DOI: https://doi.org/10.36347/sasjs.2025.v11i06.008

Pages: 703-707

Backgrounds: Subcutaneous scalp meningiomas are lesions that remain exceptional. Usually spread through iatrogenic ways, they can constitute a post-operative recurrence after the excision of an intracranial meningioma of usual location. The purpose of this study is to describe a rare of subcutaneous scalp meningiomas. Methods: We report a case of falco-sinusal meningiomas that underwent surgical removal. The follow-up was done for 10 years, by annual clinical examinations and brain MRI. The patient presented a recurrence as a subcutaneous scalp meningioma. We compared our case to the literature based on clinical, histological and radiological features. Results: We report the case of a 70 years old man who benefited from a surgical resection of a falco-sinusal meningioma 10 years ago. A year after surgery, a small recurrence at the surgical site was treated with Gamma-Knife radiosurgery with a relapse that led to a second surgery 7 years later. The patient presented three years later 2 scalp tumefactions that were removed. The pathological examination was in favor of a WHO 2016 grade 2 atypical meningioma infiltrating the connective-adipose tissue. Conclusion: Subcutaneous scalp meningiomas form a rare entity which is still under-described. Only 14 cases are reported in the literature. They represent a possible recurrence of a more classicaly located intracranial meningioma. We should consider this diagnosis when facing subcutaneous lesions in previous meningioma operative sites.