Amany Abdelaziz

Bascom Palmer Eye Institute, Miami, Florida, United States

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Publications (4)19.41 Total impact

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    ABSTRACT: To determine incidence of diplopia after glaucoma drainage device (GDD) surgery and to report treatment outcomes. Financial claims data were used to identify patients who underwent GDD surgery (CPT [Current Procedural Terminology] 66180) at the Bascom Palmer Eye Institute from January 2, 1991, through December 31, 2005. After a second claims data search, the medical records of patients diagnosed with diplopia (International Classification of Diseases, 9th Revision code 368.2) and those who underwent extraocular muscle surgery (CPT-4 code 67311-67335) after GDD implantation were reviewed retrospectively. A total of 2,661 patients underwent GDD surgery during the study period. Charges were submitted for 59 patients for strabismus surgery or office visits relating to diplopia. Of these, 27 patients were excluded because medical records did not document diplopia or included pre-existing diplopia, cranial nerve palsy, or diplopia attributed to another ocular procedure. The remaining 32 patients developed diplopia secondary to GDD. Superotemporal quadrant GDDs were identified in 23 eyes and inferonasal quadrant placement in 9 eyes. The 1-year cumulative incidence of diplopia was 1.4%. No patient developed diplopia after 1 year. The mean follow-up after diagnosis for patients with diplopia was 48 ± 27 months (range, 1-124 months). The mean time of onset of diplopia after GDD implantation was 66 ± 62 days, with median onset of 42 days (range, 8-278 days). Treatment of diplopia included prisms in 17 cases (53.1%), no treatment in 13 (40.6%), other therapies in 2 (6.3%), and surgery after prismatic treatment failed in 3 (9.4%). The incidence of diplopia after GDD surgery is low, and most patients are treated with prisms.
    No preview · Article · Apr 2013 · Journal of AAPOS: the official publication of the American Association for Pediatric Ophthalmology and Strabismus / American Association for Pediatric Ophthalmology and Strabismus
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    ABSTRACT: PURPOSE: The purpose of this study was to determine the prevalence of ocular surface squamous neoplasia (OSSN) coexisting with pterygia in South Florida and to study the treatment and related outcomes. DESIGN: Noninterventional retrospective study. PARTICIPANTS: A total of 2005 patients with surgically excised pterygia at the Bascom Palmer Eye Institute from 2000 to 2010. METHODS: Pathology reports of patients with pterygia were reviewed for evidence of OSSN. Patients were divided into the following groups: pterygium and no OSSN (group 1), clinically suspected OSSN with pterygium (group 2), and unexpected OSSN with pterygium found on histopathology (group 3). Clinical charts of patients in groups 2 and 3 were reviewed. MAIN OUTCOME MEASURES: Period prevalence, treatment, and outcome. RESULTS: In surgically excised pterygia, the prevalence of coexistent OSSN was 1.7% (n = 34), of which 41% (n = 14) were clinically suspected preoperatively (group 2) and 59% (n = 20) were unexpectedly found on histopathology (group 3). Clinically suspected OSSN with pterygia was generally treated with wide surgical margins and cryotherapy, whereas unexpected OSSN with pterygia was treated with simple excision, followed by adjuvant interferon treatment in 30% (n = 6). After a mean follow-up of 2 years, there were no recurrences in the suspected OSSN group and 2 recurrences in the unexpected OSSN group. The recurrence rate in the latter group was 11% at 1 year and 24% at 2 years. CONCLUSIONS: Ocular surface squamous neoplasia is uncommonly found to coexist with pterygium. The prognosis in suspected OSSN cases is excellent, with no recurrences noted despite positive margins in 50% of cases. The recurrence rates of unexpected OSSN mirrors that of OSSN not associated with pterygium, and thus vigilance for recurrence is important. FINANCIAL DISCLOSURE(S): The author(s) have no proprietary or commercial interest in any materials discussed in this article.
    No preview · Article · Oct 2012 · Ophthalmology
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    ABSTRACT: To describe the clinical and histologic characteristics of ocular surface squamous neoplasia (OSSN) lesions and provide clinicopathologic correlation to determine clinical features that may indicate higher-grade lesions. Retrospective case series. A total of 612 consecutive OSSN lesions sent to the Bascom Palmer ocular pathology laboratory from January 1, 2001 to September 20, 2010. Pathologic examination of lesions by a single experienced ocular pathologist (S.R.D.). Review of pathology records and patient charts. Correlation of clinical factors and histology of higher-grade OSSN. Over the studied period, 33% of submitted specimens were characterized as mild, moderate, or severe dysplasia; 52% were classified as carcinoma in situ; and 11% were graded as squamous cell carcinoma. Characteristics associated with higher-grade OSSN lesions included male gender, biopsy at Bascom Palmer Eye Institute, temporal and superior locations, lack of corneal involvement, papillomatous and nodular appearance, microscopic multifocality, and positive margins on biopsy. Certain clinical factors are associated with higher-grade histologic lesions. These findings may help clinicians more accurately evaluate and anticipate the pathologic grade of conjunctival and corneal lesions suspected to be OSSN.
    No preview · Article · Jul 2012 · Ophthalmology
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    ABSTRACT: To identify predictors of ocular surface squamous neoplasm (OSSN) recurrence after operative resection. Retrospective case series. Three hundred eighty-nine consecutive patients who underwent excisional biopsy for OSSN lesions at the Bascom Palmer Eye Institute from January 1, 2001, to September 20, 2010. Review of pathology records and patient charts. Identification of factors predictive of OSSN recurrence. Of 389 excised OSSN lesions, 44 recurred during follow-up. The 1-year recurrence rate was 10% and the 5-year recurrence rate was 21%, with a mean time to recurrence in those with a recurrence of 2.5 years (standard deviation, 3.4). Using the American Joint Committee on Cancer (AJCC) clinical staging system, T3 and T2 lesions portended a higher risk of recurrence compared with T1 (T2/T1 hazard ratio [HR], 2.05 [P = 0.04]; T3/T1 HR, 2.31 [P = 0.07]). In addition, a location characteristic that increased the risk of tumor recurrence was tarsal involvement (AJCC T3 stage lesion; HR, 4.12; P = 0.007). Nasal location was associated with a decreased risk of tumor recurrence (HR, 0.41; P = 0.008). Pathologic characteristics significantly associated with tumor recurrence were the presence of positive margins (HR, 2.73; P = 0.008) and higher grade lesions (carcinoma in situ and squamous cell carcinoma versus dysplasia; HR, 2.55; P = 0.02). Treatment with adjuvant cryotherapy significantly decreased the risk of tumor recurrence (HR, 0.51; P = 0.03). In those patients with positive margins, the use of postoperative topical interferon therapy lowered the recurrence rate to a level similar to that of patients with negative margins. Certain patient and tumor factors are associated with a higher risk of OSSN recurrence after operative excision, such as tarsal tumor location and positive surgical margins. Postoperative adjuvant therapy should be considered in patients with high-risk OSSN characteristics. The authors have no proprietary or commercial interest in any materials discussed in this article.
    No preview · Article · Jun 2012 · Ophthalmology