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Diagnostic criteria in pediatric intracranial hypertension
Hilliary E Inger1, David L Rogers1, Mary Lou McGregor1
1Department of Ophthalmology, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio.
Insights
The newer pseudotumor cerebri syndrome (PTCS) criteria for diagnosing intracranial hypertension (IH) are useful but may miss cases. Clinical symptoms are valuable, and distinguishing definite from probable IH may not be clinically relevant in pediatric patients.
Area of Science:
- Neurology
- Pediatric Neurology
- Ophthalmology
Background:
- Intracranial hypertension (IH) is diagnosed using modified Dandy criteria or newer pseudotumor cerebri syndrome (PTCS) criteria.
- PTCS criteria stratify IH into definite, probable, and suggested categories, prioritizing radiologic evidence over clinical symptoms.
- Consensus is lacking on the optimal diagnostic criteria for IH in the pediatric population.
Purpose of the Study:
- To compare the diagnostic utility of PTCS criteria against modified Dandy criteria for IH in pediatric patients.
- To identify limitations within both the PTCS and modified Dandy criteria for diagnosing IH.
Main Methods:
- Retrospective application of PTCS criteria to 50 pediatric patients previously diagnosed with IH using modified Dandy criteria.
Main Results:
- 62% of patients met criteria for definite PTCS.
- 20% met criteria for probable PTCS.
- 18% did not meet sufficient PTCS criteria for diagnosis.
Conclusions:
- While PTCS criteria rely on objective data, subjective symptoms remain important indicators of IH.
- The distinction between definite and probable IH may lack clinical significance as treatment approaches were similar.
- Absence of radiographic evidence should not rule out IH, as it was not present in all diagnosed patients.
Background:
The modified Dandy criteria and the newer diagnostic criteria for pseudotumor cerebri syndrome (PTCS) are both used to diagnose intracranial hypertension (IH). In comparison to the modified Dandy criteria, the PTCS criteria stratify the IH diagnosis into definite, probable, and suggested categories, exclude clinical symptoms, and use radiologic evidence for diagnosis. There is a lack of consensus on which criteria should be used in the pediatric population. The purpose of this study was to compare the diagnostic criteria for PTCS to the modified Dandy criteria and to identify limitations within both sets of criteria.
Methods:
The PTCS criteria were retrospectively applied to 50 patients originally diagnosed with IH under the modified Dandy criteria.
Results:
Of the 50 patients, 31 (62%) met diagnostic criteria for definite PTCS, 10 (20%) met criteria for probable PTCS, and 9 patients (18%) failed to meet sufficient PTCS criteria for diagnosis.
Conclusions:
Although the PTCS criteria use objective data to make the IH diagnosis, we found subjective symptoms to be useful indicators of disease in this group of patients. Additionally, distinguishing probable from definite IH may not have clinical relevance, because both groups were treated similarly. The absence of radiographic evidence of IH should not preclude a diagnosis of the condition, as it was present in a minority of patients included in this study. Further research is needed to clarify the disease process in patients who present with signs and symptoms of elevated intracranial pressure but lack ocular pathology.
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