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...

treatments include benzyl alcohol, spinosad, and ivermectin.5,6 All of these topical treatments require thorough washing of the hair after application and can have adverse effects such as irritant and contact dermatitis if left in place; rare toxic effects also has been reported with application. Oral ivermectin and trimethoprim-sulfamethoxazole are parenteral agents that have been reported to ...

Dermoscopic patterns of basal cell carcinoma (BCC) are well defined, but the dynamics of dermoscopic changes in time were apparently never described so far. In this paper, prominent changes were observed over a 8-week period, allowing to establish a close connection between spoke wheel areas and maple leaf-like aspects, through progressive thickening of the former ones. A chronobiological pheno...

This chapter presents a methodology for diagnosis of pigmented skin lesions using convolutional neural networks. The architecture is based on convolu-tional networks and it evaluated new CNN models as well re-trained modification pre-existing were used. experi-mental results showed that pre-trained big datasets gen-eral purpose image classification when in order to identify le-sion types offer ...

nevoid basal cell carcinoma syndrome (nbccs), also known as gorlin syndrome, is a hereditary condition characterized by a wide range of developmental abnormalities and a predisposition to neoplasms . the estimated prevalence varies from 1/57,000 to 1/256,000, with a male-to-female ratio of 1:1. main clinical manifestations include multiple basal cell carcinomas (bccs), odontogenic keratocysts o...

PCSCC is a variant of invasive squamous cell carcinoma, with less than 20 cases reported, to our knowledge, in the English literature [1,2]. PCSCC had been more often reported to occur in the oral mucosa and conjunctiva [3]. Pigmentation is probably due to cytokines secreted by tumoral cells that stimulate melanocytes to produce melanin [4]. In some cases, PCSCC may be the malignant progression...

Background: Basal cell carcinoma (BCC), the most common form of skin cancer, usually occurs in the sun-exposed areas of the body like head and neck, yet is also seen in unexpected sites. Myriad studies have mentioned a lower limb BCC incidence rate of 1.5-13.5%.Methods: The present retrospective cross-sectional study was conducted on 650 BCC patients, who were referred to the dermatology tumor ...