Osteomielitis aséptica craneal asociada a pioderma gangrenoso / Cranial aseptic osteomyelitis associated with pyoderma gangrenosum

Las dermatosis neutrofílicas (DN) constituyen un grupo heterogéneo de enfermedades. Excepcionalmente, las DN pueden acompañarse de acúmulos de neutrófilos estériles en otros tejidos distintos a la piel. Una paciente de 34 años consultó por una cefalea que no respondía al tratamiento analgésico. Una TAC demostró una lesión osteolítica a nivel parietal derecho, cuyo estudio histopatológico sugería una osteomielitis. Un año después del inicio de la cefalea desarrolló un pioderma gangrenoso en cara anterior de ambas piernas. Tras tratamiento con corticoterapia sistémica se resolvieron las lesiones cutáneas y la cefalea. La afectación ósea en las dermatosis neutrofílicas es excepcional. Habitualmente afecta a la población infantil en el contexto de una osteomielitis crónica recurrente multifocal (OCRM). Solo se han descrito dos casos en adultos, una paciente de 26 años, con una OCRM desde la infancia, y un varón de 67 años que desarrolló una osteomielitis aséptica en continuidad de un pioderma gangrenoso (AU)

Neutrophilic dermatoses include a heterogeneous group of entities. Uncommonly, they can accumulate aseptic neutrophilic abscesses in other tissues in addition to the skin. A 34-year-old female complained of a headache which was unresponsive to usual drugs. A TAC revealed an osteolytic lesion in the right parietal bone. The biopsy showed osteomyelitis. One year later, pyoderma gangrenosum appeared in the anterior aspect of both legs. The headache and the cutaneous lesions disappeared after treatment with oral prednisone. The bone involvement in the background of neutrophilic dermatoses is exceptional. Usually, it involves children in the context of chronic recurrent multiple osteomyelitis (CRMO). Only two cases have been described in adults. One of them was a 26-year-old woman who had had CRMO since childhood, and the other one in contiguity with the cutaneous lesions of pyoderma gangrenosum (AU)

Placa abollonada en surco nasogeniano / Nodular Plaque in the Nasolabial Fold

No disponible

Melanoma dérmico solitario y estadio IIIC / Stage IIIC Solitary Dermal Melanoma

No disponible

Angioqueratoma de Fordyce unilateral / Unilateral Angiokeratoma of Fordyce

No disponible

Pellagra: a clinical, histopathological, and epidemiological study of 7 cases.

BACKGROUND AND OBJECTIVES: In the developed world, pellagra is a rare condition that is restricted to a small number of at-risk groups. It mainly affects alcoholic patients and those with dietary deficiencies, with intestinal malabsorption, or in treatment with certain drugs. The aim of this study was to analyze the clinical, histopathological, and epidemiological characteristics of patients diagnosed with pellagra in our hospital and to compare the results with the findings traditionally described for this disease. PATIENTS AND METHODS: We undertook a retrospective study of patients with clinical or pathological evidence of pellagra who were seen in our hospital between 1998 and 2009. RESULTS: Seven patients met the inclusion criteria. All were men and the most common predisposing factors were alcoholism and dietary deficiency. All exhibited photosensitivity mainly affecting the forearms and the upper surface of the feet, where the lesions were more severe. The most consistent histopathological findings were the presence of dilated blood vessels with extravasation and little or no inflammatory infiltrate. Various changes were observed in the epidermis, including those suggestive of mild pellagra, such as epidermal pallor and some degree of ballooning of the keratinocytes. Other abnormalities such as epidermal necrosis and hyperkeratosis were also observed. In most patients, pellagra was not initially suspected. Additional noncutaneous findings were observed in almost all cases. CONCLUSIONS: Pellagra should be ruled out in patients with lesions on sun-exposed areas. Predisposing factors for pellagra should be assessed along with the social situation of patients and the presence of digestive or neurological abnormalities.

Pelagra: estudio clínico, histopatológico y epidemiológico de 7 casos / Pellagra: A Clinical, Histopathological, and Epidemiological Study of 7 Cases

Introducción y objetivos: En el mundo desarrollado la pelagra es una entidad rara confinada a unos pocos grupos de riesgo. Afecta especialmente a personas alcohólicas, con transgresiones dietéticas, malabsorción intestinal o en tratamiento con determinados medicamentos. El objetivo del presente trabajo es realizar un estudio de las características clínicas, histopatológicas y epidemiológicas de los pacientes diagnosticados de pelagra en nuestro centro, y compararlo con los hallazgos «clásicos» de esta entidad. Pacientes y métodos: Se realiza un estudio retrospectivo de los pacientes con hallazgos clínicos y/o patológicos de pelagra en nuestro centro en el periodo comprendido entre 1998 y 2009. Resultados: Siete pacientes cumplían los criterios de inclusión. Todos eran varones y los factores predisponentes más importantes fueron el alcoholismo y la transgresión dietética. Todos mostraban un cuadro de fotosensibilidad, donde el dorso de los antebrazos fue el área más afectada y el dorso del pie la zona donde las lesiones eran más graves. Los hallazgos histopatológicos más constantes fueron la presencia de vasos dilatados asociados a una extravasación hemática, con escaso o nulo infiltrado inflamatorio. Los cambios epidérmicos fueron variados e incluyeron cambios sugestivos de pelagra en grado leve, como una palidez de la epidermis y cierto grado de balonización de los queratinocitos, pero también otras alteraciones como ampollas con necrosis epidérmica e hiperqueratosis. En la mayoría de los pacientes la sospecha clínica inicial no fue de pelagra. Casi todos asociaban una discreta clínica extracutánea. Conclusiones: Ante pacientes con lesiones en áreas fotoexpuestas se debe descartar pelagra. Para ello se deben investigar los factores predisponentes de pelagra, la situación social del paciente y la presencia de alteraciones digestivas y/o neurológicas (AU)

Background and objectives: In the developed world, pellagra is a rare condition that is restricted to a small number of at-risk groups. It mainly affects alcoholic patients and those with dietary deficiencies, with intestinal malabsorption, or in treatment with certain drugs. The aim of this study was to analyze the clinical, histopathological, and epidemiological characteristics of patients diagnosed with pellagra in our hospital and to compare the results with the findings traditionally described for this disease. Patients and methods: We undertook a retrospective study of patients with clinical or pathological evidence of pellagra who were seen in our hospital between 1998 and 2009. Results: Seven patients met the inclusion criteria. All were men and the most common predisposing factors were alcoholism and dietary deficiency. All exhibited photosensitivity mainly affecting the forearms and the upper surface of the feet, where the lesions were more severe. The most consistent histopathological findings were the presence of dilated blood vessels with extravasation and little or no inflammatory infiltrate. Various changes were observed in the epidermis, including those suggestive of mild pellagra, such as epidermal pallor and some degree of ballooning of the keratinocytes. Other abnormalities such as epidermal necrosis and hyperkeratosis were also observed. In most patients, pellagra was not initially suspected. Additional noncutaneous findings were observed in almost all cases. Conclusions: Pellagra should be ruled out in patients with lesions on sun-exposed areas. Predisposing factors for pellagra should be assessed along with the social situation of patients and the presence of digestive or neurological abnormalities (AU)

[Pellagra: a clinical, histopathological, and epidemiological study of 7 cases]. / Pelagra: estudio clínico, histopatológico y epidemiológico de 7 casos.

BACKGROUND AND OBJECTIVES: In the developed world, pellagra is a rare condition that is restricted to a small number of at-risk groups. It mainly affects alcoholic patients and those with dietary deficiencies, with intestinal malabsorption, or in treatment with certain drugs. The aim of this study was to analyze the clinical, histopathological, and epidemiological characteristics of patients diagnosed with pellagra in our hospital and to compare the results with the findings traditionally described for this disease. PATIENTS AND METHODS: We undertook a retrospective study of patients with clinical or pathological evidence of pellagra who were seen in our hospital between 1998 and 2009. RESULTS: Seven patients met the inclusion criteria. All were men and the most common predisposing factors were alcoholism and dietary deficiency. All exhibited photosensitivity mainly affecting the forearms and the upper surface of the feet, where the lesions were more severe. The most consistent histopathological findings were the presence of dilated blood vessels with extravasation and little or no inflammatory infiltrate. Various changes were observed in the epidermis, including those suggestive of mild pellagra, such as epidermal pallor and some degree of ballooning of the keratinocytes. Other abnormalities such as epidermal necrosis and hyperkeratosis were also observed. In most patients, pellagra was not initially suspected. Additional noncutaneous findings were observed in almost all cases. CONCLUSIONS: Pellagra should be ruled out in patients with lesions on sun-exposed areas. Predisposing factors for pellagra should be assessed along with the social situation of patients and the presence of digestive or neurological abnormalities.

Estomatitis geográfica / Geographic Stomatitis

No disponible

No disponible

Hemangioma sinusoidal. Estudio inmunohistoquímico con GLUT1 y WT1 / Sinusoidal Hemangioma: Immunohistochemical Analysis with Glucose Transporter 1(GLUT1) and Williams Tumor Protein 1(WT1)

No disponible