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  • Loss of serosal detail in the cranial abdomen (minor finding)
  • Generalized splenomegaly/mass effect, with caudal displacement of abdominal viscera
  • Cranial abdominal mass effect, likely originating from the spleen
  • Loss of serosal detail consistent with effusion
  • Differentials: Splenic enlargement secondary to splenic torsion (correct answer), other causes of generalized splenomegaly
  • Ultrasound to look for splenic involvement, examine spleen for decreased perfusion
  • All candidates identified a cranial abdominal mass effect, although some felt that abdominal detail was normal, and others attributed loss of detail to a thin body condition. Many candidates attributed the mass effect to either the stomach (outflow obstruction) or to the pancreas (pancreatitis/abscess).
  • Highest point totals were given to candidates who listed splenic torsion as first in the differential list, although points were also awarded for a diagnosis of generalized splenomegaly with other differentials.