Chronic annular lesions of the cheeks

Generalized annular skin lesions.

Volume 87, Number 7 www.aafp.org/afp American Family Physician 513 A 32-year-old woman presented with a pruritic skin rash that had appeared intermittently for two years. Initially, the rash involved multiple papules and small plaques on the face, neck, and trunk. The lesions progressed to large plaques with centrifugally spreading edges and central clearing. The patient did not have fever or j...

Annular lesions in congenital syphilis.

[Annular lesions induced by a chlorine tablet].

Multiple factors are implicated in the pathogenesis of acne, including the proliferation of Propionibacterium acnes, which stimulates the production of proinflammatory cytokines such as interleukin (IL) 8, IL-1-b, and TNF-a. It would therefore seem obvious that these mediators play a role in the pathogenesis of the inflammatory lesions of acne.2 The most common treatment for severe acne with a ...

Multiple annular erythematous lesions with trailing scale.

A 6-year-old boy presented with recurrent pruritic scaly lesions all over trunk for last 2 years. These lesions appeared spontaneously and resolved in 4-8 weeks without any sequale. Rest of the history was non-contributory and no other family member was having similar lesions. On examination, multiple, annular erythematous lesions with trailing scale at the inner border were present on trunk (F...

Differential Diagnosis of Annular Lesions -- American Family Physician

www.aafp.org/afp AMERICAN FAMILY PHYSICIAN 289 believed to be caused by invasive worms. The main causes belong to three genera: Trichophyton, Microsporum and Epidermophyton. The most common cause of tinea corporis in the United States is infection with Trichophyton rubrum, Trichophyton tonsurans, Trichophyton mentagrophytes and Microsporum canis. All dermatophytes are aerobic, and they share th...