Pediatric emergency medicine trisk 2490 2490
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FIGURE 96.15 Severe seborrheic dermatitis (yellow, greasy-appearing plaques). (Reprinted
with permission from Kyle T, Carman S. Essentials of Pediatric Nursing . 2nd ed. Philadelphia,
PA: Lippincott Williams & Wilkins; 2012.)
Fontanelles. The anterior fontanelle, situated at the junction of the coronal and
sagittal sutures, usually measures about 2 cm × 2 cm (can be up to 5 to 6 cm in its
long axis) and normally closes between 9 and 18 months (range 6 to 24 months).
The posterior fontanelle, situated at the junction of the lambdoidal and sagittal
sutures, generally measures between 0.5 and 1 cm (may be closed at birth in some
cases) and usually closes to palpation by 3 to 4 months of age. Enlarged
fontanelles may be associated with a variety of conditions, including prematurity,
