Retropharyngeal fibrolipoma: A counterchanging obstructive pattern in sleep apnea Hao-Chun Huang, Hsueh-Yu Li International Journal of Pediatric Otorhinolaryngology Extra Volume 4, Issue 1, Pages 45-48 (January 2009) DOI: 10.1016/j.pedex.2008.06.002 Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions
Fig. 1 (A) Preoperative flexible fiberoptic nasopharyngoscopy shows smooth bulging of retropharyngeal space from posterior to anterior, causing narrowing of the pharynx. (B) Enlarged space of the pharynx after excision of the retropharyngeal fibrolipoma. International Journal of Pediatric Otorhinolaryngology Extra 2009 4, 45-48DOI: (10.1016/j.pedex.2008.06.002) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions
Fig. 2 (A) Preoperative sagittal T1-weighted MRI reveals a heterogeneous solitary submucosal mass at the retropharyngeal space with compression to the tongue base. (B) Expansion of pharyngeal airspace after operation. International Journal of Pediatric Otorhinolaryngology Extra 2009 4, 45-48DOI: (10.1016/j.pedex.2008.06.002) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions
Fig. 3 Histopathological examination showed proliferation of mature adipose tissue admixed with fibrous tissue consistent with fibrolipoma (hematoxylin and eosin stain, original magnification 400×). International Journal of Pediatric Otorhinolaryngology Extra 2009 4, 45-48DOI: (10.1016/j.pedex.2008.06.002) Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions