case_images: PMC8523265_01
case_images: Hyperpigmentation on skin and mucosa: (a) tongue, (b) gum, (c) hands, and (d) knee.
case_images: CRIE2021-7137950.001.jpg
case_images: PMC8523265_01_CRIE2021-7137950.001.jpg
case_images: fig1
case_images: No abnormal breath sounds were detected on lung auscultation, and abdominal examination findings were normal (Figure 1). Figure 1(a). Following the observation of generalized hyperpigmentation on the skin and mucosa, Addison's disease was suspected, which warranted the evaluation of morning cortisol level.