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  • Title: Cystic sebaceous lymphadenoma of the parotid gland: case report and review of the literature.
    Author: Squillaci S, Marchione R, Piccolomini M.
    Journal: Pathologica; 2011 Apr; 103(2):32-9. PubMed ID: 21797140.
    Abstract:
    Sebaceous lymphadenoma (SL) of the salivary glands is a very rare, benign tumour with distinct histopathologic characteristics and uncertain histogenesis. It is almost exclusively confined to the parotid gland where it occurs generally as a slowly growing mass in elderly patients. Several imaging techniques and fine-needle aspiration cytology (FNAC) can be used for diagnosis, but definitive diagnosis is usually established only by histopathological examination. Such lesions are composed of a varying admixture of islands, duct-like structures and cysts covered with squamous or cuboid and columnar epithelium intermingled with a background of lymphoid stroma, sometimes with lymph follicles. Accurate diagnosis of SL is important since many salivary masses in adults are malignant. We report a case of cystic sebaceous lymphadenoma of the left parotid gland surgically resected in a 70-year-old woman. Fifteen months after surgery, the patient is well, with no evidence of recurrence. Differential diagnostic problems and histogenetic considerations are provided; a comprehensive review of the literature has also been performed.
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