Originally published at Pediatric Emergency Playbook on October 1, 2019 – Visit to listen to accompanying podcast. Reposted with permission.
Follow Dr. Tim Horeczko on twitter @EMTogether
The Rule of 3s:
3 minutes — Traumatic
3 days — Inflammatory
3 months — Neoplastic
3 years — Congenital
3 Minutes? Traumatic

3 Days? Inflammatory
Cervical Node Chain; Lymphadenopathy
Bacterial Lymphadenitis
Bacterial lymphadenitis with small abscess
Large Abscess
3 Months? Neoplastic


3 Years? Congenital
Thyroglossal Duct Cyst
Thyroglossal Duct Cyst
Branchial Cleft Cyst
Branchial Cleft Cyst
Branchial Cleft Cyst
Cystic Hygroma
Cystic Hygroma
Selected References
Enepekides DJ. Management of congenital anomalies of the neck. Facial Plast Surg Clin North Am 2001; 9:131.
Lin ST, Tseng FY, Hsu CJ, et al. Thyroglossal duct cyst: a comparison between children and adults. Am J Otolaryngol 2008; 29:83.
Mandell DL. Head and neck anomalies related to the branchial apparatus. Otolaryngol Clin North Am 2000; 33:1309.
Marler JJ, Mulliken JB. Current management of hemangiomas and vascular malformations. Clin Plast Surg 2005; 32:99.
Silverman, J. F., Gurley, A. M., Holbrook, C. T., Joshi, V. V. (1991) Pediatric fine needle aspiration biopsy. American Journal of Clinical Pathology 95: 653–659
Sonnino RE, Spigland N, Laberge JM, Desjardins J, Guttman FM. Unusual patterns of congenital neck masses in children. J Pediatr Surg. 1989 Oct;24(10):966-9.