Multimodal assessment shows a mostly preserved cognitive status in incidentally discovered low grade gliomas: A single institution study

Ilaria Guarracino, Tamara Ius, Enrico Pegolo, Daniela Cesselli, Miran Skrap, Barbara Tomasino

Research output: Contribution to journalArticlepeer-review

Abstract

Incidentally discovered low-grade gliomas (iLGGs) are poorly reported in the literature. Still less is known about iLGG patients’ neuropsychological profile: It is unclear whether iLGG patients are cognitively proficient, thus further confirming the concept of asymptomatic. From our monoinstitutional cohort of 332 patients operated for LGG from 2000 to 2017 we selected those who underwent a neuropsychological testing (n = 217, from 2008 to 2017), and identified 24 young (mean age 38.5 ± 1.06) patients with iLGGs (16 of 24, left hemisphere iLGGs, 8 of 24 right hemisphere iLGGs). The maximum lesions overlap occurred in the left inferior frontal gyrus and in the right anterior cingulate/superior medial frontal gyrus. Patients were cognitively preserved except mild to borderline difficulties in a few of them. The analysis of the equivalent scores (a score laying below or equal to the external nonparametric tolerance limit of adjusted scores corresponding to 0, 1, 2 and 3 are intermediate) highlighted the presence of additional borderline performances. Molecular class correlated with a normal function at visual–spatial intelligence (p = 0.05) and at spatial short-term memory (p = 0.029). Results indicate that at this time of tumor growth, patients’ cognitive abilities are still functional, but are slowly approaching the borderline level.

Original languageEnglish
Article number156
Number of pages12
JournalCancers
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 1 2020

Keywords

  • Brain mapping
  • Incidental findings
  • Low-grade glioma
  • Neuropsychology

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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