Fluid-Fluid Level Formation: A Rare Finding of Extracranial Head and Neck Schwannomas

References

1. ↵
   Catalano P, Fang-Hui E, Som PM. Fluid-fluid levels in benign neurogenic tumors. AJNR Am J Neuroradiol 1997;18:385–87

   Abstract
2. ↵
   Isobe K, Shimizu T, Akahane T, et al. Imaging of ancient schwannoma. AJR Am J Roentgenol 2004;183:331–36

   CrossRefPubMedWeb of Science
3. ↵
   Wallace CJ, Fong TC, Auer RN. Cystic intracranial schwannoma. Can Assoc Radiol J 1993;44:453–59

   PubMed
4. ↵
   Park CK, Kim DC, Park SH, et al. Microhemorrhage, a possible mechanism for cyst formation in vestibular schwannomas. J Neurosurg 2006;105:576–80

   CrossRefPubMed
5. ↵
   Van Dyck P, Vanhoenacker FM, Vogel J, et al. Prevalence, extension and characteristics of fluid-fluid levels in bone and soft tissue tumors. Eur Radiol 2006;16:2644–51

   CrossRefPubMed
6. ↵
   Tsai JC, Dalinka MK, Fallon MD, et al. Fluid-fluid level: a nonspecific finding in tumors of bone and soft tissue. Radiology 1990;175:779–82

   PubMed