| CASE REPORT |
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| Year : 2023 | Volume
: 3
| Issue : 2 | Page : 519-520 |
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Rare case of inferotemporal orbital fat prolapse – Clinical, histopathologic, and anterior segment optical coherence tomography correlation
Rama Rajagopal1, Gaurav Chauhan1, Janarthanam J Balaji2
1 Department of Cornea and Refractive Surgery, Sankara Nethralaya, Medical Research Foundation, Chennai, Tamil Nadu, India
2 Department of Optometry, Sankara Nethralaya, Medical Research Foundation, Chennai, Tamil Nadu, India
Correspondence Address:
Rama Rajagopal
Department of Cornea and Refractive Surgery, Sankara Nethralaya, Medical Research Foundation, 41, College Road, Chennai - 600 006, Tamil Nadu
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/IJO.IJO_2736_22
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Orbital fat prolapse (OFP) is the herniation of intraconal fat into the subconjunctival space, which occurs mostly in the superotemporal quadrant and is more common bilaterally. We report a rare case of unilateral inferotemporal OFP and its anterior segment optical coherence tomography (ASOCT) features. On ASOCT, the lesion appeared uniformly smooth with no definite capsule. Fat lobules appeared hyporeflective, while the interlobular septae appeared hyperreflective. A hyporeflective space was noted, separating the fat and the overlying conjunctival stroma. This space was, however, obliterated in the areas corresponding to the maximum convexity of the lobules. These ASOCT findings correlate with the described histopathologic features of the OFP described in literature. Inferotemporal OFP and corresponding ASOCT features, to the best of our knowledge, have not been reported previously. We also propose its role in documenting progression that can aid in surgical decision-making.
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