RESUMEN: Las papilas fungiformes pigmentadas de la lengua, cuyas siglas son PFPT, del inglés Pigmented fungiform papillae of the tongue, es una condición asintomática, no progresiva que se presenta en personas de piel oscura, en las cuales las papilas fungiformes cambian de su color rosado natural, a ...
Hiperpigmentación/patología,
Melaninas/análisis,
Papilas Gustativas/patología,
Enfermedades de la Lengua/patología,
Ecuador,
Estudios Prospectivos,
29161,
Dermoscopía/métodos,
Biopsia,
Colorantes,
Hiperpigmentación/etiología,
Enfermedades de la Lengua/etiología,
Micosis Fungoide/complicaciones,
Neoplasias Cutáneas
Resumen Introducción: Las melanocitosis dérmicas son un grupo de enfermedades dermatológicas pigmentarias asociadas con la proliferación melanocítica. Se clasifican con base en su número y localización profunda a nivel de la dermis; pueden ser congénitas o adquiridas. Caso clínico: Paciente ...
Abstract Actinic keratoses are dysplastic proliferations of keratinocytes with potential for malignant transformation. Clinically, actinic keratoses present as macules, papules, or hyperkeratotic plaques with an erythematous background that occur on photoexposed areas. At initial stages, they may be bett...
Abstract Melanoacanthoma is a rare variant of seborrheic keratosis, which is notable for dark pigmentation and fast radial growth, making it difficult to distinguish from melanoma. Histologically, it is characterized by proliferation of keratinocytes and dendritic melanocytes. The authors report a scalp ...
Abstract Background: Mohs micrographic surgery is a surgical technique for the treatment of nonmelanoma skin cancer. Surgery begins by removing the visible tumor before excision of the tissue specimens for evaluation of the tumor margins. Objectives: To present a new way to evaluate the material obtain...
Biopsia,
Carcinoma Basocelular/patología,
Carcinoma Basocelular/cirugía,
Estudios Transversales,
Dermoscopía,
Cirugía de Mohs/métodos,
Estudios Retrospectivos,
Neoplasias Cutáneas/patología,
Neoplasias Cutáneas/cirugía,
Resultado del Tratamiento,
Carga Tumoral
Abstract Granulomatous pigmented purpuric dermatosis clinically manifests as hyperpigmented maculae and petechiae, predominantly on the lower extremities. Histopathologically, it is characterized by a lymphocytic infiltrate in the upper dermis, extravasated erythrocytes, and hemosiderin deposits. There i...
Abstract Tinea incognito resulting from corticosteroid abuse is becoming very common in the tropics. Its diagnosis is tricky owing to its confusing morphology, as well as practical and technical issues associated with mycological tests. Dermoscopy has now evolved as a novel diagnostic tool for diagnosing...
Abstract The correct identification of pigmented nodular lesions of the scalp is often challenging. Despite the importance of clinical patterns and dermoscopy, important adjuvant tools that are usually helpful, their interpretation sometimes is not clear-cut. Here, the authors discuss a case of sebaceoma...
Biopsia,
Carcinoma/diagnóstico,
Carcinoma/patología,
Dermoscopía,
Diagnóstico Diferencial,
Inmunohistoquímica,
Cuero Cabelludo/patología,
Neoplasias de las Glándulas Sebáceas/diagnóstico,
Neoplasias de las Glándulas Sebáceas/patología,
Neoplasias Cutáneas/diagnóstico,
Neoplasias Cutáneas/patología
Abstract Dissecting cellulitis is an inflammatory, chronic, and recurrent disease of the hair follicles that mainly affects young Afro-descendent men. Trichoscopy is a method of great diagnostic value for disorders of the scalp. Clinical and trichoscopic findings of dissecting cellulitis are heterogeneou...
Celulitis (Flemón)/diagnóstico por imagen,
Celulitis (Flemón)/patología,
Dermoscopía/métodos,
Eritema/diagnóstico,
Eritema/patología,
Cabello/diagnóstico por imagen,
Cabello/patología,
Folículo Piloso/diagnóstico por imagen,
Folículo Piloso/patología,
Dermatosis del Cuero Cabelludo/diagnóstico por imagen,
Dermatosis del Cuero Cabelludo/patología,
Enfermedades Cutáneas Genéticas/diagnóstico por imagen,
Enfermedades Cutáneas Genéticas/patología