Body cavity fluids

Boes, Katie M.

doi:10.1016/b978-0-323-68368-5.00015-3

Cited by 1 publication

(6 citation statements)

References 145 publications

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“…31 An additional case with an eosinophilic peritoneal effusion due to FGESF has been reported. 11 Cavitary effusions are rarely reported in this disease process -and infrequently described cytologically if noted-nonetheless, consideration of this differential is warranted, particularly in younger cats. 32,33 Finally, EPEs have long been recognized as a transient sequela of pneumothorax in humans.…”

Section: Discussionmentioning

confidence: 98%

“…Medical records for all cases were reviewed, and the following data were obtained: signalment, effusion cavity location, effusion analysis findings, non‐effusion sample cytology interpretation(s), infectious disease testing, fecal examination results, biopsy histopathological diagnoses, diagnostic imaging assessments, necropsy final diagnoses, and clinical assessments. In addition to the percent eosinophils in the WBC differential, other effusion analysis findings obtained included the quantification and/or description of any mast cells, and if effusion triglycerides were measured as increased eosinophils are noted to occur in chylous effusions 11 …”

Section: Methodsmentioning

confidence: 99%

“…In addition to the percent eosinophils in the WBC differential, other effusion analysis findings obtained included the quantification and/or description of any mast cells, and if effusion triglycerides were measured as increased eosinophils are noted to occur in chylous effusions. 11 Disease association categories were neoplasia (based on definitive cytologic interpretation, biopsy, and/or necropsy diagnosis), cardiovascular disease (diagnosed via echocardiogram and the absence of other etiologies), inflammatory disease (cytologic and/or histopathologic findings), suspect neoplasia (based on combinations of diagnostic imaging, clinical assessment, and concerning but not definitive cytologic findings), parasitic/infectious (serology, culture, PCR, and/or fecal testing), undetermined (no definitive etiology identified on all diagnostics performed), or idiopathic chylothorax (effusion triglycerides >100 mg/dL, 23 and exclusion of other chylothorax etiologies). 24…”

Section: Clinical Datamentioning

confidence: 99%

“…1,[5][6][7][8][9][10] The case series by Fossum et al, 1 veterinary cytology textbooks, and some case reports, specify the use of a leukocyte differential with a minimum of 10% eosinophils to classify a cavitary effusion as eosinophilic, citing various human studies. 1,11,12 This cut-off value is also widely accepted in the human medical literature. Many publications over the past 60 years simply state that they defined eosinophilic effusions as those with ≥10% eosinophils with no citation or other justification.…”

Section: Introductionmentioning

confidence: 99%

“…The case series by Fossum et al, 1 veterinary cytology textbooks, and some case reports, specify the use of a leukocyte differential with a minimum of 10% eosinophils to classify a cavitary effusion as eosinophilic, citing various human studies 1,11,12 . This cut‐off value is also widely accepted in the human medical literature.…”

Section: Introductionmentioning

confidence: 99%

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Eosinophilic cavitary effusions in cats: 48 cases (2010–2020)

Wheatley,

Stowe,

Mochizuki

2023

Veterinary Clinical Pathol

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Abstract‐BackgroundEosinophilic effusions are commonly defined as effusions with ≥10% eosinophils. Eosinophilic cavitary effusions are infrequently observed in cats, with few case reports comprising the majority of the recent literature.ObjectiveThe objective was to review disease associations of cats with eosinophilic cavitary effusions and to assess if a lower threshold of eosinophils (5%–9%) may warrant consideration of similar etiologies associated with effusions with ≥10% eosinophils.MethodsCytology reports were retrospectively reviewed for all feline cavitary effusions submitted for fluid analysis from 2010 to 2020 at a veterinary teaching hospital. Cases were included if the manual leukocyte differential included ≥5% eosinophils and separated into 5%–9% and ≥10% eosinophils groups. Patient records were reviewed for associated medical conditions.ResultsA total of 669 effusions were submitted from 579 cats; 50 effusions from 48 cats had a leukocyte differential with ≥5% eosinophils. The eosinophil proportion was ≥10% in 22 cats; the most common underlying cause was neoplasia (10/22, 45%), followed by inflammatory disease (4/22, 18%), cardiac disease (3/22, 14%), suspect neoplasia (3/22, 14%), and undetermined (2/22, 9%). The underlying causes for the 26 cats with 5%–9% eosinophils were similar; neoplasia (8/26, 31%), cardiac disease (6/26, 23%), inflammatory disease (4/26, 15%), suspect neoplasia (3/26, 12%), undetermined (3/26, 12%), and idiopathic chylothorax (2/26, 8%). Cats with eosinophil proportions ≥10% in the fluid exhibited peripheral eosinophilia more frequently (35%) compared to those with 5%–9% eosinophils (5%).ConclusionsConsistent with the current literature, neoplasia, particularly lymphoma, remains a primary consideration for cats with eosinophilic effusions. Previously unreported associated diseases included cardiovascular and inflammatory disorders. Our findings suggest an eosinophil differential of 5%–9% is seen with similar etiologies considered for classically defined eosinophilic effusions.

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