Cysticercosis CT

Cysticercosis Microchapters
Home
Patient Information
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Cysticercosis from Other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications and Prognosis
Diagnosis
History and Symptoms
Physical Examination
Laboratory Findings
CT
MRI
Other Diagnostic Studies
Treatment
Medical Therapy
Surgery
Primary Prevention
Case Studies
Case #1
Cysticercosis CT On the Web
Most recent articles
Most cited articles
Review articles
CME Programs
Powerpoint slides
Images
American Roentgen Ray Society Images of Cysticercosis CT All Images X-rays Echo & Ultrasound CT Images MRI
Ongoing Trials at Clinical Trials.gov
US National Guidelines Clearinghouse
NICE Guidance
FDA on Cysticercosis CT
CDC on Cysticercosis CT
Cysticercosis CT in the news
Blogs on Cysticercosis CT
Directions to Hospitals Treating Cysticercosis
Risk calculators and risk factors for Cysticercosis CT

Please help WikiDoc by adding more content here. It's easy! Click here to learn about editing.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Computerized tomography (CT) is superior to magnetic resonance imaging (MRI) for demonstrating small calcifications. However, MRI shows cysts in some locations (cerebral convexity, ventricular ependyma) better than CT, is more sensitive than CT to demonstrate surrounding edema, and may show internal changes indicating the death of cysticerci.

In recent years, the use of CT and MRI has permitted identification of neurocysticercosis cases with a benign course that would not have been detected previously.

CT findings in neurocysticercosis

• CT Can give a rough estimate about the location and number of cysts but often misses cysts in the ventricles and brain stem.
• CT is better in demonstrating calcifications than MRI.
• Calcifications Appear as hyperdense lesions without surrounding inflammation, edema nor enhancement.(26)

Both of CT and MRI show:

1. Vesicular lesions: Well demarcated ring enhancing lesions without surrounding edema and inflammation. Scolices appear as hyperdense eccentric nodule within the cyst.
2. Colloidal and granular lesions: Ill defined lesions surrounded by brain edema and inflammation.(26)
3. In advanced cases, images may show diffuse brain edema, encephalitis, obstruction of the ventricles and midline shift.

References

Template:WikiDoc Sources