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1 December 2018DISSEMINATED OSSEOUS METAPLASIA OF THE VENTRAL SCALES OF A GRAY-BANDED KINGSNAKE (LAMPROPELTIS ALTERNA)
Emily E. Brenner,
Elise E.B. LaDouceur,
Michael M. Garner,
Carlos R. Sanchez
Emily E. Brenner,*,** Elise E.B. LaDouceur,** Michael M. Garner,** Carlos R. Sanchez**
*Correspondence should be directed to Dr. Brenner (emily.e.brenner@gmail.com). **From the Veterinary Services, Fort Worth Zoo, 1989 Colonial Parkway, Fort Worth, Texas 76110, USA (Brenner and Sanchez); Northwest ZooPath, 654 W. Main Street, Monroe, Washington 98272, USA. (LaDouceur and Garner); and Joint Pathology Center, 606 Stephen Sitter Avenue, Silver Spring, MD 20910, USA (LaDouceur). Present address (Brenner): 6795 East Calle La Paz 9203, Tucson, Arizona 85715, USA.
A 22-yr-old, female gray-banded kingsnake (Lampropeltis alterna) was examined for stomatitis and hard ventral scales. On examination, the ventral scales palpated as rigid and brittle. A blood sample yielded marked hypovitaminosis D (11 nmol/L). Radiographs revealed a generalized bone radiopacity outlining the ventral scales; scale biopsies were obtained for histologic examination and presented linear, superficial, and midzonal foci of well-differentiated dermal bone and bone marrow. The stomatitis was successfully treated, but the general condition of the snake declined, and it was euthanized. The most significant finding in the postmortem examination was abnormally pale kidneys. Histologic examination revealed diffuse renal gout and diffuse osseous metaplasia in the dermis of all of the ventral scales. Generalized osseous metaplasia of the ventral scales in snakes has not, to our knowledge, been reported; the cause in this report was not identified, but given the extensiveness of the lesion, it is likely that the cause was multifactorial.
Copyright 2018 by American Association of Zoo Veterinarians
Emily E. Brenner,Elise E.B. LaDouceur,Michael M. Garner, andCarlos R. Sanchez "DISSEMINATED OSSEOUS METAPLASIA OF THE VENTRAL SCALES OF A GRAY-BANDED KINGSNAKE (LAMPROPELTIS ALTERNA)," Journal of Zoo and Wildlife Medicine 49(4), 1021-1024, (1 December 2018). https://doi.org/10.1638/2016-0289.1
Accepted: 27 July 2018; Published: 1 December 2018
Emily E. Brenner, Elise E.B. LaDouceur, Michael M. Garner, Carlos R. Sanchez "DISSEMINATED OSSEOUS METAPLASIA OF THE VENTRAL SCALES OF A GRAY-BANDED KINGSNAKE (LAMPROPELTIS ALTERNA)," Journal of Zoo and Wildlife Medicine, 49(4), 1021-1024, (1 December 2018)
