Positive Sentinel Node in Sebaceous Carcinoma of the Eyelid

Section of Ophthalmology, Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.
Ophthalmic plastic and reconstructive surgery (Impact Factor: 0.91). 10/2010; 27(1):e4-6. DOI: 10.1097/IOP.0b013e3181ef7450
Source: PubMed

ABSTRACT Sebaceous carcinoma is a rare cutaneous malignancy that is most frequently found in the eyelids with an estimated risk of regional lymph node metastasis in the 8% to 14% range. The authors have previously reported the use of sentinel lymph node biopsy and microscopically positive sentinel lymph nodes in various eyelid and conjunctival cancers, including conjunctival and eyelid melanoma and Merkel cell carcinoma. The authors herein describe the first successful identification of a microscopically positive sentinel lymph node in a patient with sebaceous carcinoma of the eyelid, suggesting that sentinel lymph node biopsy for sebaceous carcinoma of the eyelid deserves further investigation.

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    ABSTRACT: : To describe current indications, methods, and outcomes of sentinel lymph node (SLN) biopsy for eyelid and conjunctival tumors. : Review of experience to date and relevant articles published in PubMed in English. : The use of SLN biopsy for conjunctival and eyelid tumors has evolved greatly in the past decade, and positive SLNs have been reported for conjunctival and eyelid melanoma, eyelid Merkel cell carcinoma, eyelid sebaceous carcinoma, and eyelid squamous cell carcinoma. Current indications for SLN biopsy of eyelid and conjunctival malignancies are the presence of conjunctival melanomas ≥2 mm in histologic thickness and/or histologic ulceration; cutaneous eyelid melanomas ≥1 mm thick, those with >1 mitotic figures per high-power field, and/or those with histologic ulceration; sebaceous carcinomas ≥10 mm in width; and Merkel cell carcinomas of any size. The frequency of false-negative biopsy results seems to be decreasing as more experience is gained with the technical nuances of the procedure and with the complex lymphatic drainage of the head and neck region. Given the emerging data published on feasibility and reported cases of microscopically positive SLNs identified in patients with otherwise normal examination of the regional lymph nodes and normal imaging studies, it seems appropriate to continue to further evaluate SLN biopsy for selected ocular tumors in future prospective studies. : SLN biopsy is feasible for eyelid and conjunctival tumors, and continued use of the procedure is recommended. Future multi-institutional trials are needed to expand on currently available data, fine-tune patient selection criteria, and elucidate the relationships between SLN status and patient survival and tumor recurrence.
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    ABSTRACT: Sebaceous carcinoma is an uncommon adnexal neoplasm with a documented capability for regional and distant metastasis. Traditionally, sebaceous carcinoma has been associated with high rates of recurrence after excision. To review the current literature on sebaceous carcinoma and detail its epidemiology, pathogenesis, clinical presentation, histopathology, diagnostic workup, treatment, and prognosis. Literature review using PubMed search for articles related to sebaceous carcinoma. Sebaceous carcinoma typically presents as a painless pink or yellow nodule. Diagnosis requires histopathologic examination, and immunohistochemical analysis often assists in the differentiation of sebaceous carcinoma from other benign and malignant skin neoplasms. Sebaceous carcinoma should prompt a workup for Muir-Torre syndrome. Periorbital sebaceous carcinoma has an increased tendency for regional metastasis, although cancer-specific mortality rates are similar among all anatomic locations. Surgery is the preferred treatment for local disease. Limited data suggest that Mohs micrographic surgery may provide superior clinical outcomes, but more research is needed regarding the long-term outcomes. Radiation and systemic chemotherapy are reserved for recurrent or metastatic disease.