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1.
Artigo em Inglês | IMSEAR | ID: sea-91401

RESUMO

Squamous cell carcinoma of the head and neck is a rare cause of humoral hypercalcemia of malignancy. This paraneoplastic syndrome is usually one of the presenting symptoms of the disease. We report a case of squamous cell carcinoma of the oral cavity that presumably elaborated parathyroid hormone-related peptide (PTH-rP) and caused hypercalcemia only after radiotherapy and chemotherapy.


Assuntos
Carcinoma de Células Escamosas/metabolismo , Hormônios Ectópicos/metabolismo , Humanos , Hipercalcemia/etiologia , Masculino , Pessoa de Meia-Idade , Neoplasias Bucais/metabolismo , Síndromes Paraneoplásicas/terapia , Proteína Relacionada ao Hormônio Paratireóideo/metabolismo
2.
Artigo em Inglês | IMSEAR | ID: sea-92587

RESUMO

Paired maternal and cord blood samples were collected at delivery from 150 women who received varying doses of tetanus toxoid during pregnancy. Tetanus specific IgM and IgG antibodies were measured in them by standard ELISA with a sensitivity for IgM of 0.001 mg/ml, and for IgG of 0.0003 IU/ml. In 22 infants an additional estimation of tetanus antibody was made 1 month after birth. The presence of specific IgM in 78% of cord samples established an active foetal immune response. The titre did not alter significantly with the number of TT doses given to the mother. Foetal IgM rose in 60% of cases at one month of age compared to cord blood levels. At this time IgG levels were uniformly diminished in accord with a maternally derived passively transferred antibody. No switch of foetal IgM to IgG production was evident. The foetal immune response thus did not confer active protection against tetanus.


Assuntos
Adolescente , Adulto , Anticorpos Antibacterianos/análise , Ensaio de Imunoadsorção Enzimática , Feminino , Feto/imunologia , Humanos , Imunidade Materno-Adquirida , Imunização , Índia/epidemiologia , Recém-Nascido , Gravidez , Complicações Infecciosas na Gravidez/prevenção & controle , Tétano/epidemiologia , Toxoide Tetânico
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