PMC8523265_01
Hyperpigmentation on skin and mucosa: (a) tongue, (b) gum, (c) hands, and (d) knee.
CRIE2021-7137950.001.jpg
PMC8523265_01_CRIE2021-7137950.001.jpg
fig1
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.