Despite the anxiety - provoking appearance of a newborn covered in pustules in the delivery room, no evaluation is needed when non-inflammatory pustules occur in combination with hyperpigmented macules in an otherwise well infant. (med.stanford.edu)
The smallest lesions are small, pigmented macules, while the largest tumors may be 5 cm or more in diameter. (wearethecure.org)
Primary lesions consist of erythematous macules, patches, and small papules. (merckvetmanual.com)