Case presentation An 8-year-old girl presents with a six-week background of an erythematous linear lesion on her behalf left thigh . It is somewhat raised and scaly but not itchy. The girl has been well and the lesion developed quite abruptly previously, over a few days, and has persisted despite treatment with mometasone furoate 0.1 percent cream and miconazole cream.The treatment centers were chosen because of their socioeconomic and racial/ethnic diversity and were demographically similar to the area’s population. Initial enrollment of patients occurred between 2000 and 2002, and the individuals had been studied for five years. Patients identified as having dementia were excluded from the analysis already. Over the five-season period, 36 of 455, or 7.9 %, of the diabetes patients with major depression were diagnosed with dementia. Among the 3,382 patients with diabetes by itself, 163 or 4.8 % developed dementia.