The effect of direct cell injury inflicted by cryotherapy on eyelid sebaceous gland carcinoma cells: An ex-vivo experimental study
Open Access
- 1 January 2022
- journal article
- research article
- Published by Medknow in Indian Journal of Ophthalmology
- Vol. 70 (2), 630-633
- https://doi.org/10.4103/ijo.ijo_1814_21
Abstract
Purpose: To evaluate the effect of direct cell injury of cryotherapy on eyelid sebaceous gland carcinoma cells by an ex vivo cryotherapy experiment. Methods: It was a prospective interventional case series. Six patients with biopsy-proven nodular sebaceous gland carcinoma were included. After excision of the mass, a thin slice of the mass resembling the thickness of the conjunctiva was shaved off and was oriented over the broad end of a tissue forceps. Cryotherapy was applied to both its anterior and posterior aspects by the triple freeze-thaw technique. The mass was then labeled and sent separately for histopathological evaluation by fixation and staining. Results: A total of six patients with a mean age of 58.2 ± 15.5 years were included. There were four females and two males. The mean duration of the lesion was 21.6 ± 17.51 months. All patients had involvement of the upper eyelid. The patients were clinically staged as T2b (n=2), T1a (n=2), T2c (n=1), and T3a (n=1) respectively. There was no regional lymphadenopathy or metastasis in any of the cases. The experimental cryo-tissue containing the cryo-treated lesion revealed the presence of viable tumor cells (>50%) in all six specimens. Conclusion: The direct cell injury caused by cryotherapy may not be sufficient to kill all the residual sebaceous gland carcinoma cells on the tumor bed.Keywords
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