Otogenic sigmoid sinus thrombosis is a rare complication of otitis media. Early treatment with broad-spectrum antibiotics combined with simple mastoidectomy is the standard treatment. Anticoagulants represent a safe treatment option if they are administered correctly.
A careful otologic and neurological examination, including the head impulse test and caloric testing, is mandatory. Because ischemic events cannot be diagnosed in computed tomographic scans at an early stage, we strongly recommend to perform cranial magnetic resonance imaging within 48 hours from admission if vertigo has not improved under conservative treatment.
In our opinion, sudden unilateral sensorineural hearing loss alone is not a reliable indicator of CSVT. In combination with headache or visual impairment, this rare vascular disease should be taken into account.
Skull base metastases are rare conditions. Usually breast or prostate cancers are responsible primary tumors. Definite diagnosis can only be obtained through biopsies. We report the first case of breast cancer metastases into left occipital condyle, which was biopsied successfully through radical extended mastoidectomy under computer-assisted intraoperative navigation. This access proved to be feasible and safe, and enough material could be obtained for histological examination. According to the result, optimal adjuvant treatment strategies could be planned.
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