Results: 1490

Angiosarcoma primario de mama. Reporte de caso y revisión de la literatura

Rev. colomb. cir; 38 (1), 2022
Introducción. El angiosarcoma primario de la mama es una neoplasia maligna derivada de las células endoteliales de los vasos sanguíneos, potencialmente agresiva independientemente de su grado histológico, por lo que su pronóstico es malo. Su diagnóstico prequirúrgico es difícil, ya...

Relato de caso: linfoma de células t/nk extranodal tipo nasal

Rev. colomb. enferm; 21 (3), 2022
Introdução: O linfoma não-Hodgkin é dividido em linfomas de células B e linfomas de células T, e o linfoma extranodal de células T / NK do tipo nasal está dentro do último grupo.Relato de caso: Paciente do sexo masculino de 30 anos, relata que há 6 meses, de forma progressiva e...

RGD peptide inhibits tumor growth by affecting angiogenesis related signaling pathway of laryngeal cancer stem cells

Int. j. morphol; 40 (6), 2022
SUMMARY: This study is to investigate the role and mechanism of RGD peptide in laryngeal cancer stem cells (CSCs). Laryngeal cancer CD133+Hep-2 CSCs were sorted by flow cytometry. RGD peptide was co-cultured with sorted laryngeal CSCs. Cell proliferation was detected with CCK-8 assay. The mRNA levels of ...

Adult Rat Liver After Subchronic Acrylamide Treatment: Histological, Stereological and Biochemical Study

Int. j. morphol; 40 (6), 2022
SUMMARY: Acrylamide (AA) is a widely used chemical and an important monomer in various industrial and laboratory processes. In addition, AA is formed during processing of starchy food at high temperature. The aim of our study was to examine effects of subchronic AA treatment on adult rat liver using hist...

¿Cuándo el patólogo debe solicitar inmunomarcación con B-Catenina?: una revisión de la literatura a propósito de dos casos

For more than 20 years, immunohistochemistry has represented an auxiliary test of great relevance to support pathological work, however, it should be noted that the pillar of diagnosis continues and will continue to be the classic morphological description based o...

Effect of cadmium chloride toxicity on olfactory mucosa

Int. j. morphol; 40 (6), 2022
SUMMARY: Cadmium is a highly toxic metal and affects the respiratory mucosa. The aim of the study is to show the inflammation and degenerative effect of cadmium on the olfactory mucosa. In this study, eight-week-old Wistar rats with an average weight of 170-190 g were divided into two groups (control and...

Tumor fibroso solitario de mediastino anterior adherido a pericardio. Reporte de un caso

Rev. colomb. neumol; 34 (2), 2022
Se presenta el caso de un paciente de 82 años, con tumor intratorácico de crecimiento rápido, con aumento progresivo de la disnea, antecedentes de enfermedad coronaria y baja función cardíaca, obesidad y síndrome de apnea de sueño, quien fue sometido a toracotomía y a quien se le diagnosticó un ...

Inmunohistochemical detection of pandemic SARS-CoV-2 antigens in lung tissue

Biomédica (Bogotá); 42 (supl.2), 2022
The COVID-19 pandemic caused by the SARS-CoV-2 virus has generated globally more than 110.7 million infections and 2.4 million deaths. The severity of this infection can range from asymptomatic, mild to severe. To know the possible associations between the presence of the virus and histopathological alte...

Linfoma extranodal de células B em vesícula urinária de um cão

Rev. bras. ciênc. vet; 29 (4), 2022
O linfoma é uma neoplasia de alta recorrência na rotina oncológica de medicina veterinária. Pode ser classificado em linfoma Hodgking-liked, com raros casos descritos somente em felinos,e não Hodgking, sendo este segundo o mais comum, subdividido em linfomas B ou T. O objetivo deste trabalho foi rel...

Deteccion del virus del papiloma humano en biopsias de cancer de mama mediante PCR e inmunohistoquimica en el Hospital Santa Rosa durante el 2019

El objetivo de este estudio fue determinar la presencia del Virus Papiloma Humano (VPH) tipo 16 y 18 en biopsias de tejido mamario parafinado de pacientes con diagnóstico clínico de cáncer de mama. Se analizaron 32 biopsias de cáncer de mama embebidas en parafina para detectar el ADN de VPH mediante ...