Calcification of the Falx Cerebri: A Clue to Occult Malignancy

Introduction

Calcification of the falx cerebri, a structure separating the cerebral hemispheres, is commonly observed on computed tomography (CT) scans and is typically considered a physiological finding. However, a recent study suggests that calcification of the falx cerebri may also be a sign of an underlying metastatic tumour.

Metastatic Tumours and Calcification

Metastatic tumours, which spread from other parts of the body to the brain, can sometimes undergo calcification, especially in patients undergoing treatment with radiation or chemotherapy. This calcification is thought to occur as a result of the deposition of calcium salts within the tumour cells.

Implications for Clinical Practice

The findings of this study have implications for clinical practice. Clinicians should be aware that calcification of the falx cerebri, although often a benign finding, can also be a sign of an underlying metastatic tumour. In patients with calcification of the falx cerebri, a thorough medical history and examination, along with appropriate imaging studies, should be conducted to rule out the presence of a metastatic tumour.

Conclusion

Calcification of the falx cerebri, while often considered a physiological finding, may also be a sign of an underlying metastatic tumour. Clinicians should be aware of this potential association and consider further evaluation in patients with this finding.