Presentation
Headache after trauma
Patient Data
Incidental detection of nodular calcification of falx in non-contrast CT scan of the brain, during the evaluation of post-traumatic headache in a 10-year-old child. Subtle calcification of both choroid plexus is also seen. Non-contrast CT scan of the brain otherwise revealed no significant abnormality. Mucosal thickening is noted in visualized bilateral paranasal sinuses, more on the right side.
Case Discussion
Intracranial calcification can be either physiological or pathological. Pineal gland, choroid plexus and habenula are the most common sites of physiological intracranial calcifications. Physiological calcifications are usually incidentally detected and are more common in older populations. In pediatric age group choroid plexus and pineal gland calcification are quite common incidental findings during CT scan of brain. However, falx ossification is quite rare in children, with a reported incidence of <6% in children of less than 15 years of age.
It is also important to know that falx calcifications can be associated with certain medical disorders such as basal cell nevus syndrome, endocrine disorders (e.g. hyperparathyroidism), chronic renal failure, and vitamin D intoxication.
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