Life Cycle
Clinical Findings
References and Links

Clinical Findings


Along with presentation of the above mentioned symptoms (see "Symptoms"), there may be other findings that may help in diagnosing coenurosis.  These include:

  • Papilledema (swelling of the optic nerve head) in the back of the retina during eye examination
  •  Moderate hypoglycorrhachia (low concentrations of blood sugar in the cerebral spinal fluid) with glucose concentrations below 40 mg/dl occurs in about half the cases; occasionally the glucose levels fall to values as low as 10 mg/dl
  •  Raised intracranial pressure caused by ventricular obstruction.
  • Cerebral spinal fluid (CSF) examination showing nonspecific profile indicating subacute (between acute and chronic) nonbacterial inflammation. 
  • Imaging reveals a cystic mass, often in the ventricles or in the subarachnoid space, suggesting the differential diagnosis of a parasitic infection.  More specifically, on CT scans viable cysts appear as lucent lesions surrounded by a contrast-enhanced peripheral rim.  Multiple echo MRI sequences reveal that the intensity of the cyst contents is similar to that of the CSF.
  • Ventriculography, CT, or MRI may show dilatation of the ventricles

However, a definitive diagnosis of coenurosis can only come from a gross microscopic examination of the morphologic appearance of the cyst.  See “Coenurus” for more information.



Papilledema: The edges of the optic nerve (the yellow disc in the center) appear blurred and indistinct when swollen 


CT scan showing enlarged lateral ventricles