Abstract:<p>Cutaneous hyperpigmentation and glossitis are recognized but often overlooked early signs of vitamin B12 deficiency (VB12D). Pernicious anaemia is the most common cause of VB12D. Many clinicians miss the diagnosis of this potentially fatal but treatable condition in the absence of the more often reported life-threatening neuropsychiatric and haematologic features, notwithstanding the concomitant presence of characteristic cutaneous signs. These apperceptions of conspicuous and early dermatologic signs… Show more
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