Publications by authors named "C Yasunaga"
Background: In Japan, allergic contact dermatitis caused by hair colouring agents is a considerable problem for those occupationally exposed and also for consumers. Over the last 20 years, p-phenylenediamine (PPD) has been a common allergen, with ∼7% positive patch test reactions.
Objectives: To investigate which ingredients caused allergic contact dermatitis related to hair dye and perming solutions in Japan, to assess whether PPD is suitable for screening for hair dye allergy, and to propose allergens for a Japanese hairdresser series.
Article Synopsis
- Secondary hyperparathyroidism (SHPT) is a significant issue for patients with chronic kidney disease, leading some to undergo parathyroidectomy; the Parathyroid Surgeons' Society of Japan (PSSJ) studied these surgeries from 2004 to 2013.
- The annual count of parathyroidectomies in Japan rose from 2004 to 2007, but significantly declined afterward, with 296 surgeries conducted in 2013; patients had a median age of 59, with a nearly equal gender distribution.
- Post-2007, the introduction of cinacalcet contributed to this decrease, and most patients (75.3%) underwent total parathyroidectomy with autografting, demonstrating successful