Department of Dermatology, Southwest Hospital, Third Military Medical University, Chongqing, China.
Dermatitis. 2012 Jan-Feb;23(1):44-7. doi: 10.1097/DER.0b013e31823e2061.
Nine patients with recrudescent and centrifugally expanded papuloerythematous eruptions were observed in our outpatient department during the recent 8 years. The patients were all young and middle-aged men presenting with characteristic skin lesions and relapsing each year in the warm humid season. Such an observation has not yet been described in the English literature.
The objective of this study was to describe the clinical characteristics and explore the possible etiologies of our cases. In addition, differential diagnosis with other common figurate erythemas was also reviewed and discussed.
In 5 of the patients, skin-prick testing was performed with common airborne and food allergens, and skin patch testing with the Chinese baseline series of contact allergens was performed, along with histopathologic examinations.
The skin findings in our patients were conspicuous in their papular characteristics of the borders, semicircular arrangement, male predominance, and yearly crescendo of recurrence in warm seasons. Histopathologic examination showed superficial perivascular dermatitis, whereas skin-prick testing and patch testing showed negative results.
Although the etiology of our cases remains unclear at present, the clinical characteristics make them distinct from other well-described figurate erythemas characterized by annular erythematous lesions. We propose the term erythema papulosa semicircularis recidivans to depict a special form of recurrent papuloerythematous figurate erythema of unknown etiology.
在过去的 8 年中，我们的门诊部观察到 9 例复发性离心性红斑样疹患者。这些患者均为中青年男性，表现为特征性皮损，每年温暖潮湿季节反复发作。这种观察尚未在英文文献中描述过。
本研究旨在描述我们病例的临床特征并探讨其可能的病因。此外，还对其他常见图形红斑进行了鉴别诊断。
对 5 例患者进行了常见空气传播和食物过敏原的皮肤点刺试验，以及中国接触过敏原基础系列的皮肤斑贴试验，并进行了组织病理学检查。
我们患者的皮肤表现为边界明显的丘疹特征、半圆形排列、男性为主和温暖季节的逐年加重。组织病理学检查显示浅表血管周围皮炎，而皮肤点刺试验和斑贴试验结果均为阴性。
尽管目前我们病例的病因仍不清楚，但临床特征使其与其他描述明确的以环状红斑样皮损为特征的图形红斑明显不同。我们提出复发性半环形丘疹性红斑的术语来描述一种未知病因的特殊复发性丘疹性红斑样图形红斑。
