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Journal of Wildlife Diseases, 46(1), 2010, pp. 320-325
© Wildlife Disease Association  2010
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SHORT COMMUNICATION

Multifocal Granulomatous Panniculitis with Ceroid Pigment in Two Mediterranean Striped Dolphins (Stenella coeruleoalba)

 Sara Soto1,5, Dolors Fondevila1, Beatriz González2, Encarna Gómez-Campos3 and Mariano Domingo1,4

1 Departament de Sanitat i d’Anatomia Animals, Facultat de Veterinária, Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Spain
2 CRAM (Fundació per la Conservacióy Recuperaciód’Animals Marins), Camí Ral 239, 08330 Premià de Mar, Spain
3 Department de Biologia Animal–Vertebrats, Facultat de Biologia, Universitat de Barcelona (UB), Avda. Diagonal 645, 1a planta, 08028 Barcelona, Spain
4 CRESA (Centre de Reserca en Sanitat Animal), Campus Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Spain
5 Corresponding author (email: sara.soto{at}uab.es)

ABSTRACT:   Two striped dolphins (Stenella coeruleoalba) were found stranded on the Catalonian Spanish coast. The main pathologic finding in both animals was the existence of multiple granulomatous lesions in the blubber, microscopically composed of macrophages and multinucleated cells containing vacuolar material. This material was identified as ceroid pigment due to its ultrastructural morphology, autofluorescence, and positive staining with periodic acid-Schiff and Ziehl-Neelsen techniques. The special stains and electron microscopy did not reveal any microorganisms associated with the lesions. These findings are very suggestive of "nutritional panniculitis," a well-defined entity associated with vitamin E deficiency that has been rarely described in free-living species.
  Key words:  Blubber, ceroid pigment, granulomatous panniculitis, nutritional panniculitis, Stenella coeruleoalba, striped dolphin, vitamin E deficiency.






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