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Morphological spectrum of ophthalmic tumors in northern Pakistan
N Ud-Din1, S Mushtaq, N Mamoon
1Department of Histopathology and Morbid Anatomy, Armed Forces Institute of Pathology, Rawalpindi.
Objective:
The objective of the study was to assess the frequency and pattern of ophthalmic tumours in Northern Pakistan.
Methods:
This study included all ophthalmic tumours diagnosed during a one year period (January to December 1992).
Results:
One hundred and fourteen ophthalmic tumours were diagnosed at the Armed Forces Institute of Pathology (AFIP) and Pathology Department of the Army Medical College (AMC), Rawalpindi. Of these tumours, 70 were malignant (61.5%) and 44 were benign (38.5%). The age distribution of malignant ophthalmic tumours had two peaks. The first was seen in the paediatric age group and was mainly due to retinoblastoma. The second peak was seen above 50 years of age and was mainly due to conjunctival squamous cell carcinoma and malignant eyelid tumours which constituted 85% of the malignant ophthalmic tumours in paediatric age group. The average age at presentation of retinoblastoma was 3.8 years. The average age at presentation for squamous cell carcinoma was 56 years. Basal cell carcinoma was the most common malignant eyelid tumour (55%). The most common extraocular malignant orbital tumour was non-Hodgkin's lymphoma. Malignant melanoma of the uvea formed 22% of all melanomas diagnosed during this period. The most common benign tumours were naevi (33%), epidermal inclusion cysts (18%), choristomata (16%) and haemangioma (8%). The malignant ophthalmic tumours constituted 3% of all the malignant tumours diagnosed in Northern Pakistan during 1992 at AFIP and AMC, Rawalpindi.
Conclusion:
The ophthalmic tumours, both benign and malignant are not infrequent in clinical practice in Northern Pakistan.
