baby with neck mass

Question 1

baby with neck mass - differentials

Answer 1

benign

• lipoma
• fibromatosis colli
• branchial cleft cyst

malignant / scary

• cervical lymphadenopathy
• rhabdomyosarcoma
• lymphoma

Question 2

baby with fibromatosis colli - what is it

Answer 2

colli = neck
fibromatosis = fibroma forming where it shouldn’t
its a mass on the sternocleidomastoid, caused by fibroblast proliferation

Question 3

baby with fibromatosis colli - complications

Answer 3

plagiocephaly
facial asymmetry
permanent loss of neck range of motion
scoliosis

Question 4

baby with fibromatosis colli - management, prognosis, 2nd line

Answer 4

initial
physiotherapy - gentle passive stretching exercises, 3 times a week
active positioning of head , encourage baby to sleep facing affected side
usually 90% improve by 3-4 months if treated correctly
if not improved -> surgery, ?botox

Question 5

fibromatosis colli in babies - prognosis with nonsurgical management

Answer 5

usually 90% improve by 3-4 months if treated correctly