Hemangioblastoma of the pons and middle cerebellar peduncle

2024-1-24 17:58

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Satoshi Kiyofuji, MD,1 Harry J. Cloft, MD, PhD,2 Colin L. W. Driscoll, MD,3 and Michael J. Link, MD1 Departments of 1Neurologic Surgery, 2Radiology, and 3Otorhinolaryngology, Mayo Clinic, Rochester, Minnesota A 60-year-old man with a history of four prior operations for a left cerebellar/middle cerebellar peduncle hemangioblastoma presented with hearing loss, imbalance, and ataxia (de la Monte and Horowitz, 1989). Magnetic resonance imaging (MRI) demonstrated a 3-cm cystic mass with heterogeneous enhancement in the same location. We resected the mass via reopening of the retrosigmoid approach (Lee et al., 2014). Left cranial nerves IV, V, VII, VIII, IX, X, and XI were all well identified and preserved, and feeding arteries from the brainstem were meticulously coagulated and transected without violating the tumor-brainstem interface (Chen et al., 2013). Preoperative embolization greatly aided safe resection of the mass, whose pathology revealed recurrence of hemangioblastoma (Eskridge et al., 1996; Kim et al., 2006; Sakamoto et al., 2012).

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AANSNeurosurgery

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