Pigmented Contact dermatitis is a non-eczematous variant of contact dermatitis clinically characterised by reddish-brown to slate grey pigmentation in a reticulate pattern, usually without any active or preceding clinical dermatitis. A detailed history is essential to establish the temporal correlation of exposure to a possible sensitizer, which further helps in differentiating PCD from its clo...

590 nm were used. The patient did not complain about pain and burning sensation during the treatment. After 3 sessions, the lesion showed clinical improvement other than postinflammatory hyperpigmentation. However, the patient had to discontinue treatment because hemorrhoid surgery was planned. A 40-year-old woman presented with a 3 ! 4 cm brownish patch that had first been noted 3 years previo...

In this paper, we propose a test for the serial independence of unobservable errors in locationscale models. We consider a Hoeffding-Blum-Kiefer-Rosenblat type empirical process applied to residuals, and show that under certain conditions it converges weakly to the same limit as the process based on true errors. We then consider a generalized spectral test applied to estimated residuals, and ge...

Vol. 24, No. 3, 2012 363 Received May 13, 2011, Revised August 15, 2011, Accepted for publication August 30, 2011 Corresponding author: Moon-Bum Kim, M.D., Department of Dermatology, Pusan National University School of Medicine, 179 Gudeok-ro, Seo-gu, Busan 602-739, Korea. Tel: 82-51-240-7338, Fax: 82-51-245-9467, E-mail; [email protected] This is an Open Access article distributed under the te...