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February 1991

Lipomatous Hamartoma of the Orbit

Author Affiliations

From the Departments of Pathology and Ophthalmology, University of Arkansas for Medical Sciences, Little Rock (Dr Brown), and the Department of Ophthalmology, University of Cincinnati (Ohio) Hospital (Drs Kersten and Kulwin).

Arch Ophthalmol. 1991;109(2):240-243. doi:10.1001/archopht.1991.01080020086050

• Proliferations of mature adipose tissue, while common in retroperitoneal and subcutaneous sites, rarely occur in the orbit. We describe the clinical, radiographic, and histopathologic findings of a nonencapsulated lipomatous tissue overgrowth of the right orbit in a 35-year-old man. The mass had caused proptosis since childhood and was apparently present since birth. Due to the age at onset, the histologic similarity to normal orbital fat, and the lack of encapsulation or choristomatous elements, we propose the term lipomatous hamartoma for this entity.