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Clinical features. Presents as a painless unilocular mass near or within the salivary gland. Sporadic and autoimmune related cysts are generally unilateral. HIV associated cysts can be bilateral, with an overall incidence of 3 - 5% in HIV patients.
Oral lymphoepithelial cysts (OLC), also known as intraoral lymphoepithelial cysts (LEC) or tonsillar crypt cysts, usually appear as a white or slightly yellow submucosal nodule. They are soft on palpation, less than 1 cm in size, and the patient usually reports a noticeable, painless swelling.
Benign lymphoepithelial lesions (BLL or BLEL), also misleadingly known as AIDS-related parotid cysts (ARPC), are mixed solid and cystic lesions that enlarge the parotid glands, and are usually associated with cervical lymph node enlargement, and nasopharyngeal lymphofollicular hyperplasia.
Lymphoepithelial cysts or the branchial cysts are the benign, slow growing lesion that occurs mostly in adults with a predilection for gender with 60-80% being female. It occurs in the second and third decade of life and the swelling is usually diffuse, fluctuant and nontender.
A lymphoepithelial cyst is a benign (non-cancerous) growth commonly found in the head and neck. They are less commonly found in other parts of the body. It is called “lymphoepithelial” because it is made up of two parts: lymphoid tissue and epithelial cells.
Benign lymphoepithelial lesions are swellings of salivary glands caused by a reactive lymphoid infiltrate with follicular hyperplasia, which obliterates the acinar glandular tissue and causes proliferation and disruption of ductal epithelium. It may clinically manifest as Sjögren's syndrome.
Benign lymphoepithelial cysts are a widely recognized cause of parotid gland swelling in patients infected with the human immunodeficiency virus (HIV). These cysts are pathognomonic for HIV. The cysts frequently grow to be exceptionally large, causing physical deformity and gross asymmetry of facial contour. This clinical commentary analyzes ...
Terminology. "Branchial cleft-like cyst": used for unusually located cervical lymphoepithelial cysts / branchial cleft cysts (i.e. not in soft tissue of anterolateral neck) Also called branchial-like cleft cyst.
In pathology, lymphoepithelial lesion refers to a discrete abnormality that consists of lymphoid cells and epithelium, which may or may not be benign. It may refer to a benign lymphoepithelial lesion of the parotid gland or benign lymphoepithelial lesion of the lacrimal gland, or may refer to the infiltration of malignant lymphoid cells into ...
The oral lymphoepithelial cyst (LEC) is an uncommon developmental lesion usually discovered as an incidental finding during a routine dental examination.