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Fulltext Neuroretinitis with dual infections

Kiu KH, Hanizasurana H, Zunaina E

Int Med Case Rep J, 2015;8:255-8.
PMID: 26527902 DOI: 10.2147/IMCRJ.S91323

A 22-year-old Malay female presented with left eye floaters for 2 weeks, associated with temporal visual field defect and metamorphopsia for 3 days. She has a guinea pig and a hedgehog at home, but denied being bitten or scratched by them. Her visual acuity at presentation was 6/12 on the left eye and 6/6 on the right eye. Her left eye relative afferent pupillary defect was barely positive with mild anterior chamber reaction. Fundus examination of the left eye showed mild vitritis, swollen optic disc with macular star, crops of active choroidal lesions at superonasal retina with a linear arrangement in the form of migratory track nasally. However, there were no nematodes seen on fundus examination. Investigations showed normal full blood count with no eosinophilia and positive serology test for Bartonella henselae. She was diagnosed to have dual infection - diffuse unilateral subacute neuroretinitis (DUSN), based on the presence of crops of choroidal lesions with migratory track, and cat scratch disease (CSD) based on a positive serological test. She was treated with oral albendazole 400 mg 12 hourly for 6 weeks for DUSN and oral doxycycline 100 mg 12 hourly for 4 weeks for CSD. Focal laser had been applied to the area of migratory track in the left eye. Her left eye vision improved to 6/6 at 1 month after treatment, with resolution of neuroretinitis.
Exudative Retinal Detachment due to Coats Disease in a Teenager with Senior-Loken Syndrome: Case Report and Review of Literature

Khairil-Ridzwan KK, Azian A, Hanizasurana H, Shatriah I

Cureus, 2019 Apr 15;11(4):e4460.
PMID: 31205846 DOI: 10.7759/cureus.4460

Senior-Loken syndrome is a rare disorder that presents in the first two decades of life. It commonly manifests with nephronophthisis and retinal dystrophy. We describe a teenager who had end-stage renal failure presenting with bilateral visual impairment due to retinal dystrophy with concomitant unilateral Coats disease and exudative retinal detachment. The patient was treated with a combination of endolaser photocoagulation and external drainage of the subretinal fluid. The final visual acuity remained poor in both eyes. Options of treatment in this challenging situation is discussed in this case report.
Fulltext Successful treatment of syphilitic uveitis in HIV-positive patients

Nurfahzura MJ, Hanizasurana H, Zunaina E, Adil H

Clin Ophthalmol, 2013;7:1651-4.
PMID: 23986629 DOI: 10.2147/OPTH.S46876

We report successful treatment of syphilitic uveitis in a case series of three Human immunodeficiency virus (HIV)-positive patients at Malaysia's Selayang Hospital eye clinic. All three patients with syphilitic uveitis were male, aged from 23 to 35 years old, with a history of high-risk behaviors. Of the patients, two presented with blurring of vision and only one patient presented with floaters in the affected eye. Ocular examination revealed intermediate uveitis (case 1 and case 3) and panuveitis (case 2). Each patient showed a high Venereal Disease Research Laboratory (VDRL) titer at presentation and they were also newly diagnosed as HIV positive with variable CD4 counts. All three patients responded well to a neurosyphilis regimen of intravenous penicillin G. At 3 months posttreatment, there was reduction in VDRL titer with improvement of vision in the affected eye. Diagnosis of syphilis needs to be ruled out in all cases of uveitis. All syphilitic uveitis cases should have HIV screening and vice versa, as syphilis is one of the most common infectious diseases associated with HIV-positive patients. Early detection and treatment are important for a good visual outcome.

Study site: opthamolagy clinic, Hospital Selayang
Fulltext When dermatomyositis patient has blurring of vision - what goes wrong?

Ng CWK, Hanizasurana H, Nor Azita AT, Nor Fariza N, Zabri K

Medicine & Health, 2016;11(2):313-318.
MyJurnal

Cytomegalovirus (CMV) retinitis occurs predominantly in Human Immunodeficiency Virus (HIV) -infected patients. It was also reported in HIV-seronegative patients with systemic autoimmune disorder requiring systemic immunosuppression, organ or bone marrow transplantation, haematological or breast malignancy receiving chemotherapy, ocular diseases following intraocular or periocular corticosteroid injection, diabetes mellitus and Good syndrome. However, CMV retinitis in patients with concurrent dermatomyositis and malignancy has not been previously reported. It has not been reported in cancer other than haematological or breast malignancy, or in cancer patient prior to chemotherapy. We report a case of 40-year-old HIV-seronegative woman with underlying dermatomyositis and lung malignancy who developed right CMV retinitis which relapsed after recommencement of immunosuppressant. Both episodes of CMV retinitis were successfully treated after taken her immunocompromised state into consideration.
Fulltext Unilateral rhino-orbital-cerebral mucormycosis with contralateral endogenous fungal endophthalmitis

Ho HC, Liew OH, Teh SS, Hanizasurana H, Ibrahim M, Shatriah I

Clin Ophthalmol, 2015;9:553-6.
PMID: 25848206 DOI: 10.2147/OPTH.S82204

Rhino-orbital-cerebral mucormycosis (ROCM) is an uncommon but fatal fungal infection. We report a rare case of unilateral ROCM with ipsilateral central retinal artery occlusion and contralateral choroiditis, which later progressed to endogenous fungal endophthalmitis. The patient was successfully treated with sinuses debridement, systemic liposomal amphotericin B, and intravitreal amphotericin B. The endophthalmitis completely resolved with good vision, but the ROCM eye remained blind due to central retinal artery occlusion.
Fulltext Comparison of catalase, glutathione peroxidase and malondialdehyde levels in tears among diabetic patients with and without diabetic retinopathy

Kwong-Han K, Zunaina E, Hanizasurana H, Che-Badariah AA, Che-Maraina CH

J Diabetes Metab Disord, 2022 Jun;21(1):681-688.
PMID: 35673514 DOI: 10.1007/s40200-022-01030-2

BACKGROUND: Various studies suggest that oxidative stress has a role in the etiology of diabetes mellitus (DM) and its complications. Detection of antioxidant enzymes and malondialdehyde (MDA) level in ocular fluid may provide the possible biomarkers for monitoring the progression of diabetic retinopathy (DR). The aim of this study was to compare catalase, glutathione peroxidase (GPx) and MDA levels in tears among diabetic patients with and without DR.
METHODS: A cross-sectional study was conducted among type 2 DM patients. The patients were divided into three groups: no DR, non-proliferative DR (NPDR) and proliferative DR (PDR). Tears samples were collected using Schirmer strips for measurement of catalase, GPx and MDA.
RESULTS: A total of 171 patients were recruited in this study (no DR, 58 patients; NPDR, 57 patients; PDR, 56 patients). There was significant difference in the mean level of GPx in tears between the three groups (no DR, 658.08 ± 115.70 U/L; NPDR, 653.78 ± 87.90 U/L; PDR, 605.31 ± 107.47 U/L, respectively) before and after adjustment for covariates (p = 0.013 and p = 0.001, respectively). Bonferroni post-hoc analysis showed PDR group had significantly lower mean GPx level than in no DR (p=0.001) and NPDR (p=0.037) after adjustment for covariates. There was no significant difference of mean catalase and MDA in the tears between the three groups before and after adjustment for covariates.
CONCLUSION: This study demonstrated that diabetic patient with DR is associated with low level of GPx in tears, suggesting that this antioxidant enzyme is a potential biomarker for predicting the presence of DR.