Sarcoplasmic Masses in the Skeletal Muscle of a Stranded Pigmy Sperm Whale (Kogia breviceps)

Eva Sierra; Antonio Espinosa de los Monteros; Antonio Fernández; Manuel Arbelo; María José Caballero; Pedro Herráez Rivero

doi:10.7589/2012-04-103

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Eva Sierra,^1,* Antonio Espinosa de los Monteros,¹ Antonio Fernández,¹ Manuel Arbelo,¹ María José Caballero,¹ Pedro Herráez Rivero¹

¹1 Department of Veterinary Pathology, Institute for Animal Health, Veterinary School, Universidad de

^* Corresponding author (email: esierra@becarios.ulpgc.es)

Abstract

We measured the abundance of sarcoplasmic masses within skeletal muscle myocytes of an adult female stranded pigmy sperm whale (Kogia breviceps). The presence of these masses in other species has been reported in association with myopathies, including myotonic dystrophy, the most frequently related pathology. Other histopathologic muscle changes included a high number of internal nuclei, variations in fiber size and shape, and the predominance of type I fibers.

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Eva Sierra, Antonio Espinosa de los Monteros, Antonio Fernández, Manuel Arbelo, María José Caballero, and Pedro Herráez Rivero "Sarcoplasmic Masses in the Skeletal Muscle of a Stranded Pigmy Sperm Whale (Kogia breviceps)," Journal of Wildlife Diseases 49(3), 679-683, (1 July 2013). https://doi.org/10.7589/2012-04-103

Received: 9 April 2012; Accepted: 1 January 2013; Published: 1 July 2013

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