PMC4086554_01
Preoperative picture showing right temporal swelling
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F1
Six months following surgery patient started noticing a swelling in right temporal region which gradually increased to present size with gradual decrease in mouth opening (Figs 1 and 2). 
Decreased mouth opening
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F2
Six months following surgery patient started noticing a swelling in right temporal region which gradually increased to present size with gradual decrease in mouth opening (Figs 1 and 2). 
CT scan of lesion
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F3
Anteroposteriorly completely involving the ramus of the mandible (Fig. 3).
CT scan of secondary lesion showing
involvement of condylar head
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F4
No intracranial extension noted radiologically (Figs 4 to 6).
CT scan of secondary lesion in right temporal
region showing bony cystic lesion
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F5
No intracranial extension noted radiologically (Figs 4 to 6).
PA view showing stump of posterior
border of ramus
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F6
No intracranial extension noted radiologically (Figs 4 to 6).
Intraoperative view
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F7
Inferiorly zygomatic arch was identified and dissection carried out inferior to the arch up to the lower border of the bony cyst (Fig. 7).
Enmass enucleation of cystic lesion
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F8
Complete enmass excision of the cyst done after separating it from condylar head (Figs 8 and 9).
Excise lesion and zygomatic arch
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F9
Complete enmass excision of the cyst done after separating it from condylar head (Figs 8 and 9).
Closure of operative area
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F10
Postoperatively patient recovered uneventfully with improved mouth opening (Figs 10 to 12). 
Postoperative improved mouth opening
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F11
Postoperatively patient recovered uneventfully with improved mouth opening (Figs 10 to 12). 
Postoperative view showing complete healing
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F12
Postoperatively patient recovered uneventfully with improved mouth opening (Figs 10 to 12). 