Abstract
Purpose:To evaluate the role of fine needle aspiration (FNAC) as a diagnostic tool in cases of orbital and ocular adnexal masses. Cytological findings were correlated with histopathological diagnosis wherever possible.Methods:FNAC was performed in 29 patients of different age groups presenting with orbital and ocular adnexal masses. Patients were evaluated clinically and investigated by non-invasive techniques before fine needle aspiration of the masses. Smears were analyzed by a cytologist in all cases. Further, results of cytology were compared with the histopathological diagnosis.Results:The age of patients ranged from 1 to 68 years (mean: 29.79±19.29). There were 14 males and 15 females with a male to female ratio of 0.93:1. Out of 29 cases, 26 aspirates were cellular. Cellularity was insufficient in three (10.34%) aspirates. Out of 26 cellular aspirates, 11 were non-neoplastic while 15 were neoplastic on cytology. Subsequent histopathologic examination was done in 21/26 cases. Concordance rate of FNAC in orbital and ocular adnexal mass lesions with respect to the precise histologic diagnosis was 90%.Conclusion:When properly used in well-indicated patients (in cases where a diagnosis cannot be made by clinical and imaging findings alone), FNAC of orbital and periorbital lesions is an invaluable and suitable adjunct diagnostic technique that necessitates close cooperation between the ophthalmologist and cytologist. However, nondiagnostic aspirates may sometimes be obtained, and an inconclusive FNAC should not always be ignored.
Highlights
IntroductionThe concept of Fine needle aspiration cytology (FNAC) was proposed by Martin and Ellis (1930).[2] Schyberg first used fine‐needle aspiration biopsy for diagnosis of orbital tumors in 1975.[3] Zajdela et al introduced a modified technique (cytopuncture/non‐aspiration) in which cutting edge of the needle is used to dislodge material
Benign tumors reported in the present study were one each of shwannoma [Figure 3c], meningioma, Pleomorphic adenoma [Figure 1c and d] and solitary fibrous tumor (SFT)
Fine needle aspiration cytology of orbital lesions is increasingly popular, but very few series of orbital and intraocular lesions diagnosed by this technique have been published from India.[9,10,11,12,13,15,16]
Summary
The concept of FNAC was proposed by Martin and Ellis (1930).[2] Schyberg first used fine‐needle aspiration biopsy for diagnosis of orbital tumors in 1975.[3] Zajdela et al introduced a modified technique (cytopuncture/non‐aspiration) in which cutting edge of the needle is used to dislodge material.
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