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Letters to the Editors

Letters to the Editors Acta Cytologica Vorticella in Pap Smears as a Contaminant To the Editors: We would like to report on the presence of Vorticel- la, an unusual protozoon, in Pap smears in the cy- tology laboratory of Shiraz Medical School over 25 years. Recently Pap smears from seven women, aged 25–40 years, were examined. They presented to the gynecology clinic for a routine examination for cer- vicitis. The smears revealed normal findings in two cases, but the smears in five cases revealed severe Figure 2 Mature forms of Vorticella showing kidney-shaped nucleus and spiral stalk (Papanicolaou stain, × 1,200). inflammation, Doderlein bacilli, metaplastic cells and eosinophils; three were associated with can- didiasis, and no causative agent was found in the other two cases. (Figure 3). They contained a round, black macronu- The smears from all seven cases revealed numer- cleus and micronucleus, contractile vacuoles and a ous mature and immature forms of Vorticella (Fig- small, rod-shaped, pink inside stalk. Fine cilia were ure 1). The mature forms were large, with a shape seen in the anterior part (Figure 3). resembling a pomegranate (Figure 2). They con- At first sight the immature forms were confused tained a large bandlike or horseshoe-shaped, black http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Cytologica Karger

Letters to the Editors

Acta Cytologica , Volume 45 (4): 14 – Jan 1, 2011
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Publisher
Karger
Copyright
© 2011 S. Karger AG, Basel
ISSN
0001-5547
eISSN
1938-2650
DOI
10.1159/000327882
Publisher site
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Abstract

Acta Cytologica Vorticella in Pap Smears as a Contaminant To the Editors: We would like to report on the presence of Vorticel- la, an unusual protozoon, in Pap smears in the cy- tology laboratory of Shiraz Medical School over 25 years. Recently Pap smears from seven women, aged 25–40 years, were examined. They presented to the gynecology clinic for a routine examination for cer- vicitis. The smears revealed normal findings in two cases, but the smears in five cases revealed severe Figure 2 Mature forms of Vorticella showing kidney-shaped nucleus and spiral stalk (Papanicolaou stain, × 1,200). inflammation, Doderlein bacilli, metaplastic cells and eosinophils; three were associated with can- didiasis, and no causative agent was found in the other two cases. (Figure 3). They contained a round, black macronu- The smears from all seven cases revealed numer- cleus and micronucleus, contractile vacuoles and a ous mature and immature forms of Vorticella (Fig- small, rod-shaped, pink inside stalk. Fine cilia were ure 1). The mature forms were large, with a shape seen in the anterior part (Figure 3). resembling a pomegranate (Figure 2). They con- At first sight the immature forms were confused tained a large bandlike or horseshoe-shaped, black

Journal

Acta Cytologica – Karger

Published: Jan 1, 2011

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