... severe right foot pain without any trigger events. Although treatment,including physiotherapy and NSAID administration, wasinitiated in another clinic, the pain and swelling of hisright foot ... including physiotherapy, calcitonin, corticosteroids, sympatheticblockade, and nonsteroidal anti-inflammatory drugs. Pathophysiologically, complex regional pain syndrome revealsenhanced regional ... administration of bisphosphonate is worth considering for the treatment of idiopathic complex regional pain syndrome type I accompanied by regional osteoporotic change.* Correspondence: iba@sapmed.ac.jp1Department...