Parotid duct bleeding, presentation of malignant parotid gland papillary cystadenocarcinoma: rare case report

Papillary cystadenocarcinoma was first described in 1991 by World Health Organization as a separate entity. Papillary cystadenocarcinoma (PCA), is one of the rarest malignancies of the salivary glands, known also as mucin-producing adenopapillary carcinoma, it’s a slow growing tumor of the salivary glands. It has a higher incidence in the submandibular gland followed by the parotid gland and minor salivary glands.3 It accounts for 2% of all salivary glands neoplasms.