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Abstract
Purpose
To report a rare case of giant pleomorphic adenoma of the lacrimal gland involving the palpebral lobe causing severe mechanical ptosis and visual field defect, which was removed successfully.
Case Summary
An 82-year-old man visited our clinic with a large protruding mass on his left upper lid that had grown for approximately 10 years causing severe ptosis. Preoperative orbital CT showed a 2.3 × 2.0 cm sized large mass which was suspicious of hemangioma. The mass was completely excised through a lid crease incision. The histopathologic examination showed typical findings of pleomorphic adenoma. After the surgery, preoperative mechanical ptosis was completely resolved and during the 6 months of followup, there was no abnormality of tear secretion and evidence of tumor recurrence.
References
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Figure 2.
(A) Orbit CT shows a 2.3×2.0 cm sized, round, demarcated huge mass protruding to the upper lid. (B) The mass is contrast enhanced and at first, radiological impression was hemangioma.
Figure 3.
(A) Through upper lid crease incision and dissection, almost totally exposed mass was seen. (B) The removed mass was well encapsulated and round firm shaped and 2.3×2.0×2.0 cm in size.
Figure 4.
(A) Histopathologic finding shows numerous tubular or glandular structures embedded in myxoid stroma (hematoxylin- eosin, ×40). (B) The tubules are lined by two layers of cells. The inner layer has columnar epithelial cells with eosinophilic cytoplasm, and the outer layer is made up of myoepithelial cells. Scattered spindle cells in myxoid stroma are also seen (hematoxylin-eosin, ×400).
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