Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri

Melissa R. Nau, David W. Gardiner, Erika Nilson, Todd L. Schmitt, Hendrik H. Nollens, Judy St Leger

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Multiple black raised nodular masses were noted on the dorsal surface of an adult male Haller's round ray Urobatis halleri. Biopsy of 2 masses was performed, and histopathology revealed proliferative sheets of melanocytes exhibiting mild anisocytosis and anisokaryosis, supporting a diagnosis of malignant melanoma. Approximately 2 mo following the biopsy procedure, the round ray became acutely anorexic and was found dead in its enclosure. A full necropsy was performed, and tissues were submitted for histopathology. The black raised nodular masses again exhibited histologic features of a melanoma. In addition to the nodular masses present, multiple flat areas of increased pigmentation were also present throughout the course of the case and were not suggestive of neoplasia histologically. The transformation of benign to malignant neoplasia has been well described in other species and may have played a role in the development of multiple tumors in this case ampi]]copy; Inter-Research 2016.

Original languageEnglish (US)
Pages (from-to)245-250
Number of pages6
JournalDiseases of Aquatic Organisms
Volume120
Issue number3
DOIs
StatePublished - Aug 9 2016
Externally publishedYes

Fingerprint

Urobatis
melanoma
histopathology
neoplasms
biopsy
melanocytes
tumor
pigmentation
necropsy

Keywords

  • Elasmobranch
  • Haller's round ray
  • Melanoma
  • Neoplasia
  • Urobatis halleri

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

Cite this

Nau, M. R., Gardiner, D. W., Nilson, E., Schmitt, T. L., Nollens, H. H., & Leger, J. S. (2016). Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri. Diseases of Aquatic Organisms, 120(3), 245-250. https://doi.org/10.3354/dao03029

Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri. / Nau, Melissa R.; Gardiner, David W.; Nilson, Erika; Schmitt, Todd L.; Nollens, Hendrik H.; Leger, Judy St.

In: Diseases of Aquatic Organisms, Vol. 120, No. 3, 09.08.2016, p. 245-250.

Research output: Contribution to journalArticle

Nau, MR, Gardiner, DW, Nilson, E, Schmitt, TL, Nollens, HH & Leger, JS 2016, 'Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri', Diseases of Aquatic Organisms, vol. 120, no. 3, pp. 245-250. https://doi.org/10.3354/dao03029
Nau MR, Gardiner DW, Nilson E, Schmitt TL, Nollens HH, Leger JS. Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri. Diseases of Aquatic Organisms. 2016 Aug 9;120(3):245-250. https://doi.org/10.3354/dao03029
Nau, Melissa R. ; Gardiner, David W. ; Nilson, Erika ; Schmitt, Todd L. ; Nollens, Hendrik H. ; Leger, Judy St. / Cutaneous malignant melanoma in a Haller's round ray Urobatis halleri. In: Diseases of Aquatic Organisms. 2016 ; Vol. 120, No. 3. pp. 245-250.
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