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Breast-nonmalignant

Parasites

Cysticercosis

 

Reviewer: Hind Nassar, M.D. in January 2009 (see Authors page)

Revised: 1 October 2012, last major update March 2010

Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.

 

Definition

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● Due to larvae of Taenia solium (tapeworm), a major public heath problem in developing countries

 

Terminology

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Epidemiology

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Sites

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Etiology

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● Acquired by ingestion of tapeworm eggs in contaminated food / water or from hands improperly washed after a bowel movement

 

Clinical features

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Prognostic factors

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Case reports

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● 15 year old girl with breast lump (Med Trop (Mars) 2007;67:179)

63 year old woman with mammographic calcifications (Am J Trop Med Hyg 2008;79:864)

 

Treatment

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● Excision plus albendazole, possibly steroids

 

Clinical images

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Gross description (Macroscopy)

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Gross images

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AFIP Fig 31: cyst of Taenia solium                  Tubular, worm-like structure         

in breast biopsy                                                  suggestive of calcified parasite

 

Micro description (Histopathology)

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● Fibrous walled cyst covered by several layers of epithelioid cells with eosinophils and occasional giant cells (Am J Surg Pathol 1999;23:1276)

 

Micro images

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CNS                                        Eyelid

 

Drawings

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Virtual Slides

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Videos

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Cytology description

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● Parts of parasite may be identifiable (Acta Cytol 1996;40:653)

● Also spiked spherules and inflammatory cells (Acta Cytol 1989;33:659)


Positive stains

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Negative stains

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Electron microscopy descriptions

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Electron microscopy images

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Molecular / cytogenetics description

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Molecular / cytogenetics images

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Differential Diagnosis

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Additional references

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US Centers for Disease Control, eMedicine, Wikipedia

 

End of Breast-nonmalignant > Parasites > Cysticercosis

 

 

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