The histologic differential diagnosis includes adenoid cystic carcinoma and pleomorphic adenoma. The malignant tumors include ceruminous adenocarcinoma, adenoid cystic carcinoma, and mucoepidermoid carcinoma. She was diagnosed with adenoid cystic carcinoma of the salivary gland in 2013. The adenoid, unlike the palatine tonsils, has pseudostratified epithelium. After many misdiagnoses, Joe was diagnosed with adenoid cystic carcinoma in 1998. The adenoid is often removed along with the palatine tonsils. Grunewald was diagnosed with adenoid cystic carcinoma, a rare type of cancer, in 2009. For children, tonsillectomy is usually combined with the removal of the adenoid. In case of adenoid hypertrophy, adenoidectomy may be performed to remove the adenoid. It is covered anteriorly by mucosa in the adenoid mass. The term adenoid is also used to represent adenoid hypertrophy. Surgical removal of the adenoid is a procedure called adenoidectomy. Adenoid cystic carcinomas have also been treated. The adenoid may also be removed in which case it is known as an "adenotonsillectomy".