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Open AccessArticle

Multimodal Assessment Shows a Mostly Preserved Cognitive Status in Incidentally Discovered Low Grade Gliomas: A Single Institution Study

1
Scientific Institute, IRCCS E. Medea, San Vito al Tagliamento, 33078 Pordenone, Italy
2
Unità Operativa di Neurochirurgia, Azienda Sanitaria Universitaria Integrata S. Maria della Misericordia, 33100 Udine, Italy
3
Institute of Pathology, Santa Maria della Misericordia University Hospital, 33100 Udine, Italy
*
Author to whom correspondence should be addressed.
Cancers 2020, 12(1), 156; https://doi.org/10.3390/cancers12010156
Received: 15 November 2019 / Revised: 11 December 2019 / Accepted: 31 December 2019 / Published: 8 January 2020
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. View Full-Text
Keywords: low-grade glioma; incidental findings; neuropsychology; brain mapping low-grade glioma; incidental findings; neuropsychology; brain mapping
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Guarracino, I.; Ius, T.; Pegolo, E.; Cesselli, D.; Skrap, M.; Tomasino, B. Multimodal Assessment Shows a Mostly Preserved Cognitive Status in Incidentally Discovered Low Grade Gliomas: A Single Institution Study. Cancers 2020, 12, 156.

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