What is a parotid adenoma?
Pleomorphic adenomas are benign salivary gland tumors, which predominantly affect the superficial lobe of the parotid gland. The “pleomorphic” nature of the tumor can be explained on the basis of its epithelial and connective tissue origin. The tumor has a female predilection between 30–50 years of age.
How common are adenomas?
How common are pituitary adenomas? Pituitary adenomas make up 10% to 15% of all tumors that develop within the skull. They are found in about 77 out of 100,000 people, although it is believed that they actually occur in as many as 20% of people at some point in their lives.
What is a sebaceous adenoma on the face?
Sebaceous adenoma is a rare, benign tumor of sebaceous glands. Approximately 70% of lesions develop on the head and face, with the nose and cheek most commonly affected; 30% of lesions occur on the neck, trunk and extremities.
How is sebaceous adenoma (SA) diagnosed?
The diagnosis of sebaceous adenoma is predominantly based on the characteristic pathologic features. Sebaceous adenoma is a rare, benign tumor of sebaceous glands. Approximately 70% of lesions develop on the head and face, with the nose and cheek most commonly affected; 30% of lesions occur on the neck, trunk and extremities.
What is the difference between transitional and sebaceous adenoma?
The transitional cells show more eosinophilic cytoplasm. Sebaceous adenoma may be treated surgically with complete excision or cryotherapy. Surgical treatment of sebaceous adenomas is aimed at completely removing the tumor and preventing regrowth of the tumorous tissue. Solitary tumors are treated by complete surgical removal with a 100% cure rate.
What is sebaceous adenoma with Muir-Torre syndrome?
Sebaceous adenoma is the most common benign sebaceous gland tumor associated with Muir-Torre syndrome. Sebaceous adenomas frequently appear on the face or scalp of middle-aged and older individuals, after age 50 years.