Flashcards in ENT - pediatric neck mass Deck (27)
the majority of pediatric neck masses are ____________ (benign / malignant) and __________ (inflammatory / non-inflammatory
what are the congenital types of lateral neck masses?
- branchial anomalies
- fibromatosis coli (lump of fibrous tissue, scar, and muscle within the SCM)
fibromatosis coli is associated with what condition?
what is the most common congenital lateral neck mass?
type II branchial cleft cyst
at what level are type II branchial cleft cysts located?
level of the cricoid and anterior to SCM
embryologically type II branchial cleft cysts are remnants of the division between the _____________
2nd and 3rd branchial arch
what is the location / origin of type II branchial cleft cysts?
skin and path between bifurcation of carotid
embryologically type I branchial cleft cysts are remnants of the division between the _____________
1st and 2nd branchial arch
type III branchial cleft cyst is aka:
piriform sinus fistula
embryologically type III branchial cleft cysts are remnants of the division between the _____________
3rd and 4th branchial arch
what is the location / origin of type III branchial cleft cysts?
ipsilateral piriform sinus
what is the location / origin of type I branchial cleft cysts?
auricle and ear canal, and intertwined with facial nerve
what is the most common cause for quick onset of lateral neck mass?
acute viral lymphadenitis
what are the two most common causative agents for acute bacterial lymphadenitis?
- s. aureus
- group A beta hemolytic strep
- presents with what apepars to be an infected and slowly enlarging neck mass
- no associated illness and no discomfort or tenderness to palpation
- gradual violaceous changes to the overlying skin with palpable fluctuance
- PPD often positive
atypical mycobacterial infection
what is the treatment for atypical mycobacterial infection? what is unusual about it?
- supplemental abx
- very slow growing, not a lot of turnover for abx to take effect
what is the presentation for cat scratch disease? how is it diagnosed?
- skin lesion at site of inoculation
- body aches, malaise, low grade fever
- diagnosed with serology for antibodies
most congenital neck masses are lined with _____________ epithelium
what are the noninfectious etiologies of lateral neck masses?
- castelman disease
what are the midline neck masses?
- thyroglossal duct cyst
- dermoid cyst
- plunging ranula
- thymic cyst
- ectopic thyroid
what is important about the path of a thyroglossal duct?
it goes through the body of the hyoid
what is the treatment for hemangioma?
lymphatic malformations are aka:
what is the most common neck malignancy UNDER 6 years of age?
what is the most common malignancy overall in children?
what are the abnormality cutoffs for size and age regarding malignancy in children?
- lymph node over 1 cm under 1 yo
- lymph node over 3 cm over 1 yo
- rapidly enlarging nontender long standing mass with overlying changes in skin