A multipurpose CT-guided stereotactic instrument of simple design

Area of Science:

• Neurosurgery
• Medical Imaging
• Radiation Oncology

Background:

• Accurate patient positioning is crucial for stereotactic procedures.
• Existing methods may lack precision or versatility for different applications.
• The need for integrated systems for imaging and treatment delivery.

Purpose of the Study:

• To describe a novel stereotactic instrument for neurosurgical applications.
• To detail its utility in computed tomography (CT) scanning and image-guided procedures.
• To evaluate its application in biopsy and rotational radiotherapy.

Main Methods:

• A radiolucent head ring is fixed to the skull using four pins.
• The ring locks into a frame for CT scanning to derive stereotactic coordinates (x, y, z).
• Compatible supports facilitate locking the head ring for surgical procedures and radiotherapy.

Main Results:

• The system allows for precise derivation of stereotactic coordinates from CT scans.
• It enables accurate patient positioning for both biopsy and rotational radiotherapy.
• The 14 MeV apparatus allows for small radiation fields (2 cm diameter) with rapid dosage fall-off.

Conclusions:

• The described stereotactic instrument provides a versatile and accurate platform for neurosurgical interventions.
• Its integrated design supports both diagnostic imaging and therapeutic applications.
• The system facilitates precise radiation delivery in oncological treatments.