Shortening and blunting of rete ridges may be present, whereas junctional activity or nevus cells are absent. One reported patient had gray staining of his white underwear after 1 hour of wearing it. [accesspediatrics.mhmedical.com]

Our patient presented with diffuse hyperpigmentation which was progressive from the age of 5 months. There was no family history of a similar problem. This case is presented for its unusual occurrence. [ijdvl.com]

Family history, laboratory workup, personal and maternal medical history, as well as exposure to drugs or toxins are typically unremarkable. [accesspediatrics.mhmedical.com]

Clinical aspects The etiology of Carbon Baby Syndrome remains to be determined, but excessive production of β-melanocytes-stimulating hormone, or increased sensitivity of melanocytes to normal or abnormal endocrine and/or neural stimuli due to a genetic [accesspediatrics.mhmedical.com]

The etiology of pigmentation in our case is as yet unknown. The following hypothesis can be proposed for its occurrence. [ijdvl.com]