Comparison of standardized echography with magnetic resonance imaging to measure extraocular muscle size.
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Biomedical subjects
Publications and source records attributed to R P Harrie.
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A 75-year-old woman who underwent implantation of an anterior-chamber intraocular lens was noted to have the lens disappear from the anterior chamber four days after surgery and reappear on the eleventh postoperative day. Ultrasound documented the position of the lens as apparently lying posterior to the sclera and anterior to the ciliary body. Extrusion through a cyclodialysis cleft superonasally was the apparent mechanism of exit and reentry. Pseudophakic dislocation is becoming increasingly common.
Uveal melanoma is the second most frequent ocular malignancy after metastasis and the most common primary ocular malignant neoplasm in adults. The diagnosis is usually made from clinical examination and ocular ultrasound. CT and MR may be helpful for further evaluation.