Lymphoepithelial cysts parotid. It occurs due to the process of lymphocyte-induced cystic ductular dilatation and is always diagnosed postoperatively by histopathological examination (HPE). The presence of BLEC can serve as an indicator of HIV infection, and the diagnosis of HIV-associated BLEC is usually based on clinical course . Aug 27, 2025 · The differential for cystic parotid lesions includes: bilateral cystic parotid lesions Warthin tumor benign lymphoepithelial lesions Sjögren disease sialoceles dysgenetic polycystic disease of salivary glands unilateral cystic parotid lesi Lymphoepithelial cysts, which are benign and slow-growing tumours, usually involve the head and neck regions. Nov 30, 2017 · Open Abstract Benign lymphoepithelial cyst (BLC), also known as branchial cyst, is an infrequent lesion usually occurs in the parotid gland or the lateral cervical area including lymph nodes. The cysts frequently grow to be exceptionally large, Benign lymphoepithelial cyst (BLEC) of the salivary gland is a gradually increasing cystic lesion commonly associated with human immunodeficiency virus (HIV) infection. Introduction: Lymphoepithelial cyst (LEC) is an uncommon benign acquired true cyst, most commonly affecting the parotid gland. Aug 27, 2025 · 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. It occurs due to the process of lymphocyte-induced cystic ductular LYMPHOEPITHELIAL CYST OF PAROTID It is defined as cysts lined by epithelium with underlying stroma showing dense lymphoid aggregates It can be associated with HIV infection Clinical features Site: presents in parotid or upper cervical lymph nodes Age: Most common in adults (peak age is from 2nd to 4th decade) but can occur in children also Sex: male predominance with male to female ratio of 7: Feb 9, 2025 · In addition, it addresses the etiology, pathology, clinical presentation, evaluation, and treatment of “sialocele” that results from glandular or ductal injury, benign lymphoepithelial cyst, epidermal (epidermoid) cyst, dermoid cyst, and hydatid cysts of the parotid gland. Parotid swelling in patients with HIV is often associated with salivary gland disease, including benign lymphoepithelial cysts (BLECs). Benign lymphoepithelial cysts (BLECs) are the most common cause of parotid swelling in human immunodeficiency virus (HIV)-positive patients Benign lymphoepithelial cysts are a widely recognized cause of parotid gland swelling in patients infected with the human immunodeficiency virus (HIV). May 20, 2024 · Benign lymphoepithelial lesions occur in the parotid gland as an early manifestation of HIV infection. Aug 12, 2022 · Unilocular or multilocular cysts that appear in the salivary glands mainly parotid gland Maybe: HIV related as part of diffuse infiltrative lymphocytosis syndrome (DILS) Non HIV related and associated with autoimmune disease (e. In rare instances, it can be seen in immunocompetent patients. Sjögren syndrome) Benign lymphoepithelial cyst (BLC), also known as branchial cyst, is an infrequent lesion usually occurs in the parotid gland or the lateral cervical area including lymph nodes. The origin of this lesion is not yet well understood and it is thought Abstract Approximately 1%–10% of patients with HIV infection have been reported to have salivary gland enlargement. It presents as a painless swelling but may be associated with pain if infected. Here, such a Aug 27, 2025 · 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. These cysts are pathognomonic for HIV. It is slightly more common in males and average age at diagnosis is 5th decade. Rarely, it may cause facial paralysis. Lymphoepithelial cysts are thought to arise from cystic dilatation of terminal salivary ducts from obstruction due to lymphatic proliferation. g. ieo7x 5aqk ljmuv fbb6a2 04 vrq faoa 8fcrg 0tnk rgxkpbq