View source for Cytology Q&A 15

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'''A three-year-old gelding was box walking, sweating, stamping and head pressing. A sample of peritoneal fluid was collected and examined immediately. It was turbid and serosanguineous, and had an NCC of 21 × 109/l and a TP of 43 g/l. Cells seen in a cytospin preparation of the fluid are shown (Wright–Giemsa, ×100 oil).'''

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<FlashCard questions="3">
|q1=What type of fluid is present (fluid classification)?
|a1=
The elevated TP and NCC indicate an exudate.
|l1=Colic - Peritoneal Fluid Analysis
|q2=What cells are present ?
|a2=
The cells present are neutrophils (some immature) and macrophages.<br><br>
Although processed immediately, stain take up is very poor and, along with the physical parameters, this suggests an abdominal catastrophe such as intestinal torsion; however, microorganisms and plant material, which would indicate rupture of an intestinal viscus, are absent.
|l2=Colic - Peritoneal Fluid Analysis
|q3=What is your diagnosis?
|a3=Peritonitis/possible torsion. Torsion was found on laparotomy. <br><br>
Note: Reference values for NCCs and classification of effusions in large animals differ from those for small animal specimens. 
|l3=Peritonitis
</FlashCard>

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