The point prevalence of atopic dermatitis (AD) among Korean adults visiting the Health Service Center for health check-ups was assessed. AD was diagnosed based on the questionnaires filled by patients and through physical examination by dermatologists. A total of 3,563 persons completed the questionnaires, and 2,032 persons were examined by the dermatologists. According to the questionnaires, the prevalence of AD was 7.1%, and from the dermatologists' examination, it was 2.6% overall, which decreased with age significantly. The prevalence in men was higher than that of women. Grading the severity of AD according to their eczema area and severity index scores, 70.6% were classified as being mild, 25.5% moderate, and 3.9% severe. Interestingly, concomitance of psoriasis and AD was found in 0.5% of those examined by the dermatologists. Our results suggest that AD is one of the most common skin diseases not only in children but also in adults in Korea.

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Cutaneous metastasis from breast cancer can occur by direct invasion, lymphatic and vascular spread as well as iatrogenic implantation. Metastasis that occurs by iatrogenic implantation after needle biopsy is very rare but the potential risk must be considered. In this report, we describe a case of breast cancer cutaneous metastasis that occurred by iatrogenic implantation following core needle biopsy. A 53-year-old woman presented with a 1×1 cm sized erythematous nodule at the biopsy site after breast conserving surgery for primary cancer. Histopathological findings confirmed cutaneous metastasis. The possibility of this consequence must be considered when performing needle biopsies.

A 69-year-old male presented with several painful erythematous patches on both palms and trunk several days after receiving iopromide (Ultravist®, Shering, Berlin, Germany). A fixed drug eruption (FDE) due to iopromide was suspected clinically. However, at that time, the patch test with iopromide at the lesion site gave negative results. Three years later, the patient was mistakenly administered iopromide again and patches with vesicles recurred on the same sites as well as on the genitalia. This episode was repeated once again after 1 year. In all episodes, the skin lesion resolved after application of topical steroids. Although a patch test with iopromide was negative in our case, we made a diagnosis of FDE due to iopromide because the skin lesions occurred again at the previously involved area after re-exposure to iopromide. To date, only three cases of FDE caused by non-ionic monomers have been documented in the English literature. Herein, we report on an interesting case of FDE caused by iopromide.

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Background: The geriatric population and advanced knee osteoarthritis are rapidly increasing in Korea, and the socioeconomic burden of total knee arthroplasty (TKA) is increasing. This study aimed to analyze the demographic, clinical and socioeconomic characteristics of patients who underwent TKA and to differentiate the factors affecting participation in inpatient-intensive rehabilitation programs after TKA in oo regional rheumatoid and degenerative arthritis centers established by the government.Methods: This retrospective cohort study included 845 patients (735 females; 72.0±5.8 years) diagnosed with primary osteoarthritis (OA) of the knee who underwent elective unilateral primary TKA between January 2013 and June 2016. Demographic, clinical and socioeconomic characteristics, including age, body mass index, obesity, length of stay, OA severity, underlying disease, education level, occupation, and location of residence, were reviewed. Patients were allocated to the TKA-only group (home discharge) and to the TKA+ rehab group (participation in post-TKA rehabilitation). The variables were analyzed and compared before and after the establishment of the center and according to participation in intensive rehabilitation.Results: They showed a predominance of females and geriatrics and a high prevalence of comorbidities and obesity. Additionally, the only factor differentiating participation in intensive rehabilitation was the location of residence.Conclusion: The regional rheumatoid and degenerative arthritis center was appropriate to meet the high need for participating in intensive rehabilitation after TKA and for the qualified integrated post-TKA care system. Policy support should ensure early rehabilitation and a qualified integrated care system and prepare for the increased burden of revision, and future longitudinal studies should be conducted to assess the long-term effect of the integrated post-TKA rehabilitation program on functional outcomes and patient survivorship free from revision.

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