Basal Cell Adenoma of Parotid Gland: Uncommon Entity

Basal cell adenoma is a rare benign neoplastic lesion. It is very challenging to diagnose basaloid tumors predominantly basal cell adenoma of the salivary gland. The most frequent region is at the parotid gland even though other sites are possible. It represents 1-3% of all cases of salivary gland neoplasms seen affecting patients between their fifth and seventh decades (predominant in females). A 65 years old, Malay male with left parotid mass for investigation presented with left infra-auricular swelling. On examination, noted a palpable mass over the infra-auricular region. A contrasted Computed Tomography (CT) Neck noted left parotid lesion with a single lymph node which may represent necrotic node. Subsequently proceeded with excision of left intra-parotid mass and was sent for a biopsy. Biopsy revealed, basaloid salivary gland neoplasm which the overall morphology favored basal cell adenoma. Basal cell adenoma, is a rare case which has been rarely reported in both local and international literatures. This case write up is done to enlighten regarding the incidence, natural history and outcome of this disease.