نتایج جستجو برای: sella point
تعداد نتایج: 525723 فیلتر نتایج به سال:
A 25-year-old woman from India, 3 months postpartum, presented with continued lactation (prolact in 108 ng / ml) and a left temporal field defect. The patient had no history of or current evidence for infection, sinusitis, or meningitis. High-resolution CT was performed with contrast enhancement only. Because of the thin sect ion technique (1 .5 mm slices), coronal and sagittal reformations wer...
PURPOSE To reveal the magnetic resonance imaging (MRI) properties of incidental petrous apex cephalocele (PAC) and coexisting empty sella-arachnoid cyst. MATERIALS AND METHODS We reviewed our archive from June 2005 to July 2008. Four patients were diagnosed with PAC (four females; age range, 41-60 years; mean, 48.5). All patients underwent MRI examination of the cranium. We evaluated the lesi...
False-positive and false-negative interpretations of sellar tomography were found in about one-fifth of cases in a recent autopsy study correlating the presence of pituitary microadenomas with abnormal sellar tomograms. An analysis of minor variations in the bony configuration of the sella disclosed variations due to posterior lobe asymmetry, intercavernous venous channels, bony asymmetry, and ...
Central precocious puberty (CPP) is commoner in girls in comparison to boys. Its Causes are idiopathic in over 80% girls while being secondary to central nervous system pathologies in 80% boys. CPP in association with empty sella syndrome, a condition often linked with idiopathic intracranial hypertension, is rare. We report a case of a boy with CPP and recurrent headaches in whom empty sella w...
The study herein evaluated and compared the efficacy of Clear Aligners (CA) Twin-Block (TB) appliances as early orthodontic treatments developing class II division 1 malocclusion. Twenty-four patients each for CA (11.73 ± 0.33 y) TB (11.87 0.34 groups were selected according to inclusion exclusion criteria. cephalometric X-rays intraoral photos taken after nearly 12 months treatment. Treatment ...
The aim of the present study was to determine any association between tooth transposition and bridging of the sella turcica, given the evidence of common embryonic origins associated with these structures and a genetic basis underlying these two conditions. Clinical records of subjects demonstrating dental transposition and normal controls were collected from several hospital orthodontic depart...
Along the development of imaging diagnosis technology, it has become increasingly important to perform morphological research using images. Our aim here was to study the sella turcica using tomographic imaging in different planes of section that would reveal its shape and morphometry, correlating such data with the cranium-cephalic index, age and sex of the skulls analyzed. For this study, one ...
Individual and average growth patterns of the facial dimensions Nasion-Gnathion and Sella-Gonion, as related to statural growth were studied. The sample consisted of 134 girls aged 7-14 years. Data were analysed using a multivariate extension of the multilevel model for longitudinal data. The results confirmed that the mean growth curves of Nasion-Gnathion, Sella-Gonion and body height parallel...
Sphenoid sinus osteoma at the sella turcica associated with empty sella: CT and MR imaging findings.
SUMMARY A 50-year-old woman presented with intermittent headache for the past few years. A paranasal sinus CT scan showed a diffusely calcified lesion at the roof of the sphenoid sinus and sella turcica, with the sellar floor bony cortex involved. Empty sella was noted. MR imaging revealed a soft-tissue lesion with low signal intensity on T1-weighted images, high signal intensity on T2-weighted...
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