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Volume 18, Number 8—August 2012

CME ACTIVITY - Research

Paragonimus kellicotti Flukes in Missouri, USA

Michael A. LaneComments to Author , Luis A. Marcos, Nur F. Onen, Lee M. Demertzis, Ericka V. Hayes, Samuel Z. Davila, Diana R. Nurutdinova, Thomas C. Bailey, and Gary J. Weil
Author affiliations: Washington University School of Medicine, St. Louis, Missouri, USA (M.A. Lane, L.A. Marcos, N.F. Onen, L.M. Demertzis, E.V. Hayes, S.Z. Davila, D.R. Nurutdinova, T.C. Bailey, G.J. Weil); and John Cochran Veterans Administration Medical Center, St. Louis (D.R. Nurutdinova)

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Table 2

Clinical and laboratory findings for 9 patients infected with Paragonimus kellicotti flukes, Missouri, USA, September 2009–October 2010*

Characteristic Value
Age, y, median (range) 28 (10–43)
Male sex 8 (88.9)
Alcohol consumption 7 (77.8)
Incubation period, wk, median (range) 4 (2–12)
Duration of symptoms before examination, wk, median (range) 2 (2–8)
Signs and symptoms

Fever

8 (88.9)

Cough

9 (100.0)

Chest pain

6 (66.7)

Dyspnea

4 (44.4)

Night sweats

5 (55.6)

Malaise

5 (55.6)

Abdominal pain

2 (22.2)

Weight loss

7 (77.8)
Laboratory findings

Eosinophils/mm3 at first examination, mean
(range)

1,626 (800–3,600)

% Eosinophils at first examination, mean
(range)

15 (6–30)

Positive paragonimus immunoblot result†

5 (71.4)

Positive sputum ova and parasite test result†

1 (14.2)
Radiographic findings

Pleural effusion

9 (100.0)

Nodule

4 (44.4)

Pericardial effusion

4 (44.4)

*Values are no. (%) unless otherwise indicated.
†n = 7.

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