Tubercle Lymphoid

Lymphoid tubercles are rounded elevations ranging in size from a pea to a hazelnut, formed by loose accumulations of lymphoepithelial cells surrounded by a narrow connective tissue ring. They are most often detected in the parotid (in this area one tubercle is found in 79-84% of cases), submandibular, pharyngeal and cervical nodes. When they are small, they may not be palpable; when enlarged, they can be detected through the skin over them. Histological structure: clusters of lymphocytes lie inside the loose connective tissues surrounding them. At different ages, the number and size of tubercles