PMC5804719_01
Right thumb showing worsening cutaneous erythema and roughening of the eponychia.
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F0001
In February 2017, he was evaluated for worsening cutaneous erythema and roughening of the eponychia of the right thumb and index finger, most notable on the thumb (Figure 1).
Biopsy prepared with haematoxylin and eosin stain (20x magnification).
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Due to suspicion that the worsening eponychial inflammation may have been an early sign of recurrent rejection or that an ongoing underlying inflammatory process may have precipitated this rejection episode, a biopsy was performed (Figure 2).