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The Sheep in Wolf's Clothing: Vegetable and Fruit Particles Mimicking Cells and Microorganisms in Cytology Specimens | OMICS International | Abstract
ISSN: 2157-7099

Journal of Cytology & Histology
Open Access

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Research Article

The Sheep in Wolf's Clothing: Vegetable and Fruit Particles Mimicking Cells and Microorganisms in Cytology Specimens

Sue Chang1, Neda A Moatamed1, Christina KY2, Nikki Salami1 and Sophia K Apple1*

1David Geffen School of Medicine at UCLA, Pathology and Laboratory Medicine, USA

2Pathology Inc., 19951 Mariner Ave, Torrance, CA 90503, USA

*Corresponding Author:
Sophia K Apple
UCLA Department of Pathology & Laboratory Medicine
BOX 951732, 1P-244 CHS, Los Angeles
CA 90095-1732, USA
Tel: (310) 825-9288
E-mail: [email protected]

Received Date: September 03, 2013; Accepted Date: December 18, 2013; Published Date: December 20, 2013

Citation: Chang S, Moatamed NA, Christina KY, Salami N, Apple SK (2013) The Sheep in Wolf’s Clothing: Vegetable and Fruit Particles Mimicking Cells and Microorganisms in Cytology Specimens. J Cytol Histol 5:207. doi:10.4172/2157-7099.1000207

Copyright: © 2013 Chang S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background: Microorganisms and contaminants, including food contaminants, can be difficult to distinguish in various cytologic specimens. Vegetable and fruit contaminants can be found in specimens from the gastrointestinal tract, as in anal Pap smears, or aspirated into the respiratory tract, as in bronchiolar-alveolar lavage. Some of these materials mimic microorganisms, normal human cells, and even malignant cells, making correct diagnosis of the cytology specimen a challenge. A catalogue of the cytologic appearance of these contaminants will increase awareness of these diagnostic stumbling blocks.
Methods: Commonly eaten fruits and vegetables were selected. In each preparation, a small amount of the edible portions of the fruit or uncooked vegetable were ground with mortar and pestle, and smeared onto glass slides. The slides were fixed in 100% alcohol for Papanicolaou (PAP) stain or air-dried for May-Grunswald-Giemsa (MGG) stain.
Results: All vegetable cells contained nuclei, cytoplasm, and cell walls. Fruit cells contained nuclei and cytoplasm, but variably contained cell walls. Many of the deeply stained nuclei resembled overly stained malignant nuclei or dysplastic cells. Vegetable contaminants can resemble anucleated to intermediate squamous cells, respiratory columnar cells, viral inclusions such as cytomegalovirus or Molluscum contagiosum, fungal elements, and even organisms such as nematodes, Stronglyoides, and Toxoplasma. Fruit contaminants can mimic similar infectious parasites or fungal spores, and contribute to a seemingly necrotic background.
Conclusion: The distinctive morphologic pattern of fruit and vegetable cells make identification of these mimickers of pathologic processes possible, and differentiates them from human cells.

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