Primary intramuscular infestation of Echinococcus granulosus misdiagnosed as a soft tissue tumor: A case report

Luigi Insabato, Gilda Marino, Flavio Fazioli, Venanzio Iacono, Massimo Mascolo, Lucio Palombini

Research output: Contribution to journalArticle

Abstract

Background: The occurrence of a primary intramuscular infestation of Echinococcus granulosus is extremely rare. Case: A 70-year-old woman with primary skeletal muscle hydatidosis initially presented with a soft tissue mass. Clinical and radiologic examination revealed a huge cystic mass in the right quadriceps muscle without any visceral organ involvement. Since the differential diagnosis included a soft tissue tumor, fine needle aspiration cytology was performed, and a diagnosis of hydatid disease was made. Conclusion: This very rare case of primary intramuscular infestation of E granulosus was clinically misdiagnosed as a soft tissue tumor. Hydatid disease, albeit rare, should be considered in the differential diagnosis of a soft tissue mass.

Original languageEnglish
Pages (from-to)631-633
Number of pages3
JournalActa Cytologica
Volume51
Issue number4
Publication statusPublished - 2007

Keywords

  • Aspiration biopsy, fine-needle
  • Echinococcus granulosus
  • Soft tissue neoplasms

ASJC Scopus subject areas

  • Anatomy
  • Cell Biology
  • Histology

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    Insabato, L., Marino, G., Fazioli, F., Iacono, V., Mascolo, M., & Palombini, L. (2007). Primary intramuscular infestation of Echinococcus granulosus misdiagnosed as a soft tissue tumor: A case report. Acta Cytologica, 51(4), 631-633.