HYPOPHYSIAL DYSTROPHY IN HYDROCEPHALUS

Presurgical Diagnosis of Hypophysial Tumours

Presurgical diagnosis requires the collaboration of a medical team including the attending physician, the endocrinologist, the radiologist and the ophthalmologist. It includes the pituitary hormonal levels certifying the secretory or non-secretory character of the tumour, the neuroradiological aspect with triplanar MRI T1WI, T2WI and with gadolinium injection. In conclusion, hormonal and neuror...

Hypothalamo-hypophysial control of ovulation in the vole (Microtus agrestis).

Electrical stimulation of the anterior hypothalamus of the vole, Microtus agrestis, usually results in ovulation, whereas stimulation of areas in the posterior hypothalamus do not. Ovulation can also be elicited by injections of sheep median-eminence extracts, and by preparations ofsheep luteinizing hormone. Observations on the number of corpora lutea formed, and ripe Graafian follicles remaini...

Hypophysial Stalk Excision in the Treatment of Diabetic Retinopathy.

hydrocephalus

hydrocephalus is a common finding in patient with extensive intracranial pathology. this finding may have obvious cause or even happened by a subtle abnormality. some of the normal looking ventricles are really hydrocephalus when compare with previous images and some are due to nph. communicating and non-communicating hydrocephalus should be separated to divided pathologic causes. this session ...

External hydrocephalus. Early finding in congenital communicating hydrocephalus.

Dilation of the subarachnoid channels overlying the cerebral hemispheres, ie, external hydrocephalus, can be an early anatomic-radiologic finding in some infants with congenital communicating hydrocephalus. This structural change may progress to ventricular dilation or internal hydrocephalus. Enlargement of the subarachnoid channels appears to occur during the first stage in the development of ...