Title: A Rare Localization of Cavernous Hemangioma: Mastoid Bone Involvement
Authors: S. KHAIRALLAH
A. KHALLAF
H.OUAZZANI
.I.CHAOUCHE
A.AKAMMAR
N. EL BOUARDI
Y. ALAOUI LAMRANI
M. BOUBBOU
M. MAAROUFI
B.ALAMI
Volume: 9
Issue: 7
Pages: 20-24
Publication Date: 2025/07/28
Abstract:
Cavernous hemangioma is a benign vascular tumor that primarily affects the cervicofacial region, while mastoid involvement remains exceptional. Diagnosis is based on imaging, where CT reveals a well-defined osteolytic lesion, and MRI shows a T2 hyperintensity with progressive and heterogeneous enhancement after gadolinium injection. However, histological confirmation is essential to exclude other differential diagnoses, particularly malignant tumors. We report the case of a 53-year-old woman with a right retroauricular swelling evolving over 10 years, with no associated neurological signs. MRI revealed an expansive osteolytic lesion, with cortical rupture and invasion of the sigmoid sinus, suggesting a cavernous hemangioma of the mastoid. Histopathological examination confirmed the benign nature of the lesion, justifying regular radiological surveillance in the absence of progressive complications.