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1 January 1988 An Internal X-Cell Pseudotumor in a Black Croaker (Cheilotrema saturnum)
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Abstract

Cells closely resembling X-cells were the primary cellular component of a large pseudotumor in the viscera of a black croaker (Cheilotrema saturnum). The fish was captured in coastal waters off San Diego, California and was maintained at the Scripps Aquarium. After 2 years in captivity the fish exhibited extreme abdominal swelling due to a visceral mass, which weighed approximately one-fifth the total body weight. The cells associated with the pseudotumor were identified as X-cells due to their great variability in size, vesicular nuclei which stained negative for DNA and their formation of a pseudotumor. This is the first report of an X-cell pseudotumor in the visceral cavity. We agree with the hypothesis that the X-cell is a protozoan, and the description here of X-cells in a visceral pseudotumor in a fish of the family Sciaenidae associates an additional type of lesion with this enigmatic parasite.

Kent, Myers, Wellings, and Elston: An Internal X-Cell Pseudotumor in a Black Croaker (Cheilotrema saturnum)
M. L. Kent, M. S. Myers, S. R. Wellings, and R. A. Elston "An Internal X-Cell Pseudotumor in a Black Croaker (Cheilotrema saturnum)," Journal of Wildlife Diseases 24(1), 142-145, (1 January 1988). https://doi.org/10.7589/0090-3558-24.1.142
Received: 5 May 1987; Published: 1 January 1988
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