Approach to the patient with annular skin lesions
- Rashmi Unwala, MD
Rashmi Unwala, MD
- Assistant Professor of Medicine - Department of Dermatology
- College of Medicine, Mayo Clinic
A wide variety of cutaneous and systemic disorders present with annular (ring-like) skin lesions (table 1). The careful assessment of lesion characteristics and accompanying clinical features is valuable for narrowing the differential diagnosis.
Diagnostic clues for the identification of disorders that present with annular lesions will be reviewed here. Greater detail on many of the disorders discussed below is available elsewhere in UpToDate.
Annular skin lesions are figurate lesions characterized by a ring-like morphology. Although plaques represent the most common presentation of annular lesions, lesions may also be macular, nodular, or composed of grouped papules, vesicles, or pustules.
Additional terms that are frequently used to describe the characteristics of annular lesions include:
●Arcuate – Consists of arc-shaped lesions that represent incompletely formed annular lesions (picture 1)To continue reading this article, you must log in with your personal, hospital, or group practice subscription. For more information on subscription options, click below on the option that best describes you:
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- PATIENT ASSESSMENT
- Lesion characteristics
- - Color
- - Scale
- - Vesicles or pustules
- - Purpura
- Lesion progression
- - Expanding lesions
- - Migratory lesions
- Lesion location
- - Photodistributed
- - Acral
- - Genital
- FEBRILE PATIENTS
- DIAGNOSTIC TESTS
- Skin biopsy
- EMPIRICAL DIAGNOSIS OF TINEA CORPORIS
- INDICATIONS FOR REFERRAL
- INFORMATION FOR PATIENTS
- SUMMARY AND RECOMMENDATIONS