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In November 1995, a malignant mast cell tumor (mastocytoma) was diagnosed in an adult African hedgehog (Atelerix albiventris) from a zoological park (West Lafayette, Indiana, USA). The primary mast cell tumor presented as a firm subcutaneous mass along the ventrum of the neck. Metastasis to the right submandibular lymph node occurred.

Oronasal squamous cell carcinoma was diagnosed in an adult African hedgehog (Erinaceidae albiventris). Clinically, the carcinoma presented as a firm right maxillary swelling with deviation of the nose to the left. The carcinoma was attached to the hard palate and protruded into the oral cavity. At necropsy, the carcinoma appeared centered in the right maxillary sinus, and had replaced the maxilla and extended into the nasal cavity. Metastatic foci were not found.