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Fulltext Optic neuropathy in thyroid eye disease: A case series

Salleh NA, Wong HS, Mohd Isa HD

Korean J Fam Med, 2016 May;37(3):197-201.
PMID: 27274392 DOI: 10.4082/kjfm.2016.37.3.197

In patients with thyroid disease, ocular involvement or thyroid ophthalmopathy is common, irrespective of their thyroid status. A common feature of thyroid eye disease is eyelid retraction, which leads to a classical starry gaze (Kocher sign). Treatment with radioactive iodine (RAI) is a known therapy for hyperthyroidism. However, this treatment may lead to or worsen thyroid ophthalmopathy. We report a case series of two patients with thyrotoxicosis, who presented with an atypical and subtle occurrence of thyroid eye disease (TED) soon after RAI therapy. One of the patients was initially diagnosed and treated for dry eyes; however, over a period of time, the patient's vision progressively deteriorated. Clinical and radiological investigations confirmed thyroid ophthalmopathy with low serum thyroid hormone levels. Both patients recovered well after immediate intensive intravenous steroid treatment. These cases highlight the importance of recognizing partial ptosis as one of the presenting signs of active TED among general practitioners and physicians.
Evaluation of Interleukin-17 and Interleukin-23 in Pterygium: Immunohistochemistry Study

Tiong KI, Mohd Zahidin AZ, Sumugam SKA, Uchang J, Mohd Isa HD

Asia Pac J Ophthalmol (Phila), 2017;6(5):403-406.
PMID: 28868833 DOI: 10.22608/APO.2017134

PURPOSE: To compare the interleukin-17 (IL-17) and interleukin-23 (IL-23) positive cell counts between pterygium and normal conjunctiva.
DESIGN: A case-control study.
METHODS: This study received ethical approval (NMRR Research ID 23957) and informed consent was obtained from all participants. It involved 20 participants with 20 samples of pterygium and 20 samples of normal conjunctiva that were obtained from the same eye of each participant. All the participants underwent history taking, slit lamp examination, and pterygium excision surgery. Both samples underwent immunohistochemistry procedure. Pretreatment procedure was conducted using heat-induced epitope retrieval with PT link, subsequently followed by EnVision FLEX staining procedure and incubation with anti‒IL-17 antibody and anti‒IL-23 antibody. Slides were examined in high-power fields (400x) for both samples in 3 different fields. Total positive stained cell counts in all 3 fields with IL-17 and IL-23 between pterygium and normal conjunctiva were analyzed by using Wilcoxon signed rank test.
RESULTS: IL-17 positive cell counts for normal conjunctiva showed mean 196.10 ± 80.487 but for pterygium was 331.10 ± 108.416. As for IL-23, the mean for positive cell counts for normal conjunctiva was 62.10 ± 33.462 and IL-23 positive cell counts for pterygium showed mean 102.95 ± 41.378. Both IL-17 and IL-23 were significantly increased in pterygium compared with normal conjunctiva (P < 0.001).
CONCLUSIONS: Both IL-17 and IL-23 were found to be significantly higher in the pterygium group than in the normal conjunctiva group with P < 0.001 by Wilcoxon signed rank test.

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