1. 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 (January 2009)
DOI: /j.pedex
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2. 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: ( /j.pedex )
Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

3. 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: ( /j.pedex )
Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions

4. 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: ( /j.pedex )
Copyright © 2008 Elsevier Ireland Ltd Terms and Conditions