RESUMEN
Benign mammary gross cystic disease is the most common breast lesion; women with apocrine changes of epithelium lining the cysts are at higher risk for developing breast cancer than the normal population. Total cholesterol, high- and low-density lipoproteins fractions, triglycerides and phospholipids, lipase activity and total lipid concentrations were measured in cyst fluids and sera from 89 women affected by gross cystic breast disease. Total cholesterol and high-density lipoprotein content were significantly (P < 0.001) greater in pooled cyst fluids than normal sera. Moreover, data analyses show a significant increase in the mean values of total lipids and lipase activity in metabolically active apocrine cysts, when compared to the flattened cysts (P < 0.001). The lipids feature of apocrine cysts could represent an altered expression of biosynthetic activity of the surrounding apocrine cell surface glycolipid and steroidogenic metabolism and may provide further knowledge about the functional stage changes of gross breast cysts.
Asunto(s)
Enfermedad Fibroquística de la Mama/metabolismo , Lípidos/análisis , Adulto , Neoplasias de la Mama/etiología , Exudados y Transudados/química , Femenino , Enfermedad Fibroquística de la Mama/sangre , Humanos , Lípidos/sangre , Lipoproteínas/análisis , Lipoproteínas/sangre , Persona de Mediana Edad , Fosfolípidos/análisis , Fosfolípidos/sangre , Potasio/análisis , Factores de Riesgo , Sodio/análisisRESUMEN
Opioid peptides have a variety of pathophysiologic actions, playing a novel important role in human breast cancer. The expression of beta-endorphin was studied in 84 human breast cyst fluids from gross cystic breast disease-affected patients. The concentration of beta-endorphin in pooled breast cyst fluids was over four-fold higher than in respective plasma with a significant increase in the mean value of the 'metabolically active' apocrine cysts when compared with flattened cysts (P < 0.001). The higher levels of Type I cyst suggest de novo mammary synthesis of endogenous opioid peptides and could represent an altered expression of biosynthetic activity of apocrine breast cells, providing a possible explanation on functional changes of gross cysts, on the mechanism of their formation and a perspective relationship to breast cancer risk.
Asunto(s)
Enfermedad Fibroquística de la Mama/metabolismo , betaendorfina/metabolismo , Adulto , Femenino , Humanos , Persona de Mediana Edad , RadioinmunoensayoRESUMEN
Skin grafting remains the simplest option when bone is not exposed in soft tissue losses of the digits of the hand. As opposed to traditional donor sites, a split-thickness skin graft from the hypothenar eminence provides specialized skin similar to the one to be replaced. The graft remains elastic and soft in follow-up, without hyperpigmentation, hyperkeratosis, fissuring and hypertrophic scarring at the margins. As well as in acute trauma situations, the use of split-thickness skin grafting from the hypothenar eminence can also be extended to resurfacing defects in elective hand surgery. As an example, we describe a case of an ulcerated capillary hemangioma on the dorsal surface of the fifth digit at the distal interphalangeal joint.
Asunto(s)
Dedos/cirugía , Hemangioma/cirugía , Recurrencia Local de Neoplasia/cirugía , Trasplante de Piel/métodos , Neoplasias de los Tejidos Blandos/cirugía , Adulto , Femenino , Humanos , Cicatrización de HeridasRESUMEN
Circulating immune complexes, the major classes of immunoglobulins and electrolyte concentrations were measured in sixty-two breast cyst fluids aspirated in women affected by gross cystic breast disease. Two main classes of cysts were defined according to the Na/K ratio. Appreciable levels of immunoglobulins were found in almost all samples examined; 66% of breast cyst fluids showed increased levels of immune complexes. A highly significant linear correlation between increased values of immune complexes and immunoglobulin M (p less than 0.001) was found in apocrine cysts, characterized by Na/K ratio less than 3. However, a significant inverse linear correlation was found between positive values of immune complexes and lowered levels of immunoglobulins A (p less than 0.001) and G (p less than 0.001) in epithelial cysts with Na/K ratio greater than 3. These data suggest and confirm that the menstrual cycle can also influence or modulate the metabolic activity of human breast cells as a part of the secretory immune system. The relationship between immune complexes and immunoglobulins and electrolyte profiles may provide further knowledge about the immunological features of breast cyst fluid and suggest the possible alteration of immune-response in cystic breast lesions associated with increased cancer risk.
Asunto(s)
Complejo Antígeno-Anticuerpo/análisis , Líquidos Corporales/inmunología , Electrólitos/análisis , Enfermedad Fibroquística de la Mama/inmunología , Inmunoglobulinas/análisis , Adulto , Líquidos Corporales/química , Femenino , Humanos , Persona de Mediana EdadRESUMEN
A clinical case of splenosis recently observed in a young man subjected at the age of 8 to splenectomy for rupture of the spleen and operated at 19 for intestinal occlusion is reported. The pathogenetic aspects of the condition, characterised by the presence of nodules of splenic tissue in the abdominal cavity, are examined through a review of the literature.