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“OBJECTIVE: To evaluate the anatomic aspects of the diaphragma sellae and its potential role in directing the growth of a pituitary adenoma.
METHODS: Twenty cadaveric heads were dissected and measurements 8-Bromo-cAMP molecular weight were taken at the level of the diaphragma sellae.
RESULTS: The diaphragma sellae is composed of two layers of dura mater. There is a remarkable variation in the morphology of the diaphragm opening. The average anteroposterior distance of the opening was 7.26 mm (range, 3.4-10.7 mm) and the average lateral-to-lateral distance was 7.33
mm (range, 2.8-14.1 mm).
CONCLUSION: The variability in the diameter of the opening of the diaphragma sellae could explain the growth of pituitary tumors toward the cavernous sinus or toward the suprasellar region.”
“Purpose: We studied whether the measurement of skin perfusion pressure (SPP) is useful for evaluating ischemic limbs and predicting wound healing.
Methods: Two hundred eleven patients (age range, 45 to 90 years; mean age, 69.6 +/- 9.2 years; 170 men and 41 women), 403 limbs with arteriosclerosis obliterans, were included in this study. Half of the patients had diabetes or were receiving dialysis or both.
Results. Significant correlations were found between SPP and ankle blood pressure (ABP), SPP and toe blood pressure (TBP), and SPP and the transcutaneous oxygen pressure (tcPO(2)) (P <.0001,
r = 0.75; P <.0001, r = 0.85; P <.0001, r = 0.62; respectively). In 94 limbs with ulcer or PLX4032 ic50 Dichloromethane dehalogenase gangrene, wound healing was predicted by the SPP. The mean SPP (mean +/- SD) in the healed-wound
group (25 limbs, 48 +/- 20 mm Hg) was greater than that in the unhealed-wound group (69 limbs, 23 +/- 11 mm Hg) (P <.001). According to the receiver operating characteristic (ROC) curve, the cut-off value of SPP was 40 mm Hg (sensitivity, 72%; specificity, 88%). Furthermore, we studied whether the combination of SPP and another measurement could predict wound healing more accurately than could any single variable. There was a strong correlation between SPP, TBP, and the healing rate (P <.001, r = 0.69) and healing could be accurately predicted if the SPP was greater than 40 mm Hg and if the TBP was greater than 30 mm Hg.
Conclusions: Our results suggest that measurement of SPP is an objective method for assessing the severity of peripheral arterial disease or for predicting wound healing.”
“OBJECTIVE: Ventricular shunting is a Common neurosurgical procedure. Metal-containing shunt components can cause artifacts on magnetic resonance imaging (MRI), obscuring visualization of the surrounding tissue. We present the case of a radiation-induced meningioma growing around a ventricular catheter that was not noted at an early stage as a result of artifact from an overlying shunt.