Echinococcosis may be misdiagnosed if clinicians and radiologists are unfamiliar with it and its mimics.
Risk factors for misdiagnosis:
(1) prevalence in the community
(2) narrow differential diagnosis
(3) patient's exposure history
Cystic lesions that may be misdiagnosed as ecchinococosis:
(1) cystic schwannoma
(2) cystic degeneration in an embryonal sarcoma
(3) benign cystic tumors
Ecchinococcosis may be misdiagnosed, especially in extrahepatic sites:
(1) cystic ovarian tumor
(2) tuberculosis
(3) metastatic cancer (see pseudo-malignant hydatid disease)
(4) bone tumor
(5) intrathoracic tumor
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Specialty: Infectious Diseases
