Primary Cutaneous Sebaceous Carcinoma of the Lower Eyelid Managed with Mohs Micrographic Surgery
Sofia M. Fonseca1*, Diogo R. Silva2 and Ana Catarina Mendes2
1Department of Dermatology and Venereology, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
2Department of Pathology, Instituto Português de Oncologia de Lisboa Francisco Gentil (IPO Lisboa), Lisbon, Portugal
*Corresponding author: Sofia M. Fonseca, Department of Dermatology and Venereology, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal.
E-mail: s.fonseca@chulc-emulation.pt
Received: June 28, 2026; Accepted: July 17, 2026; Published: July 25, 2026
Citation: Fonseca SM, Silva DR, Mendes AC. Primary Cutaneous Sebaceous Carcinoma of the Lower Eyelid Managed with Mohs Micrographic Surgery. J Skin Cancer Case Rep. 2026; 1(1): 102.
Sebaceous carcinoma (SC) of the eyelid is a rare, aggressive cutaneous malignancy arising from the ocular adnexal sebaceous glands, most notably the meibomian glands and glands of Zeis. Due to its inflammatory and indolent early clinical appearance, it frequently masquerades as benign ocular conditions such as chalazion or chronic blepharitis, leading to significant diagnostic delays. We report a case of a 68-year-old female who presented with a painless, persistent nodule on the right lower eyelid initially treated as a recurrent chalazion. Histopathological assessment revealed a moderately differentiated sebaceous carcinoma. The patient underwent complete surgical clearance via Mohs micrographic surgery (MMS) followed by oculoplastic reconstructive surgery. This case highlights the role of tissue-sparing micrographic surgery in preserving eyelid function and minimizing local recurrence in periocular cutaneous malignancies.
Keywords: Sebaceous Carcinoma, Lower Eyelid, Mohs Micrographic Surgery, Meibomian Gland, Periocular Malignancy
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