Large lobulated tumour of the thumb
Wellcome Collection

Large lobulated tumour of the thumb

Mark, Leonard Portal

CC0 — Public Domain
Wellcome Collection

Watercolour drawing of a hand showing a large lobulated tumour with an ulcerated surface which grew from the ungual phalanx of the thumb. The nail itself has become partially detached but remains imbedded in the tumour. Its structure is that of a carcinoma.

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