Left frontal GBM: what to know

GBM is commonly used for glioblastoma, a high-grade glioma. The frontal lobe helps with planning, attention, behaviour, movement, and aspects of language. The exact effects depend on the tumour’s position, size, swelling, and relationship to nearby brain networks; a left frontal tumour does not cause identical symptoms in every person.

Symptoms can include new seizures, headaches, weakness, changes in speech, slower thinking, or altered behaviour. Imaging helps define the area, while tissue obtained during surgery or biopsy provides the diagnosis. Your team may explain the findings in terms of what can be safely treated and what functions need protection.

Care may involve brain tumour surgery to obtain tissue and remove as much tumour as can be safely managed. Radiotherapy may be discussed afterward, along with medicines and rehabilitation for symptoms such as seizures, weakness, or language difficulty. Keep a record of new changes, take prescribed medicines consistently, and bring a support person to appointments if communication or memory is affected.

Call emergency services for a first seizure, a seizure lasting longer than expected, sudden one-sided weakness, new trouble speaking, loss of consciousness, severe worsening headache with vomiting, or difficulty breathing. Contact the treating team promptly for a new or rapidly worsening neurological change.

Which left frontal functions are near the tumour? What is the aim and expected recovery from surgery? How will imaging and tissue findings shape radiotherapy or other treatment?