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Two dark lesions on the mid-upper back - both in situ melanomas (MIS-patient1)

A dark macule on the central back - an in situ melanoma (MIS-patient1)

Dermoscopy showing irregular pigment distribution, margin and peripheral structures (MIS-patient1)

A banal pigmented macule on the back - histology showed an in situ melanoma (MIS-patient1)

Dermoscopy showing irregularity of the pigmentation, edge and peripheral pigment clods - histology showed an in situ melanoma (MIS-patient1)

A banal-appearing lesion with irregular margin - an in situ melanoma

An irregularly marginated, notched and irregularly pigmented lesion on the arm - an in situ melanoma

An in situ melanoma on the ear lobe - note slight irregularity of margin

An in situ melanoma showing irregularity of the pigment and margin

A single banal-appearing doubtful lesion on the arm - histology showed melanoma in situ

In situ melanoma on the upper back - note irregular edge and pigmentation variation (MIS-patient2)

Dermoscopy of melanoma in situ showing asymmetric structure, irregular network and structureless areas (MIS-patient2)

Dermoscopy of melanoma in situ showing asymmetric structure, eccentric structureless areas and colour variation (MIS-patient2)

A pigmented lesion on the trunk with irregularity of colours; histology showed an in situ melanoma (MIS-patient3)

Dermscopy of an irregularly pigmented lesion with featureless pale areas and a blue-grey veil: histology showed an in situ melanoma (MIS-patient3)

Dermscopy of an irregularly pigmented lesion with featureless pale areas and a blue-grey veil: histology showed an in situ melanoma (MIS-patient3)

Melanoma in situ







Melanoma in situ

Melanoma in situ






Melanoma-associated leukoderma




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Melanoma in situ dermoscopy




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Melanoma in situ 1 macro

Melanoma in situ 1 dermoscopy

Melanoma in situ 2 macro

Melanoma in situ 2 dermoscopy

Melanoma in situ 3 macro

Melanoma in situ 3 dermoscopy

Melanoma in situ 4 macro

Melanomia in situ 4 dermoscopy

Melanoma in situ 5 macro

Melanoma in situ 5 dermoscopy

Melanoma in situ 6 macro

Melanoma in situ 6 dermoscopy

Melanoma in situ 7 macro

Melanoma in situ 7 dermoscopy

Melanoma in situ 8 macro

Melanoma in situ 8 dermoscopy

Melanoma in situ 9 macro

Melanoma in situ 9 dermoscopy

Melanoma in situ 10 macro

Melanoma in situ 10 dermoscopy

Melanoma in situ 11 macro

Melanoma in situ 11 dermoscopy

Melanoma in situ 12 macro

Melanoma in situ 12 dermoscopy

Melanoma in situ 13 macro

Dermoscopic image of melanoma in situ 13