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  • Title: Carotid petrous segment aneurysm presenting as hypoglossal nerve palsy.
    Author: Cano-Duran AJ, Sanchez Reyes JM, Corbalan Sevilla MT, Yucumá D.
    Journal: Neuroradiology; 2021 Mar; 63(3):447-450. PubMed ID: 32997163.
    Abstract:
    Aneurysm in the petrous segment of the internal carotid artery is extremely rare, and symptoms are usually derived from compression of neighbor structures such as nerve palsies. Clinical symptoms can be nonspecific and imaging findings are complex, making the diagnosis of this kind of aneurysms extremely challenging. CT angiography is the best diagnostic tool, and treatment options include surgical and endovascular approaches, the latest being preferred. We report an extremely rare case of an aneurysm in the petrous apex presenting with hypoglossal nerve palsy. We document the aneurysm through CT and confirm it using angiography. We also describe the satisfactory management of this rare case. To the best of our knowledge this an extremely rare aneurism presenting with hypoglossal nerve palsy, in which successful interventional management was achieved through a specific and prompt diagnosis.
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