Congenital Thymic Cyst
Unilocular or multilocular epithelial lined cavity with thymic tissue in the wall of the cyst. They are benign and found in the neck and mediastinum, following embryologic movement of the thymus from the mandibular angle to the manubrium of the sternum.
Congenital thymic cysts are very rare.
Congenital thymic cyst can occur at any age. When present in children, they occur as masses in the neck, while in adults, they are mostly asymptomatic, unless there is compression of some organs or structures nearby.
There is no predilection for either sex.
Congenital thymic cysts occur in the neck and mediastinum, usually anterosuperior.
Surgical excision if symptomatic.
Since congenital thymic cysts are benign lesions, surgery is curative, unless malignant neoplasm is present when additional treatment is needed.
Congenital thymic cysts are usually unilocular but can be also multilocular. If in the neck region they...
References and Further Reading
- Shimosato, Y., Mukai, K., & Matsuno, Y. (2010). Thymic cyst. In S. G. Silverberg (Ed.), AFIP Atlas of tumor pathology. Tumors of the mediastinum (pp. 262–263). Washington, DC: American Registry of Pathology.Google Scholar