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Title: Chronological Progression and Management of Syringobulbia Caused by Spinal Hemangioblastoma: A Case Series and Review of the Literature. Author: Tsuchiya T, Takami H, Yoshimoto S, Nambu S, Takayanagi S, Tanaka S, Saito N. Journal: World Neurosurg; 2022 Nov; 167():e127-e136. PubMed ID: 35944861. Abstract: BACKGROUND: Syringomyelia often accompanies spinal hemangioblastoma (SHB). It often shows progression to the medulla oblongata, dubbed as "syringobulbia", which presents critical symptoms such as dysphagia and respiratory compromise. Appropriate management of chronological syringomyelia progression toward syringobulbia is not set in stone. This study aims to unravel the clinical and chronological behavior of syringobulbia and its management. METHODS: A single-institution case series study of 5 patients operated for SHB with syringobulbia was conducted. Serial preoperative magnetic resonance imaging scans were analyzed in further details, especially focusing on the chronological progression of syringomyelia. A literature review was performed to describe clinical/imaging characteristics. RESULTS: Chronological imaging analyses revealed that despite the relatively steady progression of syringomyelia over years, it accelerated when developing syringobulbia. Intramedullary signal change ("presyringomyelia") was observed in the area where syringomyelia subsequently occurred. Literature review yielded another 15 cases of SHB with syringobulbia, totaling 20 cases. Bulbar dysfunction was seen in 4 cases (20%). Gross total resection was performed in all cases except 1, which underwent just syringotomy. Rapid postoperative symptom improvement was observed in all cases, as well as immediate imaging resolution of syringomyelia. CONCLUSIONS: The symptoms associated with syringobulbia often become life-threatening. Notably, its resolution may be near-synchronous to surgical resection of the spinal lesion. The speed of progression of syringomyelia is usually steady, but it may accelerate when extending to syringobulbia. Regular imaging follow-up is thus highly recommended to determine the best timing of intervention when presyringomyelia and syringomyelia are ascending toward the medulla oblongata.[Abstract] [Full Text] [Related] [New Search]