A 77-year-old white woman presented to our department of dermatology with a slowly
enlarging, ulcerated nodule of the nail bed of the right hallux (Figure 1). The patient reported …

A 53-year-old man presented with a painless black discolouration affecting the complete nail
of his right thumb (Figure 1). The discolouration had begun 15 years previously as a thin …

24 A 59-year-old man with no personal or family history skin cancer presented for a growing
lesion 25 on his left thumbnail for the past year. The area was painful and gradually became …

The authors present two patients referred by colleagues after traumatic hand injury.
However, upon closer inspection, both patients had pigmented lesions under the nail bed …

Subungual melanoma (SM) is rare, accounting for only 2% of melanoma cases in white
populations. Owing to either late presentation or misdiagnosis, the prognosis of SM is …

Subungual melanoma, an uncommon form of acral melanoma that arises within the nail
matrix, accounts for 1%–3% of all cutaneous melanoma in Caucasians. As subungual …

CLINICAL PRESENTATION An 86-year old woman presented to our clinic with a partial
black streaklike pigmentation on her right thumb nail, which extended from the distal toward …

A 47-year-old male presented with a 16-year history of pigmentation and thickening of the
right thumb nail that developed soon after a injury (Fig. 1A). Prior to the deformation …

A 22-year-old man with no significant medical history presented with a hard, subungual
nodule on his right distal index finger that had been slowly enlarging for 7 years. He …

A 45-year-old man presented to us for a persistent discoloration of a toenail on the right foot.
He reported that an alteration of the nail pigmentation had appeared approximately two …