Congenital and Acquired Pathologies (Differential Diagnosis)

tuha_12a_n.jpg: The schematic drawings show the congenital malformations and masses which have to be considered in the differential diagnosis of congenital medial and lateral cysts and sinuses. Figure tuha_12b_n.jpg: The schematic drawings show the most important acquired pathologies which have to be considered in the differential diagnosis of congenital medial and lateral cysts and sinuses. tuha_12a_n.jpg: 1-4 midline masses (1 thyroglossal duct cyst; 2 epidermoid- and dermoid cysts; 3 median cleft neck; 4 ectopic thryoid gland), lateral masses: a-g (a second branchial anomalies; b preauricular and neck tags; c cystic lymphangioma; d congenital pathologies of the salivary gland; e ranula etc.; f ectopic thymus; g preauricular fistula).