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Concomitant cavernous hemangioma and venous angioma of the orbit
Tatsuo Kodama1, Nobuhiro Tane, Akihiro Ohira
1Department of Ophthalmology, Shimane University School of Medicine, Izumo, Japan. fifa2002@med.shimane-u.ac.jp
Background:
An unusual case of cavernous hemangioma coexisting with venous angioma in the ipsilateral orbit is described.
Case:
A 67-year-old woman had a mass in the lower eyelid of her right eye and proptosis. Imaging examinations showed two masses connected to each other in the extraconal space of the right orbit.
Observations:
Anterior orbitotomy was performed to remove the tumors. Histopathological evaluation of the anteriorly located tumor revealed cavernous hemangioma. The posteriorly located tumor was found to be a venous angioma. Endothelial cells in both tumors showed positive immunostaining for factor VIII-related antigen and smooth muscle actin. Immunoreactivity of smooth muscle actin was more prominent in the interstitium of the posteriorly located tumor.
Conclusion:
Coexistence of cavernous hemangioma and venous angioma in the same area suggests that they are a continuum and of the same origin.
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