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Hipercortisolismo Recorrente: Após Remoção de Adenoma Hipofisário Secretor de A...

A 29 years old patient was sent to our Outpatient Clinic of Endocrinology presenting clinic of hypercortisolism. Laboratorial study: High urinary free cortisol (UFC); serum cortisol - 25 microg/dl (8 am) (5-25) and 20 microg/dL (11pm); ACTH - 20 pg/mL (9-52) (8 am) and 14 pg/mL (11 pm); serum cortisol after dexamethasone suppression test: 14,9 mg/dL; CRH test: elevation of ACTH; Pituitary MRI: microadenoma; abd...

Feocromocitoma: actualizações no diagnóstico e tratamento

A diabetes na quarta idade: a nossa realidade

AIM: To evaluate the impact of the aging of our population in the growing of diabetes prevalence, among patients treated inward at our department. MATERIAL AND METHODS: The clinical files of 242 diabetics older than eighty years, treated between 1999 and 2002 were studied retrospectively. Demographic (sex, age, year of first contact), clinical (causes of admission, co-morbidities, duration of diabetes, previous...

Polimorfismos do gene CYP2D6 estão associados a uma susceptibilidade para os tu...

Several polymorphisms of drug-metabolizing enzymes have been implicated in the susceptibility to tumor development. The role of the CYP2D6, GSTM1 and GSTT1 genes has been extensively studied, with alleles conferring different metabolic efficiencies and tumor risk. We studied the relationship between the main polymorphisms of these genes and the susceptibility to develop pituitary tumors, by performing a case-co...

Terapêutica farmacológica da doença de Cushing

The curative treatment of Cushing's disease is surgery, mainly transphenoidal surgery. The cure probability is high and the risks or complications are few. However, pharmacotherapy is necessary while localisation of the secreting tumour is not achieved, when there is persistence of hypercortisolism after surgery, or while waiting for effectiveness of radiotherapy. We review the existing drugs, their characteris...

Síndroma de Cushing ACTH-dependente: estudo retrospectivo

AIM: To evaluate the characteristics and outcomes of the patients diagnosed as ACTH-dependent Cushing syndrome, registered in the department. MATERIAL AND METHODS: We reviewed the files of forty-three patients followed from 1974 to 2002. RESULTS: A progressive rise in the number of patients diagnosed was found, being 80% females. Clinical suspicion was based mostly on the typical fat distribution; hirsutism and...

Diabetes mellitus e cirurgia: preparação do doente diabético para cirurgia

The perioperative management of diabetic patients implies glicemic normalization before, during and after the procedure. Insulin therapy is always necessary when general anesthesia is considered, and in most cases of epidural analgesia. When ambulatory surgery is envisaged, the usual hypoglycemic treatment can be maintained, provided that a sufficiently good metabolic control is documented. The pathophysiologic...

Efeito da temperatura na viabilidade de Bemisia tabaci biótipo B, em plantas de...

2003

Hipofisite Auto-imune ou Linfocítica

This entity, due to the pituitary lymphoplasmacytic infiltrate, was described for the first time in 1962. The clinical suspicion relies on a rapidly progressing hypopituitarism, particularly with adrenal involvement, affecting women in the peripartum period or patients with previously recognized autoimmune disease. Diabetes insipidus is also often reported. A sellar mass is found in 80% of cases. The diagnosis ...

Radioterapia em tumores hipofisários

The aim of this study is to evaluate the use of conventional external radiotherapy in patients with pituitary adenomas. Between October 1970 and May 1998, 27 patients with pituitary adenoma were followed at the Department of Endocrinology and Diabetes of the Hospitais da Universidade de Coimbra. They received radiation therapy at Instituto Português de Oncologia. Seven of those tumors were classified as nonfunc...