Congenital neuroglial heterotopia in a neonatal harbor seal (Phoca vitulina richardsi ) with evidence of recent exposure to polycyclic aromatic hydrocarbons.


A male neonatal Pacific harbor seal (Phoca vitulina richardsi) stranded off the coast of California, USA, was presented for rehabilitation with numerous partially haired, soft tissue masses around the mouth and in the oropharynx. Because of the extent of the lesions, the seal was humanely euthanized. Histologically, the masses consisted of subepithelial… (More)


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