A contribution by a fellow (non-infectious diseases) colleague, with an offer of a small prize for one local (i.e. Singapore) medical student who provides the correct answer.
[Updated 11th February 2016]
The patient in question had chemotherapy resulting in severe loss of appetite and vomiting for a significant period of time. The image shows the characteristic “half-and-half nails” (or Lindsay’s nails) first described in 1967 in patients with chronic kidney disease. In this case, the healthy part of each nail is the bottom half.
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