Related Experiment Videos
Experiences with CT-guided stereotaxic biopsies in 121 cases
H Niizuma1, T Otsuki, T Yonemitsu
1Division of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan.
Acta Neurochirurgica. Supplementum
|January 1, 1988
Summary
CT-guided stereotaxic needle biopsy is a safe and accurate method for diagnosing suspected brain tumors. While diagnostic accuracy reached 81%, small sample sizes can sometimes limit definitive results.
Area of Science:
- Neurosurgery
- Oncology
- Radiology
Background:
- Accurate diagnosis of brain tumors is crucial for effective treatment planning.
- Minimally invasive biopsy techniques are preferred to reduce patient risk.
Purpose of the Study:
- To evaluate the safety, accuracy, and diagnostic yield of CT-guided stereotaxic needle biopsy for suspected brain tumors.
- To identify factors that may affect diagnostic accuracy.
Main Methods:
- A CT-guided stereotaxic technique was employed for needle biopsy in 121 patients with suspected brain tumors.
- Biopsy samples were analyzed histologically to determine the accuracy of diagnosis.
Main Results:
- The study included 121 cases of suspected brain tumors.
- Accurate diagnoses were achieved in 98 out of 121 cases, resulting in an 81% diagnostic accuracy.
- Limitations included small sample sizes in cases with old hematoma, cystic tumors, or previously treated lesions.
Conclusions:
- CT-guided stereotaxic needle biopsy is a safe and accurate minimally invasive technique for diagnosing brain tumors.
- Diagnostic accuracy can be affected by the quality and quantity of the obtained tissue sample.
- Careful evaluation of histological material is necessary, considering potential limitations of the biopsy technique.