(81) 3325.5152 -----	Ceratoacantoma Conjunctival keratoacanthoma     Queratoacantoma subungueal: reporte de un caso / Subungual keratoacanthoma: report a case     Ceratoacantoma: aspectos imuno-histoquímicos diferenciais do Carcinoma de Células escamosas / Keratoacanthoma: immunohistochemical differential: aspects from squamous cell carcinoma     Se deben considerar a los queratoacantomas carcinomas espinocelulares bien diferenciados: presentación de dos nuevos casos / They should be considered the queratoacantomas carcinomas well differentiated espinocelulares: presentation of two new cases     Tratamento do ceratoacantoma gigante com o 5-fluorouracil tópico / Treatment of giant keratoacanthoma with topic 5-fluorouracil     Intralesional methotrexate treatment for keratoacanthoma tumors: a retrospective study and review of the literature.     Multiple keratoacanthomas in a young woman: report of a case emphasizing medical management and a review of the spectrum of multiple keratoacanthomas   voltar