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Updated: Aug 16, 2026

Cell Population Analyses During Skin Carcinogenesis
Published on: August 21, 2013
[Pigmented basocellular epithelioma. Presentation of 7 cases]
M P de Antonio García1, J Borbujo Martínez, A Juez Juez
1Centro de Salud V Centenario, San Sebastián de los Reyes, Madrid.
Objective:
To review the clinical, histological, evolutive and therapeutical characteristics of basal cell carcinoma and the pigmented subtype.
Design:
Descriptive transversal study.
Location:
Primary Care; Clinic of Dermatology in a Primary Care of Madrid.
Participants:
Seven patients (4 males, 3 females) over 60 years old with pigmented lesions and skin little pigmented.
Measurements And Main Results:
Medical records and the histological examination were reviewed in all the cases. The clinical evolution had been the same in all the patients starting with an asymptomatic papular lesion of dark pigmentation growing slowly. Finally the lesions were transformed to a plaque or a shining nodule. Prolonged exposure to sunlight was present in five cases. All the patients were referred to the Dermatology Clinic with the presumptive diagnosis of melanoma. The lesion histological examination was diagnostic.
Conclusions:
It is very important the knowledge of basal cell carcinoma in Primary Care due the elevated incidence mainly among the geriatric population and the immunosupressed subjects. We must think in this type of neoplasia, doing the differential diagnosis with the other pigmented lesions. It is necessary to perform the histological examination of the suspects lesions.
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