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Mammals (other)
Sebaceous naevus in a dama gazelle (Nanger dama mhorr)
  1. Iván Ravera1,
  2. Antonio Ramis2,
  3. María Dolores Carbonell3 and
  4. Claudio Iván Serra1
  1. 1Animal Medicine and Surgery, Universidad Católica de Valencia San Vicente Mártir, Valencia, Spain
  2. 2Departament de Sanitat i Anatomia Animals, Universitat Autònoma de Barcelona, Barcelona, Spain
  3. 3Technical Animal Department, Bioparc Valencia, Valencia, Spain
  1. Correspondence to Dr Iván Ravera; ivan.ravera{at}ucv.es

Abstract

Since 2006 the Dama gazelle has been considered a critically endangered species by the IUCN. At present, the captive population is distributed in several zoos around the world. Bioparc (Valencia, Spain) has a captive population of 9 individuals. A two-month-old male dama gazelle (<i>Nanger dama mhorr</i>) living at the Bioparc facilities, developed an annular verrucous hyperpigmented fairly alopecic cutaneous plaque on the left lateral aspect of the thorax. Haematoxylin and eosin study revealed an exophytic papillary epidermal hyperplasia with mild orthokeratotic hyperkeratosis. In the subjacent dermis, a glandular well-differentiated epithelial tissue proliferation was observed. At the periphery, significant immature reserve cells were identified, and in some central areas of the proliferating glands, an amorphous eosinophilic material corresponding to cystic degeneration was observed. Resection margins were clear, and no signs of malignancy were observed. Diagnosis was consistent with sebaceous naevus. After a 12-month follow-up period, no relapse was noticed.

  • sebaceous naevus
  • gazelle
  • non-neoplastic tumour
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Footnotes

  • Contributors Each of the authors contributed equally to this work.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data relevant to the study are included in the article.

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