermatologie, and †UP chirurgie et anesthésiologie, Ecole Nationale Vétérinaire de Lyon, 1 Avenue Bourgelat, 69280 Marcy l’Etoile, France
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  • D. Pin,

    1. 115 ancienne grande rue, 69380 Chatillon, France
      *UP dermatologie, and †UP chirurgie et anesthésiologie, Ecole Nationale Vétérinaire de Lyon, 1 Avenue Bourgelat, 69280 Marcy l’Etoile, France
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  • C. Carozzo

    1. 115 ancienne grande rue, 69380 Chatillon, France
      *UP dermatologie, and †UP chirurgie et anesthésiologie, Ecole Nationale Vétérinaire de Lyon, 1 Avenue Bourgelat, 69280 Marcy l’Etoile, France
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Abstract

Bilateral dermoid sinuses were identified on the parieto-occipital region of a Rottweiler. Diagnosis was confirmed by histological examination after successful complete surgical resection. The dermoid sinuses were independent with separate tracts. This unusual parasagittal location can be explained by craniofacial development: dermoid sinuses on the head could occur along the lines of embryological fusion and not only in the sagittal plane. A hypothesis of an origin at the level of the suture between the parietal and interparietal bones is possible in this case.

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