Meibomian gland adenoma is originated from the meibomian tissue, which is found on the inner surface of the eye. Adenoma is a disease that is associated with the presence of benign tumors located on the lining of the glandular tissues.

These tissues are modified from sebaceous and are also known as tarsal glands. The secretions from the glands are transferred to the eyelid through the meibomian duct.

When the tumor is formed in this duct, it is referred to as meibomian ductal adenoma. This form of meibomian gland adenoma gives the appearance of having several ducts produced from mutation in basal cells.

It is not necessary that meibomian gland adenoma is the only form of cancer as it can also be epithelioma, ductal adenoma and carcinoma. The meibomian gland adenoma commonly presents itself as benign. Early detection of the disease is important in order to curb the spread of the disease.

But, in case the tumor is not detected, it could grow in size and proliferate leading to malignancy. There have been no reported cases of malignant meibomian gland adenoma.

On the other hand, the occurrence of carcinoma is also very rare. If the patient has a family history of cancer, he will be at a greater risk of developing the disease. Exposure to carcinogenic elements in the environment may also lead to mutational changes in the cells leading to cancer.

If the patient has been treated for cancer, there is always a probability of relapse as the cancer may strike in the meibomian glands, but since it is benign, it is easy to eradicate the tumor.