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Stereotactic radiosurgery (SRS) is generally considered a substitute for cranial cavernous malformations (CCMs). However, prognostic factors for post-radiosurgery CCM rebleeding and adverse radiation effects have not been well evaluated, and the effect of timing and optimal treatment remains controversial. Therefore, this study evaluated prognostic factors for post-radiosurgical rebleeding and focal edematous changes in 30 patients who developed symptomatic intracranial hemorrhage due to solitary non-brainstem CCM and received linear accelerator (LINAC) SRS in a single medical center from October 2002 to June 2018. An overall post-radiosurgical annual hemorrhage rate with 4.5% was determined in this study. In addition, a higher marginal dose of >1600 centigray and earlier LINAC SRS intervention were correlated with a significantly lower post-radiosurgical annual hemorrhage rate. A lesion size larger than 3 cm3 and a coexisting developmental venous anomaly were significant risk factors for post-radiosurgical focal brain edema but mostly resulted in no symptoms and were temporary. This study demonstrated the efficacy of LINAC SRS in preventing CCM rebleeding and suggests that earlier radiosurgery treatment with a higher dose for non-brainstem symptomatic CCMs be considered.

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BACKGROUND: Intestinal perforations and fistulas are common complications of Crohn's disease. However, chronic perforation with peritoneal space to rectal and vaginal fistulas have not been previously reported. CASE PRESENTATION: A 38-year-old female suffered from progressive lower abdominal pain, diarrhea and weight loss. Terminal ileal chronic perforation with intra-abdominal abscess, peritoneal space to rectal and vaginal fistulas were noted. The patient received surgical resection of the cecum and terminal ileum, and then vedolizumab treatment. Three months later, she had complete fistula closure, and her body mass index had increased from 13 to 22. CONCLUSION: Vedolizumab combined with stool diversion is effective at treating Crohn's disease with chronic perforation and complex peritoneal space to rectal and vaginal fistulas.

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BACKGROUND: Traumatic aneurysms at the superior cerebellar arteries after head injury are extremely rare and may be overlooked. Rupture of these aneurysms can cause fatal intracranial hemorrhages; thus, early identification of the entity helps prevent detrimental outcomes. OBSERVATIONS: A patient suffered from sudden severe headache and decreased consciousness level several weeks after a blunt head injury. He received surgery to remove a progressive enlarging subdural hematoma. The diagnosis of a traumatic aneurysm at the superior cerebellar artery was delayed, made only after a recurrent subdural hemorrhage occurred. He received another surgery to obliterate the aneurysm. LESSONS: The patient could have been treated earlier if traumatic aneurysm had been suspected in the beginning. In addition to the case, the authors also reviewed the literature to clarify the pathophysiology, clinical presentation, diagnosis, and management of the disease.

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OBJECTIVES: Prolotherapy or proliferative therapy is a treatment option for damaged connective tissues involving the injection of a solution (proliferant) which theoretically causes an initial cell injury and a subsequent "proliferant" process of wound healing via modulation of the inflammatory process. Nonetheless, the benefits of dextrose prolotherapy have not been adequately evaluated. Therefore, the present study assesses the effectiveness and superiority of prolotherapy separately in treating dense fibrous connective tissue injuries. METHODS: PubMed, Scopus, and Embase were searched from the earliest record to February 18, 2019. This study included randomized controlled trials whichBoth analysis at individual studies level and pooled meta-analysis were performed. RESULTS: Ten trials involving 358 participants were included for review. At study level, the majority of comparisons did not reveal significant differences between dextrose prolotherapy and no treatment (or placebo) regarding pain control. The meta-analysis showed dextrose prolotherapy was effective in improving activity only at immediate follow-up (i.e., 0-1 month) (standardized mean difference [SMD]: 0.98; 95% confidence interval [CI]: 0.40-1.50; I = 0%); and superior to corticosteroid injections only in pain reduction at short-term follow-up (i.e., 1-3 month) (SMD: 0.70; 95% CI: 0.14-1.27; I = 51%). No other significant SMDs were found in this analysis. CONCLUSIONS: There is insufficient evidence to support the clinical benefits of dextrose prolotherapy in managing dense fibrous tissue injuries. More high-quality randomized controlled trials are warranted to establish the benefits of dextrose prolotherapy. REVIEW REGISTRATION: PROSPERO (CRD42019129044).

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