The following case studies show examples of ambiguous melanocytic lesions and demonstrate how gene expression profiling (GEP) can provide objective data to resolve diagnostic and clinical ambiguity for improved patient management.

Case Study 1

Asymmetrical Pigmented Lesion​ with High Clinical Suspicion for Melanoma​

A 27-year-old female was seen by a primary care physician who recommended follow-up with a dermatologist for assessment of a concerning melanocytic lesion.

Case Study 1-5

Irregular Papule with Atypical Histopathological Findings and Borderline/ Unknown Diagnosis

A 43-year-old female presents to a dermatologist with a suspicious irregular multi-colored papule on the right dorsal foot.

case 3-1

Multi-Colored Lesion with Uncertain Malignant Potential

A 80-year-old male presents to a dermatologist with a multi-colored lesion on his back and a previous history of extensive sun damage and non-melanoma skin cancers.


Atypical Melanocytic Proliferation on Sensitive Preauricular Cheek

A 65-year-old male presented with an atypical melanocytic proliferation near the left ear. Four sites of basal cell carcinoma and seborrheic keratosis were taken at the same visit.


Abnormally Pigmented Lesion with Uncertain Malignant Potential

A woman in her 30's presents to her dermatologists for evaluation of a isolated lesion with irregular pigmentation on her inner thigh.


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