Photo quiz. Pigmented lesion on the sole in a child.

Acquired hyperpigmented lesion on the foot

case: A 3.5-year-old girl presented with a 1-year history of a slow growing pigmented lesion on the dorsal aspect of her right foot. Physical examination revealed the presence of a pigmented patch with color distribution from pink to tan to dark brown, relatively well circumscribed and approximately 1.5 × 2cm with irregular borders, and especially a single dark central papule superimposed...

Dermatoscopy: A multicolored lesion on the forehead—Quiz Answer

Basal cell carcinoma (BCC) is the most frequent type of skin cancer in humans. Non-pigmented BCCs are much more prevalent than pigmented BCCs. Sometimes it could be difficult to distinguish a pigmented BCC from a melanoma [1]. Menzies et al. suggested a dermatoscopic method with a sensitivity of 93% and a specificity of 89% for diagnosing pigmented BCCs (See Table) [2,3]. The correct answer to ...

Acral melanoma with hyperkeratosis mimicking a pigmented wart

Acral lentiginous melanoma (ALM) of the sole sometimes has a hyperkeratotic appearance and mimics a pigmented wart. We report a case of an 81-year-old woman with an ALM on the left sole with hyperkeratosis. Due to its presentation it was difficult to make a correct diagnosis at the beginning. Finally we noticed several small, pigmented macules around the wart-like lesion with the parallel ridge...

Photo quiz. A bubble under the tongue of a child.

Pigmented Bowens disease mimicking malignant Melanoma: A case report

Pigmented Bowens disease is an in situ squamous cell carcinoma, which is seldom reported in white patients. Herein we report a 20-year-old woman with type III skin, who had this lesion on the fourth finger of her right hand, similar to superficial malignant melanoma, clinically. Although dermoscopic evaluation could be helpful, correct diagnosis of non-melanotic origin is done by histological e...