Rapidly Growing and Asymptomatic Skull Base Lesion

Area of Science:

• Neurosurgery
• Neurology
• Otolaryngology

Background:

• Trochlear schwannomas are rare, benign intracranial neoplasms.
• They typically present with diplopia (double vision).
• Surgical excision requires collaboration between neurotologists and neurosurgeons.

Observation:

• This study focuses on a unique case of a trochlear nerve schwannoma.
• The tumor exhibited rapid growth.
• Despite rapid growth, the patient was asymptomatic.

Findings:

• The case demonstrates a trochlear schwannoma with rapid growth but no presenting symptoms.
• The combined petrosal approach is a viable surgical route for such tumors.

Implications:

• This case expands the understanding of trochlear schwannoma presentation.
• It underscores the importance of considering surgical options even in asymptomatic, rapidly growing tumors.
• Highlights the necessity of multidisciplinary surgical teams for complex intracranial neoplasms.