Abstract
Annular skin lesions in childhood. Review of the main differential diagnoses
Highlights
Annular lesions are extremely common in daily clinical dermatological practice, but can be misleading for general practitioners unfamiliar with them
The lesions appear as macules circular or ovoid, or plaques with an erythematous border and a clear center
The most common cause of annular lesions found in the adult and child population is ringworm, which can be successfully diagnosed without a biopsy, in typical cases
Summary
Annular lesions are extremely common in daily clinical dermatological practice, but can be misleading for general practitioners unfamiliar with them. The term “annular” is derived from the Latin word “ring”. The lesions appear as macules (changes in skin color) circular or ovoid, or plaques The most common cause of annular lesions found in the adult and child population is ringworm, which can be successfully diagnosed without a biopsy, in typical cases. Conditions other than this, may present the same clinical appearance (Table 1). Various mechanisms have been proposed to explain the annular configuration of lesions, not always satisfactory. One of the proposed mechanisms is based on irrigation, so that each round macula represent the territory irrigated by a single arteriole. Other authors consider that it could be centrifugal extension of a pathological process, whether infectious, neoplastic or allergic phenomenon
Sign-in/Register to view highlights & summary 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.
