RESUMO
PURPOSE: We studied a pediatric group of patients with sellar-suprasellar tumors, aiming to develop a convolutional deep learning algorithm for radiological assistance to classify them into their respective cohort. METHODS: T1w and T2w preoperative magnetic resonance images of 226 Chilean patients were collected at the Institute of Neurosurgery Dr. Alfonso Asenjo (INCA), which were divided into three classes: healthy control (68 subjects), craniopharyngioma (58 subjects) and differential sellar/suprasellar tumors (100 subjects). RESULTS: The PPV among classes was 0.828±0.039, and the NPV was 0.919±0.063. Also explainable artificial intelligence (XAI) was used, finding that structures that are relevant during diagnosis and radiological evaluation highly influence the decision-making process of the machine. CONCLUSION: This is the first experience of this kind of study in our institution, and it led to promising results on the task of radiological diagnostic support based on explainable artificial intelligence (AI) and deep learning models.
RESUMO
En la formación de un neurocirujano es fundamental el conocimiento de la microanatomía cerebral, espinal y del sistema nervioso periférico, así como el entrenamiento en abordajes quirúrgicos y técnicas de microcirugía. El acceso a un laboratorio y a un programa docente permanente en microneuroanatomía y técnicas microquirúrgicas aporta enormes beneficios en la formación y práctica de la neurocirugía. En el presente artículo se presenta la experiencia del laboratorio de microneurocirugía del Departamento de Neurología-Neurocirugía del Hospital Clínico de la Universidad de Chile en las áreas de investigación, docencia y entrenamiento.