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1.
Rev. chil. dermatol ; 33(1): 15-19, 2017. tab, ilus
Artículo en Español | LILACS | ID: biblio-964621

RESUMEN

El Acné queloídeo de la nuca se presenta principalmente en hombres jóvenes de raza negra; su etiología es desconocida, pero se piensa que sería multifactorial. El cuadro clínico corresponde a pápulas y pústulas que tienden a confluir en placas de aspecto queloídeo y que se observan como alopecia cicatricial, produciendo gran repercusión tanto física como psicológica en el paciente. Histológicamente se distingue una etapa temprana y una avanzada. No existe tratamiento curativo para este cuadro, pero se ha experimentado con múltiples opciones de tratamiento. En este trabajo se exponen los resultados de nuestra experiencia terapéutica con cirugía excisional asociada a cierre primario y posterior uso de Isotretinoína oral.


The Acne keloidalis nuchae occurs mainly in young black men; its etiology is unknown but is thought to be multifactorial. Clinically it presents as papules and pustules which tend to coalesce in keloid-like plaques and they are observed as scarring alopecia, producing great impact both physically and psychologically in the patient. An early and an advanced stage can be distinguished with histological techniques. There is no cure for this pathology, even though multiple treatments have been tried. In this paper, we expose the results of our therapeutic experience with excisional surgery associated with primary closure and subsequent use of oral Isotretinoin.


Asunto(s)
Humanos , Masculino , Adulto , Acné Queloide/cirugía , Acné Queloide/tratamiento farmacológico , Isotretinoína/uso terapéutico , Fármacos Dermatológicos/uso terapéutico , Calidad de Vida , Cuero Cabelludo , Resultado del Tratamiento , Cuello
2.
Rev. chil. dermatol ; 33(1): 20-23, 2017. ilus
Artículo en Español | LILACS | ID: biblio-964625

RESUMEN

Las lesiones cutáneas son causa frecuente de consulta en viajeros siendo las picaduras de insectos unas de las más prevalentes. Damos a conocer un caso de paciente que presenta una lesión dolorosa en cuero cabelludo, tras viaje a la selva boliviana, refractario a tratamiento antibiótico empírico y con estudio complementario inconcluyente. Finalmente, se realizó estudio macroscópico de la costra, que determinó que se trataba de una larva de Dermatobia Hominis. Este caso demuestra la importancia de tomar en cuenta estos agentes no presentes en Chile y que son causantes de patologías dermatológicas del viajero.


Cutaneous lesions are frequent cause of consultation in travelers, being insect bites one of the most prevalent. We present a case of a patient with a painful lesion on the scalp, after a trip to the Bolivian jungle, refractory to empirical antibiotic treatment and with an inconclusive complementary study. Finally, macroscopic study of the crust was carried out, which determined that it was a larva of Dermatobia Hominis. This case demonstrates the importance of taking into account these agents not present in Chile and that are the cause of dermatological pathologies of the traveler.


Asunto(s)
Humanos , Animales , Masculino , Adulto , Enfermedades Cutáneas Parasitarias/diagnóstico , Dípteros , Miasis/diagnóstico , Cuero Cabelludo , Enfermedades Cutáneas Parasitarias/parasitología , Enfermedades Cutáneas Parasitarias/patología , Viaje , Biopsia , Chile , Larva , Miasis/parasitología , Miasis/patología
3.
Rev. méd. Chile ; 143(10): 1351-1355, oct. 2015. ilus, tab
Artículo en Español | LILACS | ID: lil-771720

RESUMEN

Primary cutaneous anaplastic large cell lymphoma (PCALCL) is within the spectrum of cutaneous CD30-positive lymphoproliferative disorders. It presents as localized or multifocal tumors or plaques and carries an excellent long-term prognosis even in cases with regional and/or ipsilateral lymph node involvement or in cases of recurrent disease. We report a 34 year-old female with a thigh lesion. Skin biopsy confirmed the diagnosis of PCALCL. The patient was strictly monitored but no treatment was instituted and the tumor regressed spontaneously. After 24 months of follow-up the patient remains free of disease without new lesions.


Asunto(s)
Adulto , Femenino , Humanos , Linfoma Anaplásico Cutáneo Primario de Células Grandes/patología , Neoplasias Cutáneas/patología , Biopsia
4.
An. bras. dermatol ; 90(3,supl.1): 156-159, May-June 2015. tab, ilus
Artículo en Inglés | LILACS | ID: lil-755756

RESUMEN

Abstract

Neurothekeoma is an uncommon, benign neoplasm presenting in young adults, primarily on the head and neck. It was initially related to nerve sheath myxoma but with the advent of immunohistochemistry, new insights into its cellular differentiation and origin have emerged, unlinking Neurothekeoma and nerve sheath myxoma. Herein we describe a 19-year-old male who had had a frontal, fl esh-colored, asymptomatic papule for 2 years. Histology showed a dermal fusocellular-spindle cell tumor, including an eosinophilic cytoplasm with mild cellular pleomorphism and moderately dense fi brous stroma. IHQ was positive for CD10 and negative for S100 and Claudin-1. These fi ndings were compatible with cellular Neurothekeoma. The lesion was completely extirpated and at the 6-month follow-up, the patient was asymptomatic and had experienced no recurrences.

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Asunto(s)
Humanos , Masculino , Adulto Joven , Neoplasias de la Vaina del Nervio/patología , Neurotecoma/patología , Neoplasias Cutáneas/patología , Diagnóstico Diferencial , Inmunohistoquímica
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