Abstract
The specific diagnosis of a hamartoma may create diagnostic difficulties, both grossly and histologically. We observed an infant who was noted at birth to have a hyperpigmented plaque with follicular accentuation and a slight increase in the amount of hair on the anterior abdominal wall. The clinical differential diagnosis included mastocytoma, epidermal nevus, congenital pigmented nevus, and congenital Becker's nevus. The most striking feature of the biopsy specimen was the presence of large numbers of smooth-muscle fibers permeating the dermis, a finding most consistent with a diagnosis of Becker's nevus, although Becker's nevus has not previously been known to be present at birth. <h3>Report of a Case</h3> At birth, a 3 × 4-cm, yellow-brown, slightly hairy, barely palpable plaque (Fig 1) was noted on the anterior abdominal wall of an otherwise normal, full-term, 2.1-kg female infant. When the plaque was stroked, a slight accentuation, with rapid, brief elevation of the
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
