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World Neurosurg. 2017 Nov;107:409-415. doi: 10.1016/j.wneu.2017.07.183. Epub 2017 Aug 8.

Fatal Colloid Cysts: A Systematic Review.

Author information

1
Department of Neurosurgery, University of California, Los Angeles, Los Angeles, USA.
2
Department of Neurosurgery, University of California, Los Angeles, Los Angeles, USA; Department of Radiation Oncology, University of California, Los Angeles, Los Angeles, USA; Department of Head and Neck Surgery, University of California, Los Angeles, Los Angeles, USA; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, USA; Department of Neurosurgery, Harbor-UCLA Medical Center, Torrance, California, USA; Los Angeles Biomedical Research Institute (LA BioMed), Harbor-UCLA Medical Center, Torrance, California, USA. Electronic address: iyang@mednet.ucla.edu.

Abstract

OBJECTIVE:

To accurately describe patient characteristics and the clinical presentation of fatal colloid cysts.

METHODS:

A systematic literature search of 3 popular databases was performed. Inclusion criteria were individuals with sudden-onset death and colloid cysts identified on imaging and/or autopsy. The cause of death must have been ascribed to the colloid cyst to be eligible for data extraction. Deaths precipitated by lumbar puncture were excluded. Clinical data were extracted and descriptive statistics were ascertained. Subgroup analyses were performed to compare adults with pediatric patients.

RESULTS:

A total of 107 patients were included in the quantitative synthesis. The mean age was 28.5 years (standard deviation 13.3, range 6-79 years). Male and female patients were affected equally. Headache was the most frequent symptom (n = 86, 80%). There were 6 patients (5 adults and 1 child) who reported positional headaches. The mean duration of signs and symptoms was shorter in adults versus pediatric patients (2.1 days vs. 6.5 days, P = 0.02), and more adults presented with signs and symptoms for less than 24 hours than did pediatric patients (38% vs. 6%, P = 0.01). Colloid cyst mean diameter was 2.0 cm (standard deviation 1.1, range 0.5-7.9 cm) and 96% measured 1 cm or larger.

CONCLUSIONS:

Our data suggests that the prodrome preceding sudden death in the setting of a colloid cyst may be shorter in adults. Also, most fatal colloid cysts measured 1 cm or larger.

KEYWORDS:

Colloid cysts; Death; Hydrocephalus; Sudden

PMID:
28801184
DOI:
10.1016/j.wneu.2017.07.183
[Indexed for MEDLINE]

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