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Year : 2022  |  Volume : 4  |  Issue : 1  |  Page : 13

A novel histopathological classification of chalazion: A series of 540 cases

1 The MUHC-McGill University Ocular Pathology and Translational Research Laboratory, McGill University, Montreal, Canada; Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
2 The MUHC-McGill University Ocular Pathology and Translational Research Laboratory, McGill University, Montreal, Canada
3 Department of Ophthalmology, McGill University, Montreal, Canada
4 Cancer Research Program, The Research Institute of the McGill University Health Centre, McGill University, Montreal, Canada

Correspondence Address:
Dr. Hiroaki Ito
The MUHC-McGill University Ocular Pathology and Translational Research Laboratory, 1001 Boulevard Decarie, Block E, E02-2389, Montreal, QC, H4A 3J1, 514-934-1934 (Ext. 38773)

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/pajo.pajo_112_21

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Introduction: A chalazion is a common localized lipogranulomatous inflammation of the eyelid. Histopathological diagnosis of chalazia is essential to rule out malignancy in particular sebaceous carcinoma. Our aim is to understand and classify the histopathological findings of chalazia and to determine any association with a patient's demographics. Materials and Methods: H and E sections were reviewed and classified into four categories: (1) lipogranulomas only, (2) lipogranulomas with multinucleated giant cells, (3) lipogranulomas with abscess, and (4) fibrosis without lipogranulomas or granulomatous inflammation. Patients' sex, age, and location of the lesion were analyzed. Results: Five hundred and forty cases included men (54.6%) and women (45.4%) with the mean age of 45.3 (13–89; standard deviation, 16.8). Five hundred and eight had information regarding location: left lower eyelid, 21.1%; right lower eyelid, 19.5%; left upper eyelid, 30.5%; and right upper eyelid, 28.9%. Category 1 accounted for 44.6%; category 2, 41.5%; category 3, 7.0%; and category 4, 6.9%. There was no significant correlation between classification and sex (P = 0.210) or age group (0–50 and > 50) (P = 0.369) nor between presence of giant cells and/or abscess and location (P = 0.826). Mean ages of category 1 (47.0) and 2 (43.1) were significantly different (P = 0.011). Conclusion: Four histopathological subtypes were equally distributed across sexes and eyelid locations. Individuals in category 1 are older than category 2. Favoring a systematic way to analyze the histopathology of chalazia may result in fewer missed diagnoses of malignancy and other inflammatory or infectious diseases.

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